Update README

Bumps [actions/cache](https://github.com/actions/cache) from 3 to 4.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](https://github.com/actions/cache/compare/v3...v4)

---
updated-dependencies:
- dependency-name: actions/cache
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.git-blame-ignore-revs

@@ -0,0 +1,2 @@
+# update scalafmt
+3d5ca44d66c77a46770a65a895c9737c542690f6

.github/CODEOWNERS

@@ -2,3 +2,4 @@
 
 build.sbt @xuwei-k
 project/* @xuwei-k
+.github/workflows/* @xuwei-k

.github/ISSUE_TEMPLATE.md

@@ -4,8 +4,12 @@
 - [ ] searched for similar already existing issue
 - [ ] read the documentation and [wiki](https://github.com/gitbucket/gitbucket/wiki)
 
+<!--
+
 *(if you have performed all the above, remove the paragraph and continue describing the issue with template below)*
 
+-->
+
 ## Issue
 **Impacted version**: xxxx
 

.github/workflows/build.yml

@@ -8,11 +8,11 @@ jobs:
     timeout-minutes: 30
     strategy:
       matrix:
-        java: [8, 11, 17]
+        java: [11, 21]
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Cache
-      uses: actions/cache@v2.1.6
+      uses: actions/cache@v4
       env:
         cache-name: cache-sbt-libs
       with:
@@ -22,18 +22,18 @@ jobs:
           ~/.cache/coursier/v1
         key: build-${{ env.cache-name }}-${{ hashFiles('build.sbt') }}
     - name: Set up JDK
-      uses: actions/setup-java@v2
+      uses: actions/setup-java@v4
       with:
         java-version: ${{ matrix.java }}
         distribution: adopt
     - name: Run tests
-      run: sbt scalafmtSbtCheck scalafmtCheck test:scalafmtCheck test
+      run: sbt scalafmtSbtCheck scalafmtCheckAll test
     - name: Scala 3
-      run: sbt '++ 3.0.1!' update # TODO
+      run: sbt '++ 3.x' update # TODO
     - name: Build executable
       run: sbt executable
     - name: Upload artifacts
-      uses: actions/upload-artifact@v2
+      uses: actions/upload-artifact@v4
       with:
         name: gitbucket-java${{ matrix.java }}-${{ github.sha }}
         path: ./target/executable/gitbucket.*

.gitignore

@@ -2,6 +2,9 @@
 *.log
 .ensime
 .ensime_cache
+.DS_Store
+.java-version
+.tmp
 
 # sbt specific
 dist/*

.scala-steward.conf

@@ -3,5 +3,6 @@ updates.limit = 3
 updates.includeScala = true
 
 updates.pin = [
-  { groupId = "org.eclipse.jetty", version = "9." }
+  { groupId = "org.eclipse.jetty", version = "10." }
+  { groupId = "org.mariadb.jdbc", version = "2." }
 ]

.scalafmt.conf

@@ -1,12 +1,24 @@
-version = "1.5.1"
+version = "3.8.1"
 project.git = true
 
 maxColumn = 120
-docstrings = JavaDoc
+docstrings.style = keep
 
 align.tokens = ["%", "%%", {code = "=>", owner = "Case"}]
 align.openParenCallSite = false
 align.openParenDefnSite = false
 continuationIndent.callSite = 2
 continuationIndent.defnSite = 2
-danglingParentheses = true
+danglingParentheses.preset = true
+runner.dialect = scala213source3
+rewrite.trailingCommas.style = keep
+fileOverride {
+  "glob:**/*.sbt" {
+    runner.dialect = scala212
+    rewrite.scala3.convertToNewSyntax = false
+  }
+}
+rewrite.scala3.convertToNewSyntax = true
+runner.dialectOverride.allowSignificantIndentation = false
+runner.dialectOverride.allowAsForImportRename = false
+runner.dialectOverride.allowStarWildcardImport = false

CHANGELOG.md

@@ -1,32 +1,97 @@
 # Changelog
 All changes to the project will be documented in this file.
 
-### 4.36.2 - 16 Aug 2021
+## 4.41.0 - 18 May 2024
+- Simplify pull request UI
+- Fix layout of branch selector
+- Integrate keyword search with filtering in the search box
+- Make max files and lines limit in showing diff configurable
+- Adjust the default branch automatically when cloning external repo
+- Performance improvement for listing branches
+- Upgrade internal libraries
+
+## 4.40.0 - 22 Oct 2023
+- Configurable default branch name
+- Support custom fields of issues and pull requests in search condition
+- Create pull request from default branch of forked repositories
+- News feed shows activities of all visible repositories
+- Drop Java 8 support
+- Improve git push performance
+
+## 4.39.0 - 29 Apr 2023
+- Support enum type in custom fields of Issues and Pull requests
+- Hide large diffs by default
+- Add new options to make it possible to run GitBucket using multiple machines
+- Fix many API issues
+
+## 4.38.4 - 2 Nov 2022
+- Downgrade MariaDB JDBC drive to avoid unknown error
+
+## 4.38.3 - 30 Oct 2022
+- Fix several issues around multiple assignees in issues and pull requests
+- Fix IllegalStateException when returning unknown avatar image
+
+## 4.38.2 - 20 Sep 2022
+- Resurrect assignee icons on the issue list
+
+## 4.38.1 - 10 Sep 2022
+- Fix comment diff in Chrome 105
+- Fix Markdown table CSS
+- Fix HTML rendering of multiple asignees
+
+## 4.38.0 - 3 Sep 2022
+- Support multiple assignees for Issues and Pull requests
+- Custom fields for issues and pull requests
+- Reset password by users
+- Allow to configure Jetty idle timeout in standalone mode
+- Horizontal scroll for too wide tables in Markdown
+- Hide header content on signin and register page
+- Fix the default charset of the online editor in the repository viewer
+- Fix the milestone count
+- Some improvements and bugfixes for WebAPI and WebHook
+
+## 4.37.2 - 16 Jan 2022
+- Fixed a security issue reported by [Positive Technologies](https://www.ptsecurity.com/ww-en/). Great thanks for their detailed report and close support!
+
+## 4.37.1 - 14 Dec 2021
+- Update gist-plugin and notification-plugin
+- Fix SSHCommand extension point for apache-sshd 2.x
+
+## 4.37.0 - 11 Dec 2021
+- Enhance Git Reference APIs
+- Add milestone data to issue list API
+- Support "all" in issue list API
+- Support EDDSA in signed commit verification
+- Support custom SSH url
+- Relax max passward length limitation
+- Relax max webhook url length limitation
+
+## 4.36.2 - 16 Aug 2021
 - Escape user name in avatar image tag
 
-### 4.36.1 - 22 Jul 2021
+## 4.36.1 - 22 Jul 2021
 - Bump gitbucket-gist-plugin to 4.21.0
 
-### 4.36.0 - 17 Jul 2021
+## 4.36.0 - 17 Jul 2021
 - Tag selector in the repository viewer
 - Link issues/pull requests of other repositories
 - Files and lines can be linked in the diff view
 - Option to disable XSS protection
 
-### 4.35.3 - 14 Jan 2021
+## 4.35.3 - 14 Jan 2021
 - Fix a bug that Wiki page cannot be deleted
 - Fix a deployment issue on Tomcat
 
-### 4.35.2 - 30 Dec 2020
+## 4.35.2 - 30 Dec 2020
 - Upgrade gitbucket-notifications-plugin to 1.10.0
 - Upgrade oauth2-oidc-sdk to 8.29.1 to solve dependency issue
 
-### 4.35.1 - 29 Dec 2020
+## 4.35.1 - 29 Dec 2020
 - Fix database migration issue which happens if webhook is configured
 - Call push webhook when pull request is merged
 - Show commit status at commits tab of pull request
 
-### 4.35.0 - 25 Dec 2020
+## 4.35.0 - 25 Dec 2020
 - Editor and source viewer color theme
 - Auto completion for issues and pull requests
 - Upload image from clipboard

README.md

@@ -1,4 +1,4 @@
-GitBucket [![Gitter chat](https://badges.gitter.im/gitbucket/gitbucket.svg)](https://gitter.im/gitbucket/gitbucket) [![build](https://github.com/gitbucket/gitbucket/workflows/build/badge.svg?branch=master)](https://github.com/gitbucket/gitbucket/actions?query=workflow%3Abuild+branch%3Amaster) [![Maven Central](https://maven-badges.herokuapp.com/maven-central/io.github.gitbucket/gitbucket_2.13/badge.svg)](https://maven-badges.herokuapp.com/maven-central/io.github.gitbucket/gitbucket_2.13) [![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://github.com/gitbucket/gitbucket/blob/master/LICENSE)
+GitBucket [![Gitter chat](https://badges.gitter.im/gitbucket/gitbucket.svg)](https://gitter.im/gitbucket/gitbucket) [![build](https://github.com/gitbucket/gitbucket/workflows/build/badge.svg?branch=master)](https://github.com/gitbucket/gitbucket/actions?query=workflow%3Abuild+branch%3Amaster) [![gitbucket Scala version support](https://index.scala-lang.org/gitbucket/gitbucket/gitbucket/latest-by-scala-version.svg)](https://index.scala-lang.org/gitbucket/gitbucket/gitbucket) [![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://github.com/gitbucket/gitbucket/blob/master/LICENSE)
 =========
 
 GitBucket is a Git web platform powered by Scala offering:
@@ -10,8 +10,6 @@ GitBucket is a Git web platform powered by Scala offering:
 
 ![GitBucket](https://gitbucket.github.io/img/screenshots/screenshot-repository_viewer.png)
 
-You can try an [online demo](https://gitbucket.herokuapp.com/) *(ID: root / Pass: root)* of GitBucket, and also get the latest information at [GitBucket News](https://gitbucket.github.io/gitbucket-news/).
-
 Features
 --------
 The current version of GitBucket provides many features such as:
@@ -26,12 +24,12 @@ The current version of GitBucket provides many features such as:
 
 Installation
 --------
-GitBucket requires **Java8**. You have to install it, if it is not already installed.
+GitBucket requires **Java 11**. You have to install it, if it is not already installed.
 
 1. Download the latest **gitbucket.war** from [the releases page](https://github.com/gitbucket/gitbucket/releases) and run it by `java -jar gitbucket.war`.
 2. Go to `http://[hostname]:8080/` and log in with ID: **root** / Pass: **root**.
 
-You can also deploy `gitbucket.war` to a servlet container which supports Servlet 3.0 (like Jetty, Tomcat, JBoss, etc)
+You can also deploy `gitbucket.war` to a servlet container which supports Servlet 3.0 (like Jetty, Tomcat, JBoss, etc). Note that GitBucket doesn't support Jakarta EE yet.
 
 For more information about installation on Mac or Windows Server (with IIS), or configuration of Apache or Nginx and also integration with other tools or services such as Jenkins or Slack, see [Wiki](https://github.com/gitbucket/gitbucket/wiki).
 
@@ -61,18 +59,15 @@ Support
 - If you can't find same question and report, send it to our [Gitter room](https://gitter.im/gitbucket/gitbucket) before raising an issue.
 - The highest priority of GitBucket is the ease of installation and API compatibility with GitHub, so your feature request might be rejected if they go against those principles.
 
-What's New in 4.36.x
+What's New in 4.41.x
 -------------
-### 4.36.2 - 16 Aug 2021
+## 4.41.0 - 18 May 2024
-- Escape user name in avatar image tag
+- Simplify pull request UI
-
+- Fix layout of branch selector
-### 4.36.1 - 22 Jul 2021
+- Integrate keyword search with filtering in the search box
-- Bump gitbucket-gist-plugin to 4.21.0
+- Make max files and lines limit in showing diff configurable
-
+- Adjust the default branch automatically when cloning external repo
-### 4.36.0 - 17 Jul 2021
+- Performance improvement for listing branches
-- Tag selector in the repository viewer
+- Upgrade internal libraries
-- Link issues/pull requests of other repositories
-- Files and lines can be linked in the diff view
-- Option to disable XSS protection
 
 See the [change log](CHANGELOG.md) for all of the updates.

build.sbt

@@ -1,12 +1,12 @@
-import com.typesafe.sbt.license.{DepModuleInfo, LicenseInfo}
+import sbtlicensereport.license.{DepModuleInfo, LicenseInfo}
 import com.jsuereth.sbtpgp.PgpKeys._
 
 val Organization = "io.github.gitbucket"
 val Name = "gitbucket"
-val GitBucketVersion = "4.36.2"
+val GitBucketVersion = "4.41.0"
-val ScalatraVersion = "2.8.2"
+val ScalatraVersion = "3.0.0"
-val JettyVersion = "9.4.44.v20210927"
+val JettyVersion = "10.0.21"
-val JgitVersion = "5.13.0.202109080827-r"
+val JgitVersion = "6.9.0.202403050737-r"
 
 lazy val root = (project in file("."))
   .enablePlugins(SbtTwirl, ScalatraPlugin)
@@ -15,72 +15,58 @@ sourcesInBase := false
 organization := Organization
 name := Name
 version := GitBucketVersion
-scalaVersion := "2.13.7"
+scalaVersion := "2.13.14"
 
-scalafmtOnCompile := true
+crossScalaVersions += "3.4.2"
+
+// scalafmtOnCompile := true
 
 coverageExcludedPackages := ".*\\.html\\..*"
 
-// dependency settings
-resolvers ++= Seq(
-  Classpaths.typesafeReleases,
-  Resolver.jcenterRepo,
-  "sonatype-snapshot" at "https://oss.sonatype.org/content/repositories/snapshots/"
-)
-
 libraryDependencies ++= Seq(
   "org.eclipse.jgit"          % "org.eclipse.jgit.http.server" % JgitVersion,
   "org.eclipse.jgit"          % "org.eclipse.jgit.archive"     % JgitVersion,
-  "org.scalatra"                    %% "scalatra"                    % ScalatraVersion cross CrossVersion.for3Use2_13,
+  "org.scalatra"             %% "scalatra-javax"               % ScalatraVersion,
-  "org.scalatra"                    %% "scalatra-json"               % ScalatraVersion cross CrossVersion.for3Use2_13,
+  "org.scalatra"             %% "scalatra-json-javax"          % ScalatraVersion,
-  "org.scalatra"                    %% "scalatra-forms"              % ScalatraVersion cross CrossVersion.for3Use2_13,
+  "org.scalatra"             %% "scalatra-forms-javax"         % ScalatraVersion,
-  "org.json4s"                      %% "json4s-jackson"              % "4.0.3" cross CrossVersion.for3Use2_13,
+  "org.json4s"               %% "json4s-jackson"               % "4.1.0-M5",
-  "commons-io"                      % "commons-io"                   % "2.11.0",
+  "commons-io"                % "commons-io"                   % "2.16.1",
-  "io.github.gitbucket"             % "solidbase"                    % "1.0.3",
+  "io.github.gitbucket"       % "solidbase"                    % "1.1.0",
-  "io.github.gitbucket"             % "markedj"                      % "1.0.16",
+  "io.github.gitbucket"       % "markedj"                      % "1.0.20",
-  "org.apache.commons"              % "commons-compress"             % "1.21",
+  "org.apache.commons"        % "commons-compress"             % "1.26.1",
-  "org.apache.commons"              % "commons-email"                % "1.5",
+  "org.apache.commons"        % "commons-email"                % "1.6.0",
-  "commons-net"                     % "commons-net"                  % "3.8.0",
+  "commons-net"               % "commons-net"                  % "3.10.0",
-  "org.apache.httpcomponents"       % "httpclient"                   % "4.5.13",
+  "org.apache.httpcomponents" % "httpclient"                   % "4.5.14",
-  "org.apache.sshd"                 % "apache-sshd"                  % "2.1.0" exclude ("org.slf4j", "slf4j-jdk14") exclude ("org.apache.sshd", "sshd-mina") exclude ("org.apache.sshd", "sshd-netty"),
+  "org.apache.sshd" % "apache-sshd" % "2.12.1" exclude ("org.slf4j", "slf4j-jdk14") exclude ("org.apache.sshd", "sshd-mina") exclude ("org.apache.sshd", "sshd-netty"),
-  "org.apache.tika"                 % "tika-core"                    % "2.1.0",
+  "org.apache.tika"                 % "tika-core"                % "2.9.2",
-  "com.github.takezoe"              %% "blocking-slick-32"           % "0.0.12" cross CrossVersion.for3Use2_13,
+  "com.github.takezoe"             %% "blocking-slick"           % "0.0.14",
   "com.novell.ldap"                 % "jldap"                    % "2009-10-07",
   "com.h2database"                  % "h2"                       % "1.4.199",
-  "org.mariadb.jdbc"                % "mariadb-java-client"          % "2.7.4",
+  "org.mariadb.jdbc"                % "mariadb-java-client"      % "2.7.12",
-  "org.postgresql"                  % "postgresql"                   % "42.3.1",
+  "org.postgresql"                  % "postgresql"               % "42.7.3",
-  "ch.qos.logback"                  % "logback-classic"              % "1.2.6",
+  "ch.qos.logback"                  % "logback-classic"          % "1.5.6",
-  "com.zaxxer"                      % "HikariCP"                     % "4.0.3" exclude ("org.slf4j", "slf4j-api"),
+  "com.zaxxer"                      % "HikariCP"                 % "5.1.0" exclude ("org.slf4j", "slf4j-api"),
-  "com.typesafe"                    % "config"                       % "1.4.1",
+  "com.typesafe"                    % "config"                   % "1.4.3",
   "fr.brouillard.oss.security.xhub" % "xhub4j-core"              % "1.1.0",
-  "io.github.java-diff-utils"       % "java-diff-utils"              % "4.11",
+  "io.github.java-diff-utils"       % "java-diff-utils"          % "4.12",
   "org.cache2k"                     % "cache2k-all"              % "1.6.0.Final",
-  "net.coobird"                     % "thumbnailator"                % "0.4.14",
+  "net.coobird"                     % "thumbnailator"            % "0.4.20",
-  "com.github.zafarkhaja"           % "java-semver"                  % "0.9.0",
+  "com.github.zafarkhaja"           % "java-semver"              % "0.10.2",
-  "com.nimbusds"                    % "oauth2-oidc-sdk"              % "9.19",
+  "com.nimbusds"                    % "oauth2-oidc-sdk"          % "11.12",
   "org.eclipse.jetty"               % "jetty-webapp"             % JettyVersion    % "provided",
   "javax.servlet"                   % "javax.servlet-api"        % "3.1.0"         % "provided",
   "junit"                           % "junit"                    % "4.13.2"        % "test",
-  "org.scalatra"                    %% "scalatra-scalatest"          % ScalatraVersion % "test" cross CrossVersion.for3Use2_13,
+  "org.scalatra"                   %% "scalatra-scalatest-javax" % ScalatraVersion % "test",
-  "org.mockito"                     % "mockito-core"                 % "4.0.0" % "test",
+  "org.mockito"                     % "mockito-core"             % "5.12.0"        % "test",
-  "com.dimafeng"                    %% "testcontainers-scala"        % "0.39.11" % "test",
+  "com.dimafeng"                   %% "testcontainers-scala"     % "0.41.3"        % "test",
-  "org.testcontainers"              % "mysql"                        % "1.16.2" % "test",
+  "org.testcontainers"              % "mysql"                    % "1.19.8"        % "test",
-  "org.testcontainers"              % "postgresql"                   % "1.16.2" % "test",
+  "org.testcontainers"              % "postgresql"               % "1.19.8"        % "test",
   "net.i2p.crypto"                  % "eddsa"                    % "0.3.0",
   "is.tagomor.woothee"              % "woothee-java"             % "1.11.0",
   "org.ec4j.core"                   % "ec4j-core"                % "0.3.0",
-  "org.kohsuke"                     % "github-api"                   % "1.135" % "test"
+  "org.kohsuke"                     % "github-api"               % "1.321"         % "test"
 )
 
-libraryDependencies ~= {
-  _.map {
-    case x if x.name == "twirl-api" =>
-      x cross CrossVersion.for3Use2_13
-    case x =>
-      x
-  }
-}
-
 // Compiler settings
 scalacOptions := Seq(
   "-deprecation",
@@ -90,7 +76,15 @@ scalacOptions := Seq(
   "-Wunused:imports",
   "-Wconf:cat=unused&src=twirl/.*:s,cat=unused&src=scala/gitbucket/core/model/[^/]+\\.scala:s"
 )
-compile / javacOptions ++= Seq("-target", "8", "-source", "8")
+scalacOptions ++= {
+  scalaBinaryVersion.value match {
+    case "2.13" =>
+      Seq("-Xsource:3")
+    case _ =>
+      Nil
+  }
+}
+compile / javacOptions ++= Seq("-target", "11", "-source", "11")
 Jetty / javaOptions += "-Dlogback.configurationFile=/logback-dev.xml"
 
 // Test settings
@@ -115,8 +109,8 @@ assembly / assemblyMergeStrategy := {
 
 // Exclude a war file from published artifacts
 signedArtifacts := {
-  signedArtifacts.value.filterNot {
+  signedArtifacts.value.filterNot { case (_, file) =>
-    case (_, file) => file.getName.endsWith(".war") || file.getName.endsWith(".war.asc")
+    file.getName.endsWith(".war") || file.getName.endsWith(".war.asc")
   }
 }
 
@@ -126,7 +120,6 @@ Keys.ivyConfigurations += ExecutableConfig
 libraryDependencies ++= Seq(
   "org.eclipse.jetty" % "jetty-security" % JettyVersion % "executable",
   "org.eclipse.jetty" % "jetty-webapp"   % JettyVersion % "executable",
-  "org.eclipse.jetty" % "jetty-continuation" % JettyVersion % "executable",
   "org.eclipse.jetty" % "jetty-server"   % JettyVersion % "executable",
   "org.eclipse.jetty" % "jetty-xml"      % JettyVersion % "executable",
   "org.eclipse.jetty" % "jetty-http"     % JettyVersion % "executable",
@@ -160,8 +153,7 @@ executableKey := {
   val jettyJars = Keys.update.value select configurationFilter(name = ExecutableConfig.name)
   jettyJars foreach { jar =>
     IO unzip (jar, temp, (name: String) =>
-      (name startsWith "javax/") ||
+      (name startsWith "javax/") || (name startsWith "org/") || (name startsWith "META-INF/services/"))
-        (name startsWith "org/"))
   }
 
   // include original war file
@@ -186,7 +178,7 @@ executableKey := {
         val url = "https://github.com/" +
           s"gitbucket/gitbucket-${pluginId}-plugin/releases/download/${pluginVersion}/gitbucket-${pluginId}-plugin-${pluginVersion}.jar"
         log info s"Download: ${url}"
-        IO transfer (new java.net.URL(url).openStream, pluginsDir / url.substring(url.lastIndexOf("/") + 1))
+        IO transfer (new java.net.URI(url).toURL.openStream, pluginsDir / url.substring(url.lastIndexOf("/") + 1))
       case _ => ()
     }
   }
@@ -207,8 +199,7 @@ executableKey := {
     "md5" -> "MD5",
     "sha1" -> "SHA-1",
     "sha256" -> "SHA-256"
-  ).foreach {
+  ).foreach { case (extension, algorithm) =>
-    case (extension, algorithm) =>
     val checksumFile = workDir / (warName + "." + extension)
     Checksums generate (outputFile, checksumFile, algorithm)
   }
@@ -287,6 +278,9 @@ Test / testOptions ++= {
 }
 
 Jetty / javaOptions ++= Seq(
+  "-Dlogback.configurationFile=/logback-dev.xml",
   "-Xdebug",
-  "-Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=8000"
+  "-Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=8000",
+  "-Dorg.eclipse.jetty.annotations.AnnotationParser.LEVEL=OFF",
+  // "-Ddev-features=keep-session"
 )

doc/build.md

@@ -1,7 +1,7 @@
 How to build and run from the source tree
 ========
 
-First of all, Install [sbt](http://www.scala-sbt.org/index.html).
+First of all, Install [sbt](https://www.scala-sbt.org/index.html).
 
 ```shell
 $ brew install sbt
@@ -18,7 +18,21 @@ $ sbt ~jetty:start
 
 Then access `http://localhost:8080/` in your browser. The default administrator account is `root` and password is `root`.
 
-Source code modifications are detected and a reloading happens automatically. You can modify the logging configuration by editing `src/main/resources/logback-dev.xml`.
+Source code modifications are detected and a reloading happens automatically.
+You can modify the logging configuration by editing `src/main/resources/logback-dev.xml`.
+
+Note that HttpSession is cleared when auto-reloading happened.
+This is a bit annoying when developing features that requires sign-in.
+You can keep HttpSession even if GitBucket is restarted by enabling this configuration in `build.sbt`:
+https://github.com/gitbucket/gitbucket/blob/d5c083b70f7f3748d080166252e9a3dcaf579648/build.sbt#L292
+
+Or by launching GitBucket with the following command:
+```shell
+sbt '; set Jetty/javaOptions += "-Ddev-features=keep-session" ; ~jetty:start'
+```
+
+Note that this feature serializes HttpSession on the local disk and assigns all requests to the same session
+which means you cannot test multi users behavior in this mode.
 
 Build war file
 --------
@@ -37,7 +51,8 @@ To build an executable war file, run
 $ sbt executable
 ```
 
-at the top of the source tree. It generates executable `gitbucket.war` into `target/executable`. We release this war file as release artifact.
+at the top of the source tree. It generates executable `gitbucket.war` into `target/executable`.
+We release this war file as release artifact.
 
 Run tests spec
 ---------

doc/debug.md

@@ -1,6 +1,6 @@
 Debug GitBucket on IntelliJ
 ========
-Add following configuration for allowing remote debugging to `buils.sbt`:
+Add following configuration for allowing remote debugging to `build.sbt`:
 
 ```scala
 javaOptions in Jetty ++= Seq(

doc/directory.md

@@ -5,13 +5,17 @@ GitBucket persists all data into __HOME/.gitbucket__ in default (In 1.9 or befor
 This directory has following structure:
 
 ```
-* /HOME/gitbucket
+* /HOME/.gitbucket
+  * gitbucket.conf
+  * database.conf
+  * activity.log
+  * data.mv.db, data.trace.db (H2 data files if the default embed H2 is used)
   * /repositories 
     * /USER_NAME
       * /REPO_NAME.git (substance of repository. GitServlet sees this directory)
       * /REPO_NAME.wiki.git (wiki repository)
       * /REPO_NAME
-        * /issues (files which are attached to issue)
+        * /issues (files attached to issue)
         * /lfs (LFS managed files)
   * /data
     * /USER_NAME
@@ -20,6 +24,8 @@ This directory has following structure:
   * /plugins
     * plugin.jar
     * /.installed (copied available plugins from the parent directory automatically)
+  * /sessions
+    * HTTP session data created (if '--save_sessions' option is used in the standalone mode)
   * /tmp
     * /_upload
       * /SESSION_ID (removed at session timeout)

doc/validation.md

@@ -1,6 +1,6 @@
 Mapping and Validation
 ========
-GitBucket uses [scalatra-forms](http://scalatra.org/guides/2.6/formats/forms.html) to validate request parameters and map them to the scala object. This is inspired by Play2 form mapping / validation.
+GitBucket uses [scalatra-forms](https://scalatra.org/guides/2.8/formats/forms.html) to validate request parameters and map them to the scala object. This is inspired by Play2 form mapping / validation.
 
 At first, define the mapping as following:
 

project/build.properties

@@ -1 +1 @@
-sbt.version=1.5.5
+sbt.version=1.10.0

project/plugins.sbt

@@ -1,11 +1,11 @@
 scalacOptions ++= Seq("-unchecked", "-deprecation", "-feature")
 
-addSbtPlugin("org.scalameta"    % "sbt-scalafmt"       % "2.4.3")
+addSbtPlugin("org.scalameta"           % "sbt-scalafmt"       % "2.5.2")
-addSbtPlugin("com.typesafe.sbt" % "sbt-twirl"          % "1.5.1")
+addSbtPlugin("org.playframework.twirl" % "sbt-twirl"          % "2.0.5")
-addSbtPlugin("com.eed3si9n"     % "sbt-assembly"       % "1.1.0")
+addSbtPlugin("com.eed3si9n"            % "sbt-assembly"       % "2.2.0")
 addSbtPlugin("org.scalatra.sbt"        % "sbt-scalatra"       % "1.0.4")
-addSbtPlugin("com.github.sbt"   % "sbt-pgp"            % "2.1.2")
+addSbtPlugin("com.github.sbt"          % "sbt-pgp"            % "2.2.1")
-addSbtPlugin("com.typesafe.sbt" % "sbt-license-report" % "1.2.0")
+addSbtPlugin("com.github.sbt"          % "sbt-license-report" % "1.6.1")
-addSbtPlugin("org.scoverage"    % "sbt-scoverage"      % "1.9.2")
+addSbtPlugin("org.scoverage"           % "sbt-scoverage"      % "2.0.12")
 
 addDependencyTreePlugin

src/main/java/JettyLauncher.java

@@ -61,12 +61,19 @@ public class JettyLauncher {
         String redirectHttps = getEnvironmentVariable("gitbucket.redirectHttps");
         String contextPath = getEnvironmentVariable("gitbucket.prefix");
         String tmpDirPath = getEnvironmentVariable("gitbucket.tempDir");
+        String jettyIdleTimeout = getEnvironmentVariable("gitbucket.jettyIdleTimeout");
         boolean saveSessions = false;
 
         for(String arg: args) {
             if (arg.equals("--save_sessions")) {
                 saveSessions = true;
             }
+            if (arg.equals("--disable_news_feed")) {
+                System.setProperty("gitbucket.disableNewsFeed", "true");
+            }
+            if (arg.equals("--disable_cache")) {
+                System.setProperty("gitbucket.disableCache", "true");
+            }
             if(arg.startsWith("--") && arg.contains("=")) {
                 String[] dim = arg.split("=", 2);
                 if(dim.length == 2) {
@@ -107,6 +114,9 @@ public class JettyLauncher {
                         case "--plugin_dir":
                             System.setProperty("gitbucket.pluginDir", dim[1]);
                             break;
+                        case "--jetty_idle_timeout":
+                            jettyIdleTimeout = dim[1];
+                            break;
                     }
                 }
             }
@@ -130,6 +140,11 @@ public class JettyLauncher {
         if (connectorsSet.contains(Connectors.HTTPS)) {
             httpConfig.setSecurePort(fallback(securePort, Defaults.HTTPS_PORT, Integer::parseInt));
         }
+        if (jettyIdleTimeout != null && jettyIdleTimeout.trim().length() != 0) {
+            httpConfig.setIdleTimeout(Long.parseLong(jettyIdleTimeout.trim()));
+        } else {
+            httpConfig.setIdleTimeout(300000L); // default is 5min
+        }
 
         if (connectorsSet.contains(Connectors.HTTP)) {
             final ServerConnector connector = new ServerConnector(server, new HttpConnectionFactory(httpConfig));
@@ -140,7 +155,7 @@ public class JettyLauncher {
         }
 
         if (connectorsSet.contains(Connectors.HTTPS)) {
-            final SslContextFactory sslContextFactory = new SslContextFactory.Server();
+            final SslContextFactory.Server sslContextFactory = new SslContextFactory.Server();
 
             sslContextFactory.setKeyStorePath(requireNonNull(keyStorePath,
                 "You must specify a path to an SSL keystore via the --key_store_path command line argument" +

src/main/resources/bundle-plugins.txt

@@ -1,4 +1,4 @@
-notifications:1.10.0
+notifications:1.11.0
-gist:4.21.0
+gist:4.23.0
 emoji:4.6.0
 pages:1.10.0

src/main/resources/logback-dev.xml

@@ -7,7 +7,7 @@
   </appender>
 
   <appender name="FILE" class="ch.qos.logback.core.FileAppender">
-    <file>gitbucket.log</file>
+    <file>.tmp/gitbucket.log</file>
     <encoder>
       <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
     </encoder>

src/main/resources/update/gitbucket-core_4.0.sql

@@ -1,18 +0,0 @@
-CREATE OR REPLACE VIEW ISSUE_OUTLINE_VIEW AS
- SELECT
-   A.USER_NAME,
-   A.REPOSITORY_NAME,
-   A.ISSUE_ID,
-   COALESCE(B.COMMENT_COUNT, 0) + COALESCE(C.COMMENT_COUNT, 0) AS COMMENT_COUNT
- FROM ISSUE A
- LEFT OUTER JOIN (
-   SELECT USER_NAME, REPOSITORY_NAME, ISSUE_ID, COUNT(COMMENT_ID) AS COMMENT_COUNT FROM ISSUE_COMMENT
-   WHERE ACTION IN ('comment', 'close_comment', 'reopen_comment')
-   GROUP BY USER_NAME, REPOSITORY_NAME, ISSUE_ID
- ) B
- ON (A.USER_NAME = B.USER_NAME AND A.REPOSITORY_NAME = B.REPOSITORY_NAME AND A.ISSUE_ID = B.ISSUE_ID)
- LEFT OUTER JOIN (
-   SELECT USER_NAME, REPOSITORY_NAME, ISSUE_ID, COUNT(COMMENT_ID) AS COMMENT_COUNT FROM COMMIT_COMMENT
-   GROUP BY USER_NAME, REPOSITORY_NAME, ISSUE_ID
- ) C
- ON (A.USER_NAME = C.USER_NAME AND A.REPOSITORY_NAME = C.REPOSITORY_NAME AND A.ISSUE_ID = C.ISSUE_ID);

src/main/resources/update/gitbucket-core_4.0.xml

@@ -343,4 +343,28 @@
   <addPrimaryKey constraintName="IDX_PROTECTED_BRANCH_REQUIRE_CONTEXT_PK" tableName="PROTECTED_BRANCH_REQUIRE_CONTEXT" columnNames="USER_NAME, REPOSITORY_NAME, BRANCH, CONTEXT"/>
   <addForeignKeyConstraint constraintName="IDX_PROTECTED_BRANCH_REQUIRE_CONTEXT_FK0" baseTableName="PROTECTED_BRANCH_REQUIRE_CONTEXT" baseColumnNames="USER_NAME, REPOSITORY_NAME, BRANCH" referencedTableName="PROTECTED_BRANCH" referencedColumnNames="USER_NAME, REPOSITORY_NAME, BRANCH" onDelete="CASCADE" onUpdate="CASCADE"/>
 
+  <!--================================================================================================-->
+  <!-- ISSUE_OUTLINE_VIEW -->
+  <!--================================================================================================-->
+  <sql>
+    CREATE OR REPLACE VIEW ISSUE_OUTLINE_VIEW AS
+      SELECT
+        A.USER_NAME,
+        A.REPOSITORY_NAME,
+        A.ISSUE_ID,
+        COALESCE(B.COMMENT_COUNT, 0) + COALESCE(C.COMMENT_COUNT, 0) AS COMMENT_COUNT
+      FROM ISSUE A
+      LEFT OUTER JOIN (
+        SELECT USER_NAME, REPOSITORY_NAME, ISSUE_ID, COUNT(COMMENT_ID) AS COMMENT_COUNT FROM ISSUE_COMMENT
+        WHERE ACTION IN ('comment', 'close_comment', 'reopen_comment')
+        GROUP BY USER_NAME, REPOSITORY_NAME, ISSUE_ID
+      ) B
+      ON (A.USER_NAME = B.USER_NAME AND A.REPOSITORY_NAME = B.REPOSITORY_NAME AND A.ISSUE_ID = B.ISSUE_ID)
+      LEFT OUTER JOIN (
+        SELECT USER_NAME, REPOSITORY_NAME, ISSUE_ID, COUNT(COMMENT_ID) AS COMMENT_COUNT FROM COMMIT_COMMENT
+        GROUP BY USER_NAME, REPOSITORY_NAME, ISSUE_ID
+      ) C
+      ON (A.USER_NAME = C.USER_NAME AND A.REPOSITORY_NAME = C.REPOSITORY_NAME AND A.ISSUE_ID = C.ISSUE_ID)
+  </sql>
+
 </changeSet>

src/main/resources/update/gitbucket-core_4.14.sql

@@ -1,26 +0,0 @@
-CREATE OR REPLACE VIEW ISSUE_OUTLINE_VIEW AS
-
- SELECT
-   A.USER_NAME,
-   A.REPOSITORY_NAME,
-   A.ISSUE_ID,
-   COALESCE(B.COMMENT_COUNT, 0) + COALESCE(C.COMMENT_COUNT, 0) AS COMMENT_COUNT,
-   COALESCE(D.ORDERING, 9999) AS PRIORITY
-
- FROM ISSUE A
-
- LEFT OUTER JOIN (
-   SELECT USER_NAME, REPOSITORY_NAME, ISSUE_ID, COUNT(COMMENT_ID) AS COMMENT_COUNT FROM ISSUE_COMMENT
-   WHERE ACTION IN ('comment', 'close_comment', 'reopen_comment')
-   GROUP BY USER_NAME, REPOSITORY_NAME, ISSUE_ID
- ) B
- ON (A.USER_NAME = B.USER_NAME AND A.REPOSITORY_NAME = B.REPOSITORY_NAME AND A.ISSUE_ID = B.ISSUE_ID)
-
- LEFT OUTER JOIN (
-   SELECT USER_NAME, REPOSITORY_NAME, ISSUE_ID, COUNT(COMMENT_ID) AS COMMENT_COUNT FROM COMMIT_COMMENT
-   GROUP BY USER_NAME, REPOSITORY_NAME, ISSUE_ID
- ) C
- ON (A.USER_NAME = C.USER_NAME AND A.REPOSITORY_NAME = C.REPOSITORY_NAME AND A.ISSUE_ID = C.ISSUE_ID)
-
- LEFT OUTER JOIN PRIORITY D
- ON (A.PRIORITY_ID = D.PRIORITY_ID);

src/main/resources/update/gitbucket-core_4.14.xml

@@ -35,4 +35,28 @@
     <column name="URL" type="varchar(200)" nullable="false"/>
     <column name="EVENT" type="varchar(30)" nullable="false"/>
   </createTable>
+
+  <sql>
+    CREATE OR REPLACE VIEW ISSUE_OUTLINE_VIEW AS
+      SELECT
+        A.USER_NAME,
+        A.REPOSITORY_NAME,
+        A.ISSUE_ID,
+        COALESCE(B.COMMENT_COUNT, 0) + COALESCE(C.COMMENT_COUNT, 0) AS COMMENT_COUNT,
+        COALESCE(D.ORDERING, 9999) AS PRIORITY
+      FROM ISSUE A
+      LEFT OUTER JOIN (
+        SELECT USER_NAME, REPOSITORY_NAME, ISSUE_ID, COUNT(COMMENT_ID) AS COMMENT_COUNT FROM ISSUE_COMMENT
+        WHERE ACTION IN ('comment', 'close_comment', 'reopen_comment')
+        GROUP BY USER_NAME, REPOSITORY_NAME, ISSUE_ID
+      ) B
+      ON (A.USER_NAME = B.USER_NAME AND A.REPOSITORY_NAME = B.REPOSITORY_NAME AND A.ISSUE_ID = B.ISSUE_ID)
+      LEFT OUTER JOIN (
+        SELECT USER_NAME, REPOSITORY_NAME, ISSUE_ID, COUNT(COMMENT_ID) AS COMMENT_COUNT FROM COMMIT_COMMENT
+        GROUP BY USER_NAME, REPOSITORY_NAME, ISSUE_ID
+      ) C
+      ON (A.USER_NAME = C.USER_NAME AND A.REPOSITORY_NAME = C.REPOSITORY_NAME AND A.ISSUE_ID = C.ISSUE_ID)
+      LEFT OUTER JOIN PRIORITY D
+      ON (A.PRIORITY_ID = D.PRIORITY_ID);
+  </sql>
 </changeSet>

src/main/resources/update/gitbucket-core_4.37.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<changeSet>
+  <dropForeignKeyConstraint constraintName="IDX_WEB_HOOK_EVENT_FK0" baseTableName="WEB_HOOK_EVENT"/>
+  <modifyDataType columnName="URL" newDataType="varchar(400)" tableName="WEB_HOOK_EVENT"/>
+  <modifyDataType columnName="URL" newDataType="varchar(400)" tableName="WEB_HOOK"/>
+  <addForeignKeyConstraint constraintName="IDX_WEB_HOOK_EVENT_FK0" baseTableName="WEB_HOOK_EVENT" baseColumnNames="USER_NAME, REPOSITORY_NAME, URL" referencedTableName="WEB_HOOK" referencedColumnNames="USER_NAME, REPOSITORY_NAME, URL" onDelete="CASCADE" onUpdate="CASCADE"/>
+</changeSet>

src/main/resources/update/gitbucket-core_4.38.xml

@@ -0,0 +1,53 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<changeSet>
+  <!--================================================================================================-->
+  <!-- CUSTOM_FIELD -->
+  <!--================================================================================================-->
+  <createTable tableName="CUSTOM_FIELD">
+    <column name="USER_NAME" type="varchar(100)" nullable="false"/>
+    <column name="REPOSITORY_NAME" type="varchar(100)" nullable="false"/>
+    <column name="FIELD_ID" type="int" nullable="false" autoIncrement="true" unique="true"/>
+    <column name="FIELD_NAME" type="varchar(100)" nullable="false"/>
+    <column name="FIELD_TYPE" type="varchar(100)" nullable="false"/>
+    <column name="ENABLE_FOR_ISSUES" type="boolean" nullable="false"/>
+    <column name="ENABLE_FOR_PULL_REQUESTS" type="boolean" nullable="false"/>
+  </createTable>
+  <addPrimaryKey constraintName="IDX_CUSTOM_FIELD_PK" tableName="CUSTOM_FIELD" columnNames="USER_NAME, REPOSITORY_NAME, FIELD_ID"/>
+  <addForeignKeyConstraint constraintName="IDX_CUSTOM_FIELD_FK0" baseTableName="CUSTOM_FIELD" baseColumnNames="USER_NAME, REPOSITORY_NAME" referencedTableName="REPOSITORY" referencedColumnNames="USER_NAME, REPOSITORY_NAME"/>
+
+  <!--================================================================================================-->
+  <!-- ISSUE_CUSTOM_FIELD -->
+  <!--================================================================================================-->
+  <createTable tableName="ISSUE_CUSTOM_FIELD">
+    <column name="USER_NAME" type="varchar(100)" nullable="false"/>
+    <column name="REPOSITORY_NAME" type="varchar(100)" nullable="false"/>
+    <column name="ISSUE_ID" type="int" nullable="false"/>
+    <column name="FIELD_ID" type="int" nullable="false"/>
+    <column name="VALUE" type="varchar(200)" nullable="true"/>
+  </createTable>
+  <addPrimaryKey constraintName="IDX_ISSUE_CUSTOM_FIELD_PK" tableName="ISSUE_CUSTOM_FIELD" columnNames="USER_NAME, REPOSITORY_NAME, ISSUE_ID, FIELD_ID"/>
+  <addForeignKeyConstraint constraintName="IDX_ISSUE_CUSTOM_FIELD_FK0" baseTableName="ISSUE_CUSTOM_FIELD" baseColumnNames="USER_NAME, REPOSITORY_NAME, ISSUE_ID" referencedTableName="ISSUE" referencedColumnNames="USER_NAME, REPOSITORY_NAME, ISSUE_ID"/>
+  <addForeignKeyConstraint constraintName="IDX_ISSUE_CUSTOM_FIELD_FK1" baseTableName="ISSUE_CUSTOM_FIELD" baseColumnNames="USER_NAME, REPOSITORY_NAME, FIELD_ID" referencedTableName="CUSTOM_FIELD" referencedColumnNames="USER_NAME, REPOSITORY_NAME, FIELD_ID"/>
+
+  <!--================================================================================================-->
+  <!-- ISSUE_ASSIGNEE -->
+  <!--================================================================================================-->
+  <createTable tableName="ISSUE_ASSIGNEE">
+    <column name="USER_NAME" type="varchar(100)" nullable="false"/>
+    <column name="REPOSITORY_NAME" type="varchar(100)" nullable="false"/>
+    <column name="ISSUE_ID" type="int" nullable="false"/>
+    <column name="ASSIGNEE_USER_NAME" type="varchar(100)" nullable="false"/>
+  </createTable>
+  <addPrimaryKey constraintName="IDX_ISSUE_ASSIGNEE_PK" tableName="ISSUE_ASSIGNEE" columnNames="USER_NAME, REPOSITORY_NAME, ISSUE_ID, ASSIGNEE_USER_NAME"/>
+  <addForeignKeyConstraint constraintName="IDX_ISSUE_ASSIGNEE_FK0" baseTableName="ISSUE_ASSIGNEE" baseColumnNames="USER_NAME, REPOSITORY_NAME, ISSUE_ID" referencedTableName="ISSUE" referencedColumnNames="USER_NAME, REPOSITORY_NAME, ISSUE_ID"/>
+  <!--
+  <addForeignKeyConstraint constraintName="IDX_ISSUE_ASSIGNEE_FK1" baseTableName="ISSUE_ASSIGNEE" baseColumnNames="ASSIGNEE_USER_NAME" referencedTableName="ACCOUNT" referencedColumnNames="USER_NAME"/>
+  -->
+
+  <sql>
+    INSERT INTO ISSUE_ASSIGNEE (USER_NAME, REPOSITORY_NAME, ISSUE_ID, ASSIGNEE_USER_NAME)
+      SELECT USER_NAME, REPOSITORY_NAME, ISSUE_ID, ASSIGNED_USER_NAME FROM ISSUE WHERE ASSIGNED_USER_NAME IS NOT NULL
+  </sql>
+
+  <dropColumn tableName="ISSUE" columnName="ASSIGNED_USER_NAME"/>
+</changeSet>

src/main/resources/update/gitbucket-core_4.39.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<changeSet>
+  <addColumn tableName="CUSTOM_FIELD">
+    <column name="CONSTRAINTS" type="varchar(200)" nullable="true"/>
+  </addColumn>
+</changeSet>

src/main/resources/update/gitbucket-core_4.7.sql

@@ -1,2 +0,0 @@
--- DELETE COLLABORATORS IN GROUP REPOSITORIES
-DELETE FROM COLLABORATOR WHERE USER_NAME IN (SELECT USER_NAME FROM ACCOUNT WHERE GROUP_ACCOUNT = TRUE)

src/main/resources/update/gitbucket-core_4.7.xml

@@ -30,4 +30,9 @@
     <dropColumn tableName="REPOSITORY" columnName="ENABLE_WIKI"/>
     <dropColumn tableName="REPOSITORY" columnName="ALLOW_WIKI_EDITING"/>
     <dropColumn tableName="REPOSITORY" columnName="ENABLE_ISSUES"/>
+
+    <!-- DELETE COLLABORATORS IN GROUP REPOSITORIES -->
+    <sql>
+      DELETE FROM COLLABORATOR WHERE USER_NAME IN (SELECT USER_NAME FROM ACCOUNT WHERE GROUP_ACCOUNT = TRUE)
+    </sql>
 </changeSet>

src/main/scala/gitbucket/core/GitBucketCoreModule.scala

@@ -9,7 +9,7 @@ import gitbucket.core.model.Activity
 import gitbucket.core.util.Directory.ActivityLog
 import gitbucket.core.util.JDBCUtil
 import io.github.gitbucket.solidbase.Solidbase
-import io.github.gitbucket.solidbase.migration.{LiquibaseMigration, Migration, SqlMigration}
+import io.github.gitbucket.solidbase.migration.{LiquibaseMigration, Migration}
 import io.github.gitbucket.solidbase.model.{Module, Version}
 import org.json4s.{Formats, NoTypeHints}
 import org.json4s.jackson.Serialization
@@ -20,11 +20,7 @@ import scala.util.Using
 object GitBucketCoreModule
     extends Module(
       "gitbucket-core",
-      new Version(
+      new Version("4.0.0", new LiquibaseMigration("update/gitbucket-core_4.0.xml")),
-        "4.0.0",
-        new LiquibaseMigration("update/gitbucket-core_4.0.xml"),
-        new SqlMigration("update/gitbucket-core_4.0.sql")
-      ),
       new Version("4.1.0"),
       new Version("4.2.0", new LiquibaseMigration("update/gitbucket-core_4.2.xml")),
       new Version("4.2.1"),
@@ -32,11 +28,7 @@ object GitBucketCoreModule
       new Version("4.4.0"),
       new Version("4.5.0"),
       new Version("4.6.0", new LiquibaseMigration("update/gitbucket-core_4.6.xml")),
-      new Version(
+      new Version("4.7.0", new LiquibaseMigration("update/gitbucket-core_4.7.xml")),
-        "4.7.0",
-        new LiquibaseMigration("update/gitbucket-core_4.7.xml"),
-        new SqlMigration("update/gitbucket-core_4.7.sql")
-      ),
       new Version("4.7.1"),
       new Version("4.8"),
       new Version("4.9.0", new LiquibaseMigration("update/gitbucket-core_4.9.xml")),
@@ -45,11 +37,7 @@ object GitBucketCoreModule
       new Version("4.12.0"),
       new Version("4.12.1"),
       new Version("4.13.0"),
-      new Version(
+      new Version("4.14.0", new LiquibaseMigration("update/gitbucket-core_4.14.xml")),
-        "4.14.0",
-        new LiquibaseMigration("update/gitbucket-core_4.14.xml"),
-        new SqlMigration("update/gitbucket-core_4.14.sql")
-      ),
       new Version("4.14.1"),
       new Version("4.15.0"),
       new Version("4.16.0"),
@@ -88,8 +76,7 @@ object GitBucketCoreModule
             import JDBCUtil._
 
             val conn = context.get(Solidbase.CONNECTION).asInstanceOf[Connection]
-            val list = conn.select("SELECT * FROM ACTIVITY ORDER BY ACTIVITY_ID") {
+            val list = conn.select("SELECT * FROM ACTIVITY ORDER BY ACTIVITY_ID") { rs =>
-              rs =>
               Activity(
                 activityId = UUID.randomUUID().toString,
                 userName = rs.getString("USER_NAME"),
@@ -119,5 +106,16 @@ object GitBucketCoreModule
       new Version("4.35.3"),
       new Version("4.36.0", new LiquibaseMigration("update/gitbucket-core_4.36.xml")),
       new Version("4.36.1"),
-      new Version("4.36.2")
+      new Version("4.36.2"),
+      new Version("4.37.0", new LiquibaseMigration("update/gitbucket-core_4.37.xml")),
+      new Version("4.37.1"),
+      new Version("4.37.2"),
+      new Version("4.38.0", new LiquibaseMigration("update/gitbucket-core_4.38.xml")),
+      new Version("4.38.1"),
+      new Version("4.38.2"),
+      new Version("4.38.3"),
+      new Version("4.38.4"),
+      new Version("4.39.0", new LiquibaseMigration("update/gitbucket-core_4.39.xml")),
+      new Version("4.40.0"),
+      new Version("4.41.0")
     )

src/main/scala/gitbucket/core/api/AddLabelsToAnIssue.scala

@@ -0,0 +1,6 @@
+package gitbucket.core.api
+
+/**
+ * https://developer.github.com/v3/issues/labels/#add-labels-to-an-issue
+ */
+case class AddLabelsToAnIssue(labels: Seq[String])

src/main/scala/gitbucket/core/api/ApiBranchProtection.scala

@@ -66,15 +66,16 @@ object ApiBranchProtection {
       }
   }
 
-  implicit val enforcementLevelSerializer: CustomSerializer[EnforcementLevel] = new CustomSerializer[EnforcementLevel](
+  implicit val enforcementLevelSerializer: CustomSerializer[EnforcementLevel] =
-    format =>
+    new CustomSerializer[EnforcementLevel](format =>
       (
         {
           case JString("off")        => Off
           case JString("non_admins") => NonAdmins
           case JString("everyone")   => Everyone
-        }, {
+        },
-          case x: EnforcementLevel => JString(x.name)
+        { case x: EnforcementLevel =>
+          JString(x.name)
         }
       )
     )

src/main/scala/gitbucket/core/api/ApiComment.scala

@@ -14,7 +14,8 @@ case class ApiComment(id: Int, user: ApiUser, body: String, created_at: Date, up
   isPullRequest: Boolean
 ) {
   val html_url = ApiPath(
-    s"/${repositoryName.fullName}/${if (isPullRequest) { "pull" } else { "issues" }}/${issueId}#comment-${id}"
+    s"/${repositoryName.fullName}/${if (isPullRequest) { "pull" }
+      else { "issues" }}/${issueId}#comment-${id}"
   )
 }
 

src/main/scala/gitbucket/core/api/ApiCommit.scala

@@ -29,7 +29,7 @@ case class ApiCommit(
 
 object ApiCommit {
   def apply(git: Git, repositoryName: RepositoryName, commit: CommitInfo): ApiCommit = {
-    val diffs = JGitUtil.getDiffs(git, None, commit.id, false, false)
+    val diffs = JGitUtil.getDiffs(git = git, from = None, to = commit.id, fetchContent = false, makePatch = false)
     ApiCommit(
       id = commit.id,
       message = commit.fullMessage,

src/main/scala/gitbucket/core/api/ApiCommits.scala

@@ -69,7 +69,8 @@ object ApiCommits {
       }
 
       File(
-        filename = if (diff.changeType == ChangeType.DELETE) { diff.oldPath } else { diff.newPath },
+        filename = if (diff.changeType == ChangeType.DELETE) { diff.oldPath }
+        else { diff.newPath },
         additions = additions,
         deletions = deletions,
         changes = additions + deletions,
@@ -97,7 +98,7 @@ object ApiCommits {
     ApiCommits(
       url = ApiPath(s"/api/v3/repos/${repositoryName.fullName}/commits/${commitInfo.id}"),
       sha = commitInfo.id,
-      html_url = ApiPath(s"${repositoryName.fullName}/commit/${commitInfo.id}"),
+      html_url = ApiPath(s"/${repositoryName.fullName}/commit/${commitInfo.id}"),
       comment_url = ApiPath(""), // TODO no API for commit comment
       commit = Commit(
         url = ApiPath(s"/api/v3/repos/${repositoryName.fullName}/commits/${commitInfo.id}"),
@@ -106,7 +107,9 @@ object ApiCommits {
         message = commitInfo.shortMessage,
         comment_count = commentCount,
         tree = Tree(
-          url = ApiPath(s"/api/v3/repos/${repositoryName.fullName}/tree/${commitInfo.id}"), // TODO This endpoint has not been implemented yet.
+          url = ApiPath(
+            s"/api/v3/repos/${repositoryName.fullName}/tree/${commitInfo.id}"
+          ), // TODO This endpoint has not been implemented yet.
           sha = commitInfo.id
         )
       ),
@@ -114,7 +117,9 @@ object ApiCommits {
       committer = ApiUser(committer),
       parents = commitInfo.parents.map { parent =>
         Tree(
-          url = ApiPath(s"/api/v3/repos/${repositoryName.fullName}/tree/${parent}"), // TODO This endpoint has not been implemented yet.
+          url = ApiPath(
+            s"/api/v3/repos/${repositoryName.fullName}/tree/${parent}"
+          ), // TODO This endpoint has not been implemented yet.
           sha = parent
         )
       },

src/main/scala/gitbucket/core/api/ApiContents.scala

@@ -22,8 +22,7 @@ object ApiContents {
       ApiContents("dir", fileInfo.name, fileInfo.path, fileInfo.commitId, None, None)(repositoryName)
     } else {
       content
-        .map(
+        .map(arr =>
-          arr =>
           ApiContents(
             "file",
             fileInfo.name,

src/main/scala/gitbucket/core/api/ApiIssue.scala

@@ -12,7 +12,7 @@ case class ApiIssue(
   number: Int,
   title: String,
   user: ApiUser,
-  assignee: Option[ApiUser],
+  assignees: List[ApiUser],
   labels: List[ApiLabel],
   state: String,
   created_at: Date,
@@ -21,9 +21,10 @@ case class ApiIssue(
   milestone: Option[ApiMilestone]
 )(repositoryName: RepositoryName, isPullRequest: Boolean) {
   val id = 0 // dummy id
-  val assignees = List(assignee).flatten
+  val assignee = assignees.headOption
   val comments_url = ApiPath(s"/api/v3/repos/${repositoryName.fullName}/issues/${number}/comments")
-  val html_url = ApiPath(s"/${repositoryName.fullName}/${if (isPullRequest) { "pull" } else { "issues" }}/${number}")
+  val html_url = ApiPath(s"/${repositoryName.fullName}/${if (isPullRequest) { "pull" }
+    else { "issues" }}/${number}")
   val pull_request = if (isPullRequest) {
     Some(
       Map(
@@ -43,7 +44,7 @@ object ApiIssue {
     issue: Issue,
     repositoryName: RepositoryName,
     user: ApiUser,
-    assignee: Option[ApiUser],
+    assignees: List[ApiUser],
     labels: List[ApiLabel],
     milestone: Option[ApiMilestone]
   ): ApiIssue =
@@ -51,10 +52,11 @@ object ApiIssue {
       number = issue.issueId,
       title = issue.title,
       user = user,
-      assignee = assignee,
+      assignees = assignees,
       labels = labels,
       milestone = milestone,
-      state = if (issue.closed) { "closed" } else { "open" },
+      state = if (issue.closed) { "closed" }
+      else { "open" },
       body = issue.content.getOrElse(""),
       created_at = issue.registeredDate,
       updated_at = issue.updatedDate

src/main/scala/gitbucket/core/api/ApiPullRequest.scala

@@ -21,10 +21,11 @@ case class ApiPullRequest(
   body: String,
   user: ApiUser,
   labels: List[ApiLabel],
-  assignee: Option[ApiUser],
+  assignees: List[ApiUser],
   draft: Option[Boolean]
 ) {
   val id = 0 // dummy id
+  val assignee = assignees.headOption
   val html_url = ApiPath(s"${base.repo.html_url.path}/pull/${number}")
   // val diff_url            = ApiPath(s"${base.repo.html_url.path}/pull/${number}.diff")
   // val patch_url           = ApiPath(s"${base.repo.html_url.path}/pull/${number}.patch")
@@ -45,7 +46,7 @@ object ApiPullRequest {
     baseRepo: ApiRepository,
     user: ApiUser,
     labels: List[ApiLabel],
-    assignee: Option[ApiUser],
+    assignees: List[ApiUser],
     mergedComment: Option[(IssueComment, Account)]
   ): ApiPullRequest =
     ApiPullRequest(
@@ -63,12 +64,13 @@ object ApiPullRequest {
       body = issue.content.getOrElse(""),
       user = user,
       labels = labels,
-      assignee = assignee,
+      assignees = assignees,
       draft = Some(pullRequest.isDraft)
     )
 
   case class Commit(sha: String, ref: String, repo: ApiRepository)(baseOwner: String) {
-    val label = if (baseOwner == repo.owner.login) { ref } else { s"${repo.owner.login}:${ref}" }
+    val label = if (baseOwner == repo.owner.login) { ref }
+    else { s"${repo.owner.login}:${ref}" }
     val user = repo.owner
   }
 

src/main/scala/gitbucket/core/api/ApiRef.scala

@@ -1,5 +1,55 @@
 package gitbucket.core.api
 
-case class ApiObject(sha: String)
+import gitbucket.core.util.JGitUtil.TagInfo
+import gitbucket.core.util.RepositoryName
+import org.eclipse.jgit.lib.Ref
 
-case class ApiRef(ref: String, `object`: ApiObject)
+case class ApiRefCommit(
+  sha: String,
+  `type`: String,
+  url: ApiPath
+)
+
+case class ApiRef(
+  ref: String,
+  node_id: String = "",
+  url: ApiPath,
+  `object`: ApiRefCommit,
+)
+
+object ApiRef {
+
+  def fromRef(
+    repositoryName: RepositoryName,
+    ref: Ref
+  ): ApiRef =
+    ApiRef(
+      ref = ref.getName,
+      url = ApiPath(s"/api/v3/repos/${repositoryName.fullName}/git/${ref.getName}"),
+      `object` = ApiRefCommit(
+        sha = ref.getObjectId.getName,
+        url = ApiPath(s"/api/v3/repos/${repositoryName.fullName}/commits/${ref.getObjectId.getName}"),
+        `type` = "commit"
+      )
+    )
+
+  def fromTag(
+    repositoryName: RepositoryName,
+    tagInfo: TagInfo
+  ): ApiRef =
+    ApiRef(
+      ref = s"refs/tags/${tagInfo.name}",
+      url = ApiPath(s"/api/v3/repos/${repositoryName.fullName}/git/refs/tags/${tagInfo.name}"),
+      // the GH api distinguishes between "releases" and plain git tags
+      // for "releases", the api returns a reference to the release object (with type `tag`)
+      // this would be something like s"/api/v3/repos/${repositoryName.fullName}/git/tags/<hash-of-tag>"
+      // with a hash for the tag, which I do not fully understand
+      // since this is not yet implemented in GB, we always return a link to the plain `commit` object,
+      // which GH does for tags that are not annotated
+      `object` = ApiRefCommit(
+        sha = tagInfo.objectId,
+        url = ApiPath(s"/api/v3/repos/${repositoryName.fullName}/commits/${tagInfo.objectId}"),
+        `type` = "commit"
+      )
+    )
+}

src/main/scala/gitbucket/core/api/ApiRepository.scala

@@ -21,7 +21,7 @@ case class ApiRepository(
   val url = ApiPath(s"/api/v3/repos/${full_name}")
   val clone_url = ApiPath(s"/git/${full_name}.git")
   val html_url = ApiPath(s"/${full_name}")
-  val ssh_url = Some(SshPath(s":${full_name}.git"))
+  val ssh_url = Some(SshPath(""))
 }
 
 object ApiRepository {
@@ -61,7 +61,7 @@ object ApiRepository {
       watchers = 0,
       forks = 0,
       `private` = false,
-      default_branch = "master",
+      default_branch = "main",
       owner = owner,
       has_issues = true
     )

src/main/scala/gitbucket/core/api/ApiTag.scala

@@ -1,29 +0,0 @@
-package gitbucket.core.api
-
-import gitbucket.core.util.RepositoryName
-
-case class ApiTagCommit(
-  sha: String,
-  url: ApiPath
-)
-
-case class ApiTag(
-  name: String,
-  commit: ApiTagCommit,
-  zipball_url: ApiPath,
-  tarball_url: ApiPath
-)
-
-object ApiTag {
-  def apply(
-    tagName: String,
-    repositoryName: RepositoryName,
-    commitId: String
-  ): ApiTag =
-    ApiTag(
-      name = tagName,
-      commit = ApiTagCommit(sha = commitId, url = ApiPath(s"/${repositoryName.fullName}/commits/${commitId}")),
-      zipball_url = ApiPath(s"/${repositoryName.fullName}/archive/${tagName}.zip"),
-      tarball_url = ApiPath(s"/${repositoryName.fullName}/archive/${tagName}.tar.gz")
-    )
-}

src/main/scala/gitbucket/core/api/ApiUser.scala

@@ -24,7 +24,8 @@ object ApiUser {
   def apply(user: Account): ApiUser = ApiUser(
     login = user.userName,
     email = user.mailAddress,
-    `type` = if (user.isGroupAccount) { "Organization" } else { "User" },
+    `type` = if (user.isGroupAccount) { "Organization" }
+    else { "User" },
     site_admin = user.isAdmin,
     created_at = user.registeredDate
   )

src/main/scala/gitbucket/core/api/JsonFormat.scala

@@ -15,13 +15,12 @@ object JsonFormat {
 
   val parserISO = DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm:ss'Z'")
 
-  val jsonFormats = Serialization.formats(NoTypeHints) + new CustomSerializer[Date](
+  val jsonFormats = Serialization.formats(NoTypeHints) + new CustomSerializer[Date](format =>
-    format =>
     (
-        {
+      { case JString(s) =>
-          case JString(s) =>
         Try(Date.from(Instant.parse(s))).getOrElse(throw new MappingException("Can't convert " + s + " to Date"))
-        }, { case x: Date => JString(OffsetDateTime.ofInstant(x.toInstant, ZoneId.of("UTC")).format(parserISO)) }
+      },
+      { case x: Date => JString(OffsetDateTime.ofInstant(x.toInstant, ZoneId.of("UTC")).format(parserISO)) }
     )
   ) + FieldSerializer[ApiUser]() +
     FieldSerializer[ApiGroup]() +
@@ -48,29 +47,32 @@ object JsonFormat {
     ApiBranchProtection.enforcementLevelSerializer
 
   def apiPathSerializer(c: Context) =
-    new CustomSerializer[ApiPath](
+    new CustomSerializer[ApiPath](_ =>
-      _ =>
+      (
-        ({
+        {
           case JString(s) if s.startsWith(c.baseUrl) => ApiPath(s.substring(c.baseUrl.length))
           case JString(s)                            => throw new MappingException("Can't convert " + s + " to ApiPath")
-        }, {
+        },
-          case ApiPath(path) => JString(c.baseUrl + path)
+        { case ApiPath(path) =>
-        })
+          JString(c.baseUrl + path)
+        }
+      )
     )
 
   def sshPathSerializer(c: Context) =
-    new CustomSerializer[SshPath](
+    new CustomSerializer[SshPath](_ =>
-      _ =>
+      (
-        ({
+        {
           case JString(s) if c.sshUrl.exists(sshUrl => s.startsWith(sshUrl)) =>
             SshPath(s.substring(c.sshUrl.get.length))
           case JString(s) => throw new MappingException("Can't convert " + s + " to ApiPath")
-        }, {
+        },
-          case SshPath(path) =>
+        { case SshPath(path) =>
           c.sshUrl.map { sshUrl =>
             JString(sshUrl + path)
           } getOrElse JNothing
-        })
+        }
+      )
     )
 
   /**

src/main/scala/gitbucket/core/controller/AccountController.scala

@@ -128,6 +128,15 @@ trait AccountControllerBase extends AccountManagementControllerBase {
     "highlighterTheme" -> trim(label("Theme", text(required)))
   )(SyntaxHighlighterThemeForm.apply)
 
+  val resetPasswordEmailForm = mapping(
+    "mailAddress" -> trim(label("Email", text(required)))
+  )(ResetPasswordEmailForm.apply)
+
+  val resetPasswordForm = mapping(
+    "token" -> trim(label("Token", text(required))),
+    "password" -> trim(label("Password", text(required, maxlength(40))))
+  )(ResetPasswordForm.apply)
+
   case class NewGroupForm(
     groupName: String,
     description: Option[String],
@@ -143,6 +152,13 @@ trait AccountControllerBase extends AccountManagementControllerBase {
     members: String,
     clearImage: Boolean
   )
+  case class ResetPasswordEmailForm(
+    mailAddress: String
+  )
+  case class ResetPasswordForm(
+    token: String,
+    password: String
+  )
 
   val newGroupForm = mapping(
     "groupName" -> trim(label("Group name", text(required, maxlength(100), identifier, uniqueUserName, reservedNames))),
@@ -169,7 +185,6 @@ trait AccountControllerBase extends AccountManagementControllerBase {
     initOption: String,
     sourceUrl: Option[String]
   )
-  case class ForkRepositoryForm(owner: String, name: String)
 
   val newRepositoryForm = mapping(
     "owner" -> trim(label("Owner", text(required, maxlength(100), identifier, existsAccount))),
@@ -180,11 +195,6 @@ trait AccountControllerBase extends AccountManagementControllerBase {
     "sourceUrl" -> trim(label("Source URL", optionalRequired(_.value("initOption") == "COPY", text())))
   )(RepositoryCreationForm.apply)
 
-  val forkRepositoryForm = mapping(
-    "owner" -> trim(label("Repository owner", text(required))),
-    "name" -> trim(label("Repository name", text(required)))
-  )(ForkRepositoryForm.apply)
-
   case class AccountForm(accountName: String)
 
   val accountForm = mapping(
@@ -205,9 +215,7 @@ trait AccountControllerBase extends AccountManagementControllerBase {
       "events" -> accountWebhookEvents,
       "ctype" -> label("ctype", text()),
       "token" -> optional(trim(label("token", text(maxlength(100)))))
-    )(
+    )((url, events, ctype, token) => AccountWebHookForm(url, events, WebHookContentType.valueOf(ctype), token))
-      (url, events, ctype, token) => AccountWebHookForm(url, events, WebHookContentType.valueOf(ctype), token)
-    )
 
   /**
    * Provides duplication check for web hook url. duplicated from RepositorySettingsController.scala
@@ -252,7 +260,7 @@ trait AccountControllerBase extends AccountManagementControllerBase {
           gitbucket.core.account.html.activity(
             account,
             if (account.isGroupAccount) Nil else getGroupsByUserName(userName),
-            getActivitiesByUser(userName, true),
+            getActivitiesByUser(userName, publicOnly = true),
             extraMailAddresses
           )
 
@@ -330,8 +338,7 @@ trait AccountControllerBase extends AccountManagementControllerBase {
 
   post("/:userName/_edit", editForm)(oneselfOnly { form =>
     val userName = params("userName")
-    getAccountByUserName(userName).map {
+    getAccountByUserName(userName).map { account =>
-      account =>
       updateAccount(
         account.copy(
           password = form.password.map(pbkdf2_sha256).getOrElse(account.password),
@@ -353,8 +360,7 @@ trait AccountControllerBase extends AccountManagementControllerBase {
   get("/:userName/_delete")(oneselfOnly {
     val userName = params("userName")
 
-    getAccountByUserName(userName, true).map {
+    getAccountByUserName(userName, true).map { account =>
-      account =>
       if (isLastAdministrator(account)) {
         flash.update("error", "Account can't be removed because this is last one administrator.")
         redirect(s"/${userName}/_edit")
@@ -515,8 +521,7 @@ trait AccountControllerBase extends AccountManagementControllerBase {
   get("/:userName/_hooks/edit")(managersOnly {
     val userName = params("userName")
     getAccountByUserName(userName).flatMap { account =>
-      getAccountWebHook(userName, params("url")).map {
+      getAccountWebHook(userName, params("url")).map { case (webhook, events) =>
-        case (webhook, events) =>
         html.edithook(webhook, events, account, false)
       }
     } getOrElse NotFound()
@@ -574,8 +579,7 @@ trait AccountControllerBase extends AccountManagementControllerBase {
         "url" -> url,
         "request" -> Await.result(
           reqFuture
-            .map(
+            .map(req =>
-              req =>
               Map(
                 "headers" -> _headers(req.getAllHeaders),
                 "payload" -> json
@@ -586,8 +590,7 @@ trait AccountControllerBase extends AccountManagementControllerBase {
         ),
         "response" -> Await.result(
           resFuture
-            .map(
+            .map(res =>
-              res =>
               Map(
                 "status" -> res.getStatusLine(),
                 "body" -> EntityUtils.toString(res.getEntity()),
@@ -602,7 +605,7 @@ trait AccountControllerBase extends AccountManagementControllerBase {
   })
 
   get("/register") {
-    if (context.settings.allowAccountRegistration) {
+    if (context.settings.basicBehavior.allowAccountRegistration) {
       if (context.loginAccount.isDefined) {
         redirect("/")
       } else {
@@ -612,7 +615,7 @@ trait AccountControllerBase extends AccountManagementControllerBase {
   }
 
   post("/register", newForm) { form =>
-    if (context.settings.allowAccountRegistration) {
+    if (context.settings.basicBehavior.allowAccountRegistration) {
       createAccount(
         form.userName,
         pbkdf2_sha256(form.password),
@@ -628,6 +631,63 @@ trait AccountControllerBase extends AccountManagementControllerBase {
     } else NotFound()
   }
 
+  get("/reset") {
+    if (context.settings.basicBehavior.allowResetPassword) {
+      html.reset()
+    } else NotFound()
+  }
+
+  post("/reset", resetPasswordEmailForm) { form =>
+    if (context.settings.basicBehavior.allowResetPassword) {
+      getAccountByMailAddress(form.mailAddress).foreach { account =>
+        val token = generateResetPasswordToken(form.mailAddress)
+        val mailer = new Mailer(context.settings)
+        mailer.send(
+          form.mailAddress,
+          "Reset password",
+          s"""Hello, ${account.fullName}!
+            |
+            |You requested to reset the password for your GitBucket account.
+            |If you are not sure about the request, you can ignore this email.
+            |Otherwise, click the following link to set the new password:
+            |${context.baseUrl}/reset/form/${token}
+            |""".stripMargin
+        )
+      }
+      redirect("/reset/sent")
+    } else NotFound()
+  }
+
+  get("/reset/sent") {
+    if (context.settings.basicBehavior.allowResetPassword) {
+      html.resetsent()
+    } else NotFound()
+  }
+
+  get("/reset/form/:token") {
+    if (context.settings.basicBehavior.allowResetPassword) {
+      val token = params("token")
+      decodeResetPasswordToken(token)
+        .map { _ =>
+          html.resetform(token)
+        }
+        .getOrElse(NotFound())
+    } else NotFound()
+  }
+
+  post("/reset/form", resetPasswordForm) { form =>
+    if (context.settings.basicBehavior.allowResetPassword) {
+      decodeResetPasswordToken(form.token)
+        .flatMap { mailAddress =>
+          getAccountByMailAddress(mailAddress).map { account =>
+            updateAccount(account.copy(password = pbkdf2_sha256(form.password)))
+            html.resetcomplete()
+          }
+        }
+        .getOrElse(NotFound())
+    } else NotFound()
+  }
+
   get("/groups/new")(usersOnly {
     context.withLoginAccount { loginAccount =>
       html.creategroup(List(GroupMember("", loginAccount.userName, true)))
@@ -713,7 +773,7 @@ trait AccountControllerBase extends AccountManagementControllerBase {
    */
   get("/new")(usersOnly {
     context.withLoginAccount { loginAccount =>
-      html.newrepo(getGroupsByUserName(loginAccount.userName), context.settings.isCreateRepoOptionPublic)
+      html.newrepo(getGroupsByUserName(loginAccount.userName), context.settings.basicBehavior.isCreateRepoOptionPublic)
     }
   })
 
@@ -721,9 +781,8 @@ trait AccountControllerBase extends AccountManagementControllerBase {
    * Create new repository.
    */
   post("/new", newRepositoryForm)(usersOnly { form =>
-    context.withLoginAccount {
+    context.withLoginAccount { loginAccount =>
-      loginAccount =>
+      if (context.settings.basicBehavior.repositoryOperation.create || loginAccount.isAdmin) {
-        if (context.settings.repositoryOperation.create || loginAccount.isAdmin) {
         LockUtil.lock(s"${form.owner}/${form.name}") {
           if (getRepository(form.owner, form.name).isDefined) {
             // redirect to the repository if repository already exists
@@ -740,7 +799,8 @@ trait AccountControllerBase extends AccountManagementControllerBase {
               form.description,
               form.isPrivate,
               form.initOption,
-                form.sourceUrl
+              form.sourceUrl,
+              context.settings.defaultBranch
             )
             // redirect to the repository
             redirect(s"/${form.owner}/${form.name}")
@@ -751,17 +811,17 @@ trait AccountControllerBase extends AccountManagementControllerBase {
   })
 
   get("/:owner/:repository/fork")(readableUsersOnly { repository =>
-    context.withLoginAccount {
+    context.withLoginAccount { loginAccount =>
-      loginAccount =>
+      if (
-        if (repository.repository.options.allowFork && (context.settings.repositoryOperation.fork || loginAccount.isAdmin)) {
+        repository.repository.options.allowFork && (context.settings.basicBehavior.repositoryOperation.fork || loginAccount.isAdmin)
+      ) {
         val loginUserName = loginAccount.userName
         val groups = getGroupsByUserName(loginUserName)
         groups match {
           case _: List[String] =>
             val managerPermissions = groups.map { group =>
               val members = getGroupMembers(group)
-                context.loginAccount.exists(
+              context.loginAccount.exists(x =>
-                  x =>
                 members.exists { member =>
                   member.userName == x.userName && member.isManager
                 }
@@ -778,9 +838,10 @@ trait AccountControllerBase extends AccountManagementControllerBase {
   })
 
   post("/:owner/:repository/fork", accountForm)(readableUsersOnly { (form, repository) =>
-    context.withLoginAccount {
+    context.withLoginAccount { loginAccount =>
-      loginAccount =>
+      if (
-        if (repository.repository.options.allowFork && (context.settings.repositoryOperation.fork || loginAccount.isAdmin)) {
+        repository.repository.options.allowFork && (context.settings.basicBehavior.repositoryOperation.fork || loginAccount.isAdmin)
+      ) {
         val loginUserName = loginAccount.userName
         val accountName = form.accountName
 
@@ -823,9 +884,11 @@ trait AccountControllerBase extends AccountManagementControllerBase {
 
   private def members: Constraint = new Constraint() {
     override def validate(name: String, value: String, messages: Messages): Option[String] = {
-      if (value.split(",").exists {
+      if (
+        value.split(",").exists {
           _.split(":") match { case Array(userName, isManager) => isManager.toBoolean }
-          }) None
+        }
+      ) None
       else Some("Must select one manager at least.")
     }
   }

src/main/scala/gitbucket/core/controller/ControllerBase.scala

@@ -1,7 +1,6 @@
 package gitbucket.core.controller
 
-import java.io.{File, FileInputStream}
+import java.io.{File, FileInputStream, FileOutputStream}
-
 import gitbucket.core.api.{ApiError, JsonFormat}
 import gitbucket.core.model.Account
 import gitbucket.core.service.{AccountService, RepositoryService, SystemSettingsService}
@@ -14,9 +13,9 @@ import org.scalatra._
 import org.scalatra.i18n._
 import org.scalatra.json._
 import org.scalatra.forms._
+
 import javax.servlet.http.{HttpServletRequest, HttpServletResponse}
 import javax.servlet.{FilterChain, ServletRequest, ServletResponse}
-
 import is.tagomor.woothee.Classifier
 
 import scala.util.Try
@@ -29,6 +28,9 @@ import org.eclipse.jgit.treewalk._
 import org.apache.commons.io.IOUtils
 import org.slf4j.LoggerFactory
 import org.json4s.Formats
+import org.json4s.jackson.Serialization
+
+import java.nio.charset.StandardCharsets
 
 /**
  * Provides generic features for controller implementations.
@@ -93,8 +95,16 @@ abstract class ControllerBase
     }
   }
 
-  private def LoginAccount: Option[Account] =
+  private def LoginAccount: Option[Account] = {
-    request.getAs[Account](Keys.Session.LoginAccount).orElse(session.getAs[Account](Keys.Session.LoginAccount))
+    request
+      .getAs[Account](Keys.Session.LoginAccount)
+      .orElse(session.getAs[Account](Keys.Session.LoginAccount))
+      .orElse {
+        if (isDevFeatureEnabled(DevFeatures.KeepSession)) {
+          getLoginAccountFromLocalFile()
+        } else None
+      }
+  }
 
   def ajaxGet(path: String)(action: => Any): Route =
     super.get(path) {
@@ -277,6 +287,47 @@ abstract class ControllerBase
       }
     }
   }
+
+  protected object DevFeatures {
+    val KeepSession = "keep-session"
+  }
+
+  private val loginAccountFile = new File(".tmp/login_account.json")
+
+  protected def isDevFeatureEnabled(feature: String): Boolean = {
+    Option(System.getProperty("dev-features")).getOrElse("").split(",").map(_.trim).contains(feature)
+  }
+
+  protected def getLoginAccountFromLocalFile(): Option[Account] = {
+    if (isDevFeatureEnabled(DevFeatures.KeepSession)) {
+      if (loginAccountFile.exists()) {
+        Using.resource(new FileInputStream(loginAccountFile)) { in =>
+          val json = IOUtils.toString(in, StandardCharsets.UTF_8)
+          val account = parse(json).extract[Account]
+          session.setAttribute(Keys.Session.LoginAccount, account)
+          Some(parse(json).extract[Account])
+        }
+      } else None
+
+    } else None
+  }
+
+  protected def saveLoginAccountToLocalFile(account: Account): Unit = {
+    if (isDevFeatureEnabled(DevFeatures.KeepSession)) {
+      if (!loginAccountFile.getParentFile.exists()) {
+        loginAccountFile.getParentFile.mkdirs()
+      }
+      Using.resource(new FileOutputStream(loginAccountFile)) { in =>
+        in.write(Serialization.write(account).getBytes(StandardCharsets.UTF_8))
+      }
+    }
+  }
+
+  protected def deleteLoginAccountFromLocalFile(): Unit = {
+    if (isDevFeatureEnabled(DevFeatures.KeepSession)) {
+      loginAccountFile.delete()
+    }
+  }
 }
 
 /**
@@ -372,10 +423,11 @@ trait AccountManagementControllerBase extends ControllerBase {
       messages: Messages
     ): Option[String] = {
       val extraMailAddresses = params.view.filterKeys(k => k.startsWith("extraMailAddresses"))
-      if (extraMailAddresses.exists {
+      if (
-            case (k, v) =>
+        extraMailAddresses.exists { case (k, v) =>
           v.contains(value)
-          }) {
+        }
+      ) {
         Some("These mail addresses are duplicated.")
       } else {
         getAccountByMailAddress(value, true)
@@ -395,10 +447,11 @@ trait AccountManagementControllerBase extends ControllerBase {
       messages: Messages
     ): Option[String] = {
       val extraMailAddresses = params.view.filterKeys(k => k.startsWith("extraMailAddresses"))
-      if (Some(value) == params.optionValue("mailAddress") || extraMailAddresses.count {
+      if (
-            case (k, v) =>
+        Some(value) == params.optionValue("mailAddress") || extraMailAddresses.count { case (k, v) =>
           v.contains(value)
-          } > 1) {
+        } > 1
+      ) {
         Some("These mail addresses are duplicated.")
       } else {
         getAccountByMailAddress(value, true)

src/main/scala/gitbucket/core/controller/DashboardController.scala

@@ -6,6 +6,7 @@ import gitbucket.core.service._
 import gitbucket.core.util.{Keys, UsersAuthenticator}
 import gitbucket.core.util.Implicits._
 import gitbucket.core.service.IssuesService._
+import gitbucket.core.service.ActivityService._
 
 class DashboardController
     extends DashboardControllerBase
@@ -40,9 +41,9 @@ trait DashboardControllerBase extends ControllerBase {
         context.loginAccount,
         None,
         withoutPhysicalInfo = true,
-        limit = context.settings.limitVisibleRepositories
+        limit = context.settings.basicBehavior.limitVisibleRepositories
       )
-      html.repos(getGroupNames(loginAccount.userName), repos, repos)
+      html.repos(getGroupNames(loginAccount.userName), repos, repos, isNewsFeedEnabled)
     }
   })
 
@@ -111,13 +112,13 @@ trait DashboardControllerBase extends ControllerBase {
     val condition = getOrCreateCondition(Keys.Session.DashboardIssues, filter, userName)
     val userRepos = getUserRepositories(userName, true).map(repo => repo.owner -> repo.name)
     val page = IssueSearchCondition.page(request)
-    val issues = searchIssue(condition, IssueSearchOption.Issues, (page - 1) * IssueLimit, IssueLimit, userRepos: _*)
+    val issues = searchIssue(condition, IssueSearchOption.Issues, (page - 1) * IssueLimit, IssueLimit, userRepos*)
 
     html.issues(
       issues.map(issue => (issue, None)),
       page,
-      countIssue(condition.copy(state = "open"), IssueSearchOption.Issues, userRepos: _*),
+      countIssue(condition.copy(state = "open"), IssueSearchOption.Issues, userRepos*),
-      countIssue(condition.copy(state = "closed"), IssueSearchOption.Issues, userRepos: _*),
+      countIssue(condition.copy(state = "closed"), IssueSearchOption.Issues, userRepos*),
       filter match {
         case "assigned"  => condition.copy(assigned = Some(Some(userName)))
         case "mentioned" => condition.copy(mentioned = Some(userName))
@@ -129,8 +130,9 @@ trait DashboardControllerBase extends ControllerBase {
         context.loginAccount,
         None,
         withoutPhysicalInfo = true,
-        limit = context.settings.limitVisibleRepositories
+        limit = context.settings.basicBehavior.limitVisibleRepositories
-      )
+      ),
+      isNewsFeedEnabled
     )
   }
 
@@ -147,7 +149,7 @@ trait DashboardControllerBase extends ControllerBase {
       IssueSearchOption.PullRequests,
       (page - 1) * PullRequestLimit,
       PullRequestLimit,
-      allRepos: _*
+      allRepos*
     )
     val status = issues.map { issue =>
       issue.commitId.flatMap { commitId =>
@@ -158,8 +160,8 @@ trait DashboardControllerBase extends ControllerBase {
     html.pulls(
       issues.zip(status),
       page,
-      countIssue(condition.copy(state = "open"), IssueSearchOption.PullRequests, allRepos: _*),
+      countIssue(condition.copy(state = "open"), IssueSearchOption.PullRequests, allRepos*),
-      countIssue(condition.copy(state = "closed"), IssueSearchOption.PullRequests, allRepos: _*),
+      countIssue(condition.copy(state = "closed"), IssueSearchOption.PullRequests, allRepos*),
       filter match {
         case "assigned"  => condition.copy(assigned = Some(Some(userName)))
         case "mentioned" => condition.copy(mentioned = Some(userName))
@@ -171,8 +173,9 @@ trait DashboardControllerBase extends ControllerBase {
         context.loginAccount,
         None,
         withoutPhysicalInfo = true,
-        limit = context.settings.limitVisibleRepositories
+        limit = context.settings.basicBehavior.limitVisibleRepositories
-      )
+      ),
+      isNewsFeedEnabled
     )
   }
 

src/main/scala/gitbucket/core/controller/FileUploadController.scala

@@ -75,8 +75,7 @@ class FileUploadController
   post("/wiki/:owner/:repository") {
     setMultipartConfig()
     // Don't accept not logged-in users
-    session.get(Keys.Session.LoginAccount).collect {
+    session.get(Keys.Session.LoginAccount).collect { case loginAccount: Account =>
-      case loginAccount: Account =>
       val owner = params("owner")
       val repository = params("repository")
 
@@ -86,8 +85,7 @@ class FileUploadController
           { (file, fileId) =>
             val fileName = file.getName
             LockUtil.lock(s"${owner}/${repository}/wiki") {
-                Using.resource(Git.open(Directory.getWikiRepositoryDir(owner, repository))) {
+              Using.resource(Git.open(Directory.getWikiRepositoryDir(owner, repository))) { git =>
-                  git =>
                 val builder = DirCache.newInCore.builder()
                 val inserter = git.getRepository.newObjectInserter()
                 val headId = git.getRepository.resolve(Constants.HEAD + "^{commit}")
@@ -135,8 +133,7 @@ class FileUploadController
     setMultipartConfigForLargeFile()
     session
       .get(Keys.Session.LoginAccount)
-      .collect {
+      .collect { case _: Account =>
-        case _: Account =>
         val owner = params("owner")
         val repository = params("repository")
         val tag = multiParams("splat").head
@@ -158,9 +155,12 @@ class FileUploadController
     setMultipartConfig()
     session.get(Keys.Session.LoginAccount).collect {
       case loginAccount: Account if loginAccount.isAdmin =>
-        execute({ (file, fileId) =>
+        execute(
+          { (file, fileId) =>
             request2Session(request).conn.importAsSQL(file.getInputStream)
-        }, _ => true)
+          },
+          _ => true
+        )
     }
     redirect("/admin/data")
   }

src/main/scala/gitbucket/core/controller/IndexController.scala

@@ -1,7 +1,8 @@
 package gitbucket.core.controller
 
-import java.net.URI
+import com.nimbusds.jwt.JWT
 
+import java.net.URI
 import com.nimbusds.oauth2.sdk.id.State
 import com.nimbusds.openid.connect.sdk.Nonce
 import gitbucket.core.helper.xml
@@ -13,6 +14,8 @@ import gitbucket.core.view.helpers._
 import org.scalatra.Ok
 import org.scalatra.forms._
 
+import gitbucket.core.service.ActivityService._
+
 class IndexController
     extends IndexControllerBase
     with RepositoryService
@@ -57,30 +60,41 @@ trait IndexControllerBase extends ControllerBase {
 //
 //  case class SearchForm(query: String, owner: String, repository: String)
 
-  case class OidcContext(state: State, nonce: Nonce, redirectBackURI: String)
+  case class OidcAuthContext(state: State, nonce: Nonce, redirectBackURI: String)
+  case class OidcSessionContext(token: JWT)
 
   get("/") {
     context.loginAccount
       .map { account =>
         val visibleOwnerSet: Set[String] = Set(account.userName) ++ getGroupsByUserName(account.userName)
-        gitbucket.core.html.index(
+        if (!isNewsFeedEnabled) {
-          getRecentActivitiesByOwners(visibleOwnerSet),
+          redirect("/dashboard/repos")
-          getVisibleRepositories(
+        } else {
+          val repos = getVisibleRepositories(
             Some(account),
             None,
             withoutPhysicalInfo = true,
-            limit = context.settings.limitVisibleRepositories
+            limit = false
-          ),
+          )
+
+          gitbucket.core.html.index(
+            activities = getRecentActivitiesByRepos(repos.map(x => (x.owner, x.name)).toSet),
+            recentRepositories = if (context.settings.basicBehavior.limitVisibleRepositories) {
+              repos.filter(x => x.owner == account.userName)
+            } else repos,
             showBannerToCreatePersonalAccessToken = hasAccountFederation(account.userName) && !hasAccessToken(
               account.userName
+            ),
+            enableNewsFeed = isNewsFeedEnabled
           )
-        )
+        }
       }
       .getOrElse {
         gitbucket.core.html.index(
-          getRecentPublicActivities(),
+          activities = getRecentPublicActivities(),
-          getVisibleRepositories(None, withoutPhysicalInfo = true),
+          recentRepositories = getVisibleRepositories(None, withoutPhysicalInfo = true),
-          showBannerToCreatePersonalAccessToken = false
+          showBannerToCreatePersonalAccessToken = false,
+          enableNewsFeed = isNewsFeedEnabled
         )
       }
   }
@@ -120,8 +134,8 @@ trait IndexControllerBase extends ControllerBase {
         case _                             => "/"
       }
       session.setAttribute(
-        Keys.Session.OidcContext,
+        Keys.Session.OidcAuthContext,
-        OidcContext(authenticationRequest.getState, authenticationRequest.getNonce, redirectBackURI)
+        OidcAuthContext(authenticationRequest.getState, authenticationRequest.getNonce, redirectBackURI)
       )
       redirect(authenticationRequest.toURI.toString)
     } getOrElse {
@@ -135,9 +149,10 @@ trait IndexControllerBase extends ControllerBase {
   get("/signin/oidc") {
     context.settings.oidc.map { oidc =>
       val redirectURI = new URI(s"$baseUrl/signin/oidc")
-      session.get(Keys.Session.OidcContext) match {
+      session.get(Keys.Session.OidcAuthContext) match {
-        case Some(context: OidcContext) =>
+        case Some(context: OidcAuthContext) =>
-          authenticate(params.toMap, redirectURI, context.state, context.nonce, oidc).map { account =>
+          authenticate(params.toMap, redirectURI, context.state, context.nonce, oidc).map { case (jwt, account) =>
+            session.setAttribute(Keys.Session.OidcSessionContext, OidcSessionContext(jwt))
             signin(account, context.redirectBackURI)
           } orElse {
             flash.update("error", "Sorry, authentication failed. Please try again.")
@@ -155,7 +170,18 @@ trait IndexControllerBase extends ControllerBase {
   }
 
   get("/signout") {
-    session.invalidate
+    context.settings.oidc.foreach { oidc =>
+      session.get(Keys.Session.OidcSessionContext).foreach { case context: OidcSessionContext =>
+        val redirectURI = new URI(baseUrl)
+        val authenticationRequest = createOIDLogoutRequest(oidc.issuer, oidc.clientID, redirectURI, context.token)
+        session.invalidate()
+        redirect(authenticationRequest.toURI.toString)
+      }
+    }
+    session.invalidate()
+    if (isDevFeatureEnabled(DevFeatures.KeepSession)) {
+      deleteLoginAccountFromLocalFile()
+    }
     redirect("/")
   }
 
@@ -178,6 +204,9 @@ trait IndexControllerBase extends ControllerBase {
    */
   private def signin(account: Account, redirectUrl: String = "/") = {
     session.setAttribute(Keys.Session.LoginAccount, account)
+    if (isDevFeatureEnabled(DevFeatures.KeepSession)) {
+      saveLoginAccountToLocalFile(account)
+    }
     updateLastLoginDate(account.userName)
 
     if (LDAPUtil.isDummyMailAddress(account)) {
@@ -201,7 +230,7 @@ trait IndexControllerBase extends ControllerBase {
     org.json4s.jackson.Serialization.write(
       Map(
         "options" -> (
-          getAllUsers(false)
+          getAllUsers(includeRemoved = false)
             .withFilter { t =>
               (user, group) match {
                 case (true, true)   => true
@@ -234,11 +263,12 @@ trait IndexControllerBase extends ControllerBase {
     } getOrElse ""
   })
 
-  // TODO Move to RepositoryViewrController?
+  // TODO Move to RepositoryViewerController?
   get("/:owner/:repository/search")(referrersOnly { repository =>
     val query = params.getOrElse("q", "").trim
     val target = params.getOrElse("type", "code")
-    val page = try {
+    val page =
+      try {
         val i = params.getOrElse("page", "1").toInt
         if (i <= 0) 1 else i
       } catch {
@@ -248,8 +278,8 @@ trait IndexControllerBase extends ControllerBase {
     target.toLowerCase match {
       case "issues" =>
         gitbucket.core.search.html.issues(
-          if (query.nonEmpty) searchIssues(repository.owner, repository.name, query, false) else Nil,
+          if (query.nonEmpty) searchIssues(repository.owner, repository.name, query, pullRequest = false) else Nil,
-          false,
+          pullRequest = false,
           query,
           page,
           repository
@@ -257,8 +287,8 @@ trait IndexControllerBase extends ControllerBase {
 
       case "pulls" =>
         gitbucket.core.search.html.issues(
-          if (query.nonEmpty) searchIssues(repository.owner, repository.name, query, true) else Nil,
+          if (query.nonEmpty) searchIssues(repository.owner, repository.name, query, pullRequest = true) else Nil,
-          true,
+          pullRequest = true,
           query,
           page,
           repository
@@ -289,19 +319,19 @@ trait IndexControllerBase extends ControllerBase {
         context.loginAccount,
         None,
         withoutPhysicalInfo = true,
-        limit = context.settings.limitVisibleRepositories
+        limit = context.settings.basicBehavior.limitVisibleRepositories
       )
 
     val repositories = {
-      context.settings.limitVisibleRepositories match {
+      if (context.settings.basicBehavior.limitVisibleRepositories) {
-        case true =>
         getVisibleRepositories(
           context.loginAccount,
           None,
           withoutPhysicalInfo = true,
           limit = false
         )
-        case false => visibleRepositories
+      } else {
+        visibleRepositories
       }
     }.filter { repository =>
       repository.name.toLowerCase.indexOf(query) >= 0 || repository.owner.toLowerCase.indexOf(query) >= 0

src/main/scala/gitbucket/core/controller/IssuesController.scala

@@ -1,7 +1,7 @@
 package gitbucket.core.controller
 
 import gitbucket.core.issues.html
-import gitbucket.core.model.Account
+import gitbucket.core.model.{Account, CustomFieldBehavior}
 import gitbucket.core.service.IssuesService._
 import gitbucket.core.service._
 import gitbucket.core.util.Implicits._
@@ -21,6 +21,7 @@ class IssuesController
     with ActivityService
     with HandleCommentService
     with IssueCreationService
+    with CustomFieldsService
     with ReadableUsersAuthenticator
     with ReferrerAuthenticator
     with WritableUsersAuthenticator
@@ -41,6 +42,7 @@ trait IssuesControllerBase extends ControllerBase {
     with ActivityService
     with HandleCommentService
     with IssueCreationService
+    with CustomFieldsService
     with ReadableUsersAuthenticator
     with ReferrerAuthenticator
     with WritableUsersAuthenticator
@@ -51,7 +53,7 @@ trait IssuesControllerBase extends ControllerBase {
   case class IssueCreateForm(
     title: String,
     content: Option[String],
-    assignedUserName: Option[String],
+    assigneeUserNames: Option[String],
     milestoneId: Option[Int],
     priorityId: Option[Int],
     labelNames: Option[String]
@@ -62,7 +64,7 @@ trait IssuesControllerBase extends ControllerBase {
   val issueCreateForm = mapping(
     "title" -> trim(label("Title", text(required))),
     "content" -> trim(optional(text())),
-    "assignedUserName" -> trim(optional(text())),
+    "assigneeUserNames" -> trim(optional(text())),
     "milestoneId" -> trim(optional(number())),
     "priorityId" -> trim(optional(number())),
     "labelNames" -> trim(optional(text()))
@@ -87,17 +89,25 @@ trait IssuesControllerBase extends ControllerBase {
 
   get("/:owner/:repository/issues")(referrersOnly { repository =>
     val q = request.getParameter("q")
-    if (Option(q).exists(_.contains("is:pr"))) {
+    Option(q) match {
+      case Some(filter) if filter.contains("is:pr") =>
         redirect(s"/${repository.owner}/${repository.name}/pulls?q=${StringUtil.urlEncode(q)}")
+      case Some(filter) =>
+        val condition = IssueSearchCondition(filter)
+        if (condition.isEmpty) {
+          // Redirect to keyword search
+          redirect(s"/${repository.owner}/${repository.name}/search?q=${StringUtil.urlEncode(q)}&type=issues")
         } else {
-      searchIssues(repository)
+          searchIssues(repository, condition, IssueSearchCondition.page(request))
+        }
+      case None =>
+        searchIssues(repository, IssueSearchCondition(request), IssueSearchCondition.page(request))
     }
   })
 
   get("/:owner/:repository/issues/:id")(referrersOnly { repository =>
     val issueId = params("id")
-    getIssue(repository.owner, repository.name, issueId) map {
+    getIssue(repository.owner, repository.name, issueId) map { issue =>
-      issue =>
       if (issue.isPullRequest) {
         redirect(s"/${repository.owner}/${repository.name}/pull/${issueId}")
       } else {
@@ -105,10 +115,12 @@ trait IssuesControllerBase extends ControllerBase {
           issue,
           getComments(repository.owner, repository.name, issueId.toInt),
           getIssueLabels(repository.owner, repository.name, issueId.toInt),
+          getIssueAssignees(repository.owner, repository.name, issueId.toInt),
           getAssignableUserNames(repository.owner, repository.name),
           getMilestonesWithIssueCount(repository.owner, repository.name),
           getPriorities(repository.owner, repository.name),
           getLabels(repository.owner, repository.name),
+          getCustomFieldsWithValue(repository.owner, repository.name, issueId.toInt).filter(_._1.enableForIssues),
           isIssueEditable(repository),
           isIssueManageable(repository),
           isIssueCommentManageable(repository),
@@ -126,6 +138,7 @@ trait IssuesControllerBase extends ControllerBase {
         getPriorities(repository.owner, repository.name),
         getDefaultPriority(repository.owner, repository.name),
         getLabels(repository.owner, repository.name),
+        getCustomFields(repository.owner, repository.name).filter(_.enableForIssues),
         isIssueManageable(repository),
         getContentTemplate(repository, "ISSUE_TEMPLATE"),
         repository
@@ -134,29 +147,44 @@ trait IssuesControllerBase extends ControllerBase {
   })
 
   post("/:owner/:repository/issues/new", issueCreateForm)(readableUsersOnly { (form, repository) =>
-    context.withLoginAccount {
+    context.withLoginAccount { loginAccount =>
-      loginAccount =>
       if (isIssueEditable(repository)) { // TODO Should this check is provided by authenticator?
         val issue = createIssue(
           repository,
           form.title,
           form.content,
-            form.assignedUserName,
+          form.assigneeUserNames.toSeq.flatMap(_.split(",")),
           form.milestoneId,
           form.priorityId,
           form.labelNames.toSeq.flatMap(_.split(",")),
           loginAccount
         )
+
+        // Insert custom field values
+        params.toMap.foreach { case (key, value) =>
+          if (key.startsWith("custom-field-")) {
+            getCustomField(
+              repository.owner,
+              repository.name,
+              key.replaceFirst("^custom-field-", "").toInt
+            ).foreach { field =>
+              CustomFieldBehavior.validate(field, value, messages) match {
+                case None =>
+                  insertOrUpdateCustomFieldValue(field, repository.owner, repository.name, issue.issueId, value)
+                case Some(_) => halt(400)
+              }
+            }
+          }
+        }
+
         redirect(s"/${issue.userName}/${issue.repositoryName}/issues/${issue.issueId}")
       } else Unauthorized()
     }
   })
 
   ajaxPost("/:owner/:repository/issues/edit_title/:id", issueTitleEditForm)(readableUsersOnly { (title, repository) =>
-    context.withLoginAccount {
+    context.withLoginAccount { loginAccount =>
-      loginAccount =>
+      getIssue(repository.owner, repository.name, params("id")).map { issue =>
-        getIssue(repository.owner, repository.name, params("id")).map {
-          issue =>
         if (isEditableContent(repository.owner, repository.name, issue.openedUserName, loginAccount)) {
           if (issue.title != title) {
             // update issue
@@ -179,8 +207,7 @@ trait IssuesControllerBase extends ControllerBase {
   })
 
   ajaxPost("/:owner/:repository/issues/edit/:id", issueEditForm)(readableUsersOnly { (content, repository) =>
-    context.withLoginAccount {
+    context.withLoginAccount { loginAccount =>
-      loginAccount =>
       getIssue(repository.owner, repository.name, params("id")).map { issue =>
         if (isEditableContent(repository.owner, repository.name, issue.openedUserName, loginAccount)) {
           // update issue
@@ -195,15 +222,13 @@ trait IssuesControllerBase extends ControllerBase {
   })
 
   post("/:owner/:repository/issue_comments/new", commentForm)(readableUsersOnly { (form, repository) =>
-    context.withLoginAccount {
+    context.withLoginAccount { loginAccount =>
-      loginAccount =>
       getIssue(repository.owner, repository.name, form.issueId.toString).flatMap { issue =>
         val actionOpt =
           params
             .get("action")
             .filter(_ => isEditableContent(issue.userName, issue.repositoryName, issue.openedUserName, loginAccount))
-          handleComment(issue, Some(form.content), repository, actionOpt) map {
+        handleComment(issue, Some(form.content), repository, actionOpt) map { case (issue, id) =>
-            case (issue, id) =>
           redirect(
             s"/${repository.owner}/${repository.name}/${if (issue.isPullRequest) "pull" else "issues"}/${form.issueId}#comment-${id}"
           )
@@ -213,15 +238,13 @@ trait IssuesControllerBase extends ControllerBase {
   })
 
   post("/:owner/:repository/issue_comments/state", issueStateForm)(readableUsersOnly { (form, repository) =>
-    context.withLoginAccount {
+    context.withLoginAccount { loginAccount =>
-      loginAccount =>
       getIssue(repository.owner, repository.name, form.issueId.toString).flatMap { issue =>
         val actionOpt =
           params
             .get("action")
             .filter(_ => isEditableContent(issue.userName, issue.repositoryName, issue.openedUserName, loginAccount))
-          handleComment(issue, form.content, repository, actionOpt) map {
+        handleComment(issue, form.content, repository, actionOpt) map { case (issue, id) =>
-            case (issue, id) =>
           redirect(
             s"/${repository.owner}/${repository.name}/${if (issue.isPullRequest) "pull" else "issues"}/${form.issueId}#comment-${id}"
           )
@@ -231,11 +254,10 @@ trait IssuesControllerBase extends ControllerBase {
   })
 
   ajaxPost("/:owner/:repository/issue_comments/edit/:id", commentForm)(readableUsersOnly { (form, repository) =>
-    context.withLoginAccount {
+    context.withLoginAccount { loginAccount =>
-      loginAccount =>
       getComment(repository.owner, repository.name, params("id")).map { comment =>
         if (isEditableContent(repository.owner, repository.name, comment.commentedUserName, loginAccount)) {
-            updateComment(comment.issueId, comment.commentId, form.content)
+          updateComment(repository.owner, repository.name, comment.issueId, comment.commentId, form.content)
           redirect(s"/${repository.owner}/${repository.name}/issue_comments/_data/${comment.commentId}")
         } else Unauthorized()
       } getOrElse NotFound()
@@ -253,10 +275,8 @@ trait IssuesControllerBase extends ControllerBase {
   })
 
   ajaxGet("/:owner/:repository/issues/_data/:id")(readableUsersOnly { repository =>
-    context.withLoginAccount {
+    context.withLoginAccount { loginAccount =>
-      loginAccount =>
+      getIssue(repository.owner, repository.name, params("id")) map { x =>
-        getIssue(repository.owner, repository.name, params("id")) map {
-          x =>
         if (isEditableContent(x.userName, x.repositoryName, x.openedUserName, loginAccount)) {
           params.get("dataType") collect {
             case t if t == "html" => html.editissue(x.content, x.issueId, repository)
@@ -285,10 +305,8 @@ trait IssuesControllerBase extends ControllerBase {
   })
 
   ajaxGet("/:owner/:repository/issue_comments/_data/:id")(readableUsersOnly { repository =>
-    context.withLoginAccount {
+    context.withLoginAccount { loginAccount =>
-      loginAccount =>
+      getComment(repository.owner, repository.name, params("id")) map { x =>
-        getComment(repository.owner, repository.name, params("id")) map {
-          x =>
         if (isEditableContent(x.userName, x.repositoryName, x.commentedUserName, loginAccount)) {
           params.get("dataType") collect {
             case t if t == "html" => html.editcomment(x.content, x.commentId, repository)
@@ -333,15 +351,16 @@ trait IssuesControllerBase extends ControllerBase {
     html.labellist(getIssueLabels(repository.owner, repository.name, issueId))
   })
 
-  ajaxPost("/:owner/:repository/issues/:id/assign")(writableUsersOnly { repository =>
+  ajaxPost("/:owner/:repository/issues/:id/assignee/new")(writableUsersOnly { repository =>
-    updateAssignedUserName(
+    val issueId = params("id").toInt
-      repository.owner,
+    registerIssueAssignee(repository.owner, repository.name, issueId, params("assigneeUserName"), true)
-      repository.name,
+    Ok()
-      params("id").toInt,
+  })
-      assignedUserName("assignedUserName"),
+
-      true
+  ajaxPost("/:owner/:repository/issues/:id/assignee/delete")(writableUsersOnly { repository =>
-    )
+    val issueId = params("id").toInt
-    Ok("updated")
+    deleteIssueAssignee(repository.owner, repository.name, issueId, params("assigneeUserName"), true)
+    Ok()
   })
 
   ajaxPost("/:owner/:repository/issues/:id/milestone")(writableUsersOnly { repository =>
@@ -349,8 +368,7 @@ trait IssuesControllerBase extends ControllerBase {
     milestoneId("milestoneId").map { milestoneId =>
       getMilestonesWithIssueCount(repository.owner, repository.name)
         .find(_._1.milestoneId == milestoneId)
-        .map {
+        .map { case (_, openCount, closeCount) =>
-          case (_, openCount, closeCount) =>
           gitbucket.core.issues.milestones.html.progress(openCount + closeCount, closeCount)
         } getOrElse NotFound()
     } getOrElse Ok()
@@ -362,6 +380,35 @@ trait IssuesControllerBase extends ControllerBase {
     Ok("updated")
   })
 
+  ajaxPost("/:owner/:repository/issues/customfield_validation/:fieldId")(writableUsersOnly { repository =>
+    val fieldId = params("fieldId").toInt
+    val value = params("value")
+    getCustomField(repository.owner, repository.name, fieldId)
+      .flatMap { field =>
+        CustomFieldBehavior.validate(field, value, messages).map { error =>
+          Ok(error)
+        }
+      }
+      .getOrElse(Ok())
+  })
+
+  ajaxPost("/:owner/:repository/issues/:id/customfield/:fieldId")(writableUsersOnly { repository =>
+    val issueId = params("id").toInt
+    val fieldId = params("fieldId").toInt
+    val value = params("value")
+
+    for {
+      _ <- getIssue(repository.owner, repository.name, issueId.toString)
+      field <- getCustomField(repository.owner, repository.name, fieldId)
+    } {
+      CustomFieldBehavior.validate(field, value, messages) match {
+        case None    => insertOrUpdateCustomFieldValue(field, repository.owner, repository.name, issueId, value)
+        case Some(_) => halt(400)
+      }
+    }
+    Ok(value)
+  })
+
   post("/:owner/:repository/issues/batchedit/state")(writableUsersOnly { repository =>
     val action = params.get("value")
     action match {
@@ -403,7 +450,13 @@ trait IssuesControllerBase extends ControllerBase {
   post("/:owner/:repository/issues/batchedit/assign")(writableUsersOnly { repository =>
     val value = assignedUserName("value")
     executeBatch(repository) {
-      updateAssignedUserName(repository.owner, repository.name, _, value, true)
+      // updateAssignedUserName(repository.owner, repository.name, _, value, true)
+      value match {
+        case Some(assignedUserName) =>
+          registerIssueAssignee(repository.owner, repository.name, _, assignedUserName, true)
+        case None =>
+          deleteAllIssueAssignees(repository.owner, repository.name, _, true)
+      }
     }
     if (params("uri").nonEmpty) {
       redirect(params("uri"))
@@ -471,10 +524,7 @@ trait IssuesControllerBase extends ControllerBase {
     }
   }
 
-  private def searchIssues(repository: RepositoryService.RepositoryInfo) = {
+  private def searchIssues(repository: RepositoryService.RepositoryInfo, condition: IssueSearchCondition, page: Int) = {
-    val page = IssueSearchCondition.page(request)
-    // retrieve search condition
-    val condition = IssueSearchCondition(request)
     // search issues
     val issues =
       searchIssue(
@@ -505,8 +555,8 @@ trait IssuesControllerBase extends ControllerBase {
   /**
    * Tests whether an issue or a comment is editable by a logged-in user.
    */
-  private def isEditableContent(owner: String, repository: String, author: String, loginAccount: Account)(
+  private def isEditableContent(owner: String, repository: String, author: String, loginAccount: Account)(implicit
-    implicit context: Context
+    context: Context
   ): Boolean = {
     hasDeveloperRole(owner, repository, context.loginAccount) || author == loginAccount.userName
   }
@@ -514,8 +564,8 @@ trait IssuesControllerBase extends ControllerBase {
   /**
    * Tests whether an issue comment is deletable by a logged-in user.
    */
-  private def isDeletableComment(owner: String, repository: String, author: String, loginAccount: Account)(
+  private def isDeletableComment(owner: String, repository: String, author: String, loginAccount: Account)(implicit
-    implicit context: Context
+    context: Context
   ): Boolean = {
     hasOwnerRole(owner, repository, context.loginAccount) || author == loginAccount.userName
   }

src/main/scala/gitbucket/core/controller/LabelsController.scala

@@ -44,7 +44,7 @@ trait LabelsControllerBase extends ControllerBase {
   get("/:owner/:repository/issues/labels")(referrersOnly { repository =>
     html.list(
       getLabels(repository.owner, repository.name),
-      countIssueGroupByLabels(repository.owner, repository.name, IssuesService.IssueSearchCondition(), Map.empty),
+      countIssueGroupByLabels(repository.owner, repository.name, IssuesService.IssueSearchCondition()),
       repository,
       hasDeveloperRole(repository.owner, repository.name, context.loginAccount)
     )
@@ -59,7 +59,7 @@ trait LabelsControllerBase extends ControllerBase {
     html.label(
       getLabel(repository.owner, repository.name, labelId).get,
       // TODO futility
-      countIssueGroupByLabels(repository.owner, repository.name, IssuesService.IssueSearchCondition(), Map.empty),
+      countIssueGroupByLabels(repository.owner, repository.name, IssuesService.IssueSearchCondition()),
       repository,
       hasDeveloperRole(repository.owner, repository.name, context.loginAccount)
     )
@@ -76,7 +76,7 @@ trait LabelsControllerBase extends ControllerBase {
     html.label(
       getLabel(repository.owner, repository.name, params("labelId").toInt).get,
       // TODO futility
-      countIssueGroupByLabels(repository.owner, repository.name, IssuesService.IssueSearchCondition(), Map.empty),
+      countIssueGroupByLabels(repository.owner, repository.name, IssuesService.IssueSearchCondition()),
       repository,
       hasDeveloperRole(repository.owner, repository.name, context.loginAccount)
     )

src/main/scala/gitbucket/core/controller/PreProcessController.scala

@@ -29,13 +29,15 @@ trait PreProcessControllerBase extends ControllerBase {
    * If anonymous access is allowed, pass all requests.
    * But if it's not allowed, demands authentication except some paths.
    */
-  get(!context.settings.allowAnonymousAccess, context.loginAccount.isEmpty) {
+  get(!context.settings.basicBehavior.allowAnonymousAccess, context.loginAccount.isEmpty) {
-    if (!context.currentPath.startsWith("/assets") && !context.currentPath.startsWith("/signin") &&
+    if (
+      !context.currentPath.startsWith("/assets") && !context.currentPath.startsWith("/signin") &&
       !context.currentPath.startsWith("/register") && !context.currentPath.endsWith("/info/refs") &&
       !context.currentPath.startsWith("/plugin-assets") &&
       !PluginRegistry().getAnonymousAccessiblePaths().exists { path =>
         context.currentPath.startsWith(path)
-        }) {
+      }
+    ) {
       Unauthorized()
     } else {
       pass()

src/main/scala/gitbucket/core/controller/PrioritiesController.scala

@@ -45,7 +45,7 @@ trait PrioritiesControllerBase extends ControllerBase {
   get("/:owner/:repository/issues/priorities")(referrersOnly { repository =>
     html.list(
       getPriorities(repository.owner, repository.name),
-      countIssueGroupByPriorities(repository.owner, repository.name, IssuesService.IssueSearchCondition(), Map.empty),
+      countIssueGroupByPriorities(repository.owner, repository.name, IssuesService.IssueSearchCondition()),
       repository,
       hasDeveloperRole(repository.owner, repository.name, context.loginAccount)
     )
@@ -60,7 +60,7 @@ trait PrioritiesControllerBase extends ControllerBase {
       createPriority(repository.owner, repository.name, form.priorityName, form.description, form.color.substring(1))
     html.priority(
       getPriority(repository.owner, repository.name, priorityId).get,
-      countIssueGroupByPriorities(repository.owner, repository.name, IssuesService.IssueSearchCondition(), Map.empty),
+      countIssueGroupByPriorities(repository.owner, repository.name, IssuesService.IssueSearchCondition()),
       repository,
       hasDeveloperRole(repository.owner, repository.name, context.loginAccount)
     )
@@ -84,7 +84,7 @@ trait PrioritiesControllerBase extends ControllerBase {
       )
       html.priority(
         getPriority(repository.owner, repository.name, params("priorityId").toInt).get,
-        countIssueGroupByPriorities(repository.owner, repository.name, IssuesService.IssueSearchCondition(), Map.empty),
+        countIssueGroupByPriorities(repository.owner, repository.name, IssuesService.IssueSearchCondition()),
         repository,
         hasDeveloperRole(repository.owner, repository.name, context.loginAccount)
       )

src/main/scala/gitbucket/core/controller/PullRequestsController.scala

@@ -25,6 +25,7 @@ class PullRequestsController
     with PullRequestService
     with MilestonesService
     with LabelsService
+    with CustomFieldsService
     with CommitsService
     with ActivityService
     with WebHookPullRequestService
@@ -44,6 +45,7 @@ trait PullRequestsControllerBase extends ControllerBase {
     with IssuesService
     with MilestonesService
     with LabelsService
+    with CustomFieldsService
     with CommitsService
     with ActivityService
     with PullRequestService
@@ -67,7 +69,7 @@ trait PullRequestsControllerBase extends ControllerBase {
     "commitIdFrom" -> trim(text(required, maxlength(40))),
     "commitIdTo" -> trim(text(required, maxlength(40))),
     "isDraft" -> trim(boolean(required)),
-    "assignedUserName" -> trim(optional(text())),
+    "assigneeUserNames" -> trim(optional(text())),
     "milestoneId" -> trim(optional(number())),
     "priorityId" -> trim(optional(number())),
     "labelNames" -> trim(optional(text()))
@@ -90,7 +92,7 @@ trait PullRequestsControllerBase extends ControllerBase {
     commitIdFrom: String,
     commitIdTo: String,
     isDraft: Boolean,
-    assignedUserName: Option[String],
+    assigneeUserNames: Option[String],
     milestoneId: Option[Int],
     priorityId: Option[Int],
     labelNames: Option[String]
@@ -100,18 +102,25 @@ trait PullRequestsControllerBase extends ControllerBase {
 
   get("/:owner/:repository/pulls")(referrersOnly { repository =>
     val q = request.getParameter("q")
-    if (Option(q).exists(_.contains("is:issue"))) {
+    Option(q) match {
-      redirect(s"/${repository.owner}/${repository.name}/issues?q=" + StringUtil.urlEncode(q))
+      case Some(filter) if filter.contains("is:issue") =>
+        redirect(s"/${repository.owner}/${repository.name}/issues?q=${StringUtil.urlEncode(q)}")
+      case Some(filter) =>
+        val condition = IssueSearchCondition(filter)
+        if (condition.isEmpty) {
+          // Redirect to keyword search
+          redirect(s"/${repository.owner}/${repository.name}/search?q=${StringUtil.urlEncode(q)}&type=pulls")
         } else {
-      searchPullRequests(None, repository)
+          searchPullRequests(repository, IssueSearchCondition(filter), IssueSearchCondition.page(request))
+        }
+      case None =>
+        searchPullRequests(repository, IssueSearchCondition(request), IssueSearchCondition.page(request))
     }
   })
 
   get("/:owner/:repository/pull/:id")(referrersOnly { repository =>
-    params("id").toIntOpt.flatMap {
+    params("id").toIntOpt.flatMap { issueId =>
-      issueId =>
+      getPullRequest(repository.owner, repository.name, issueId) map { case (issue, pullreq) =>
-        getPullRequest(repository.owner, repository.name, issueId) map {
-          case (issue, pullreq) =>
         val (commits, diffs) =
           getRequestCompareInfo(
             repository.owner,
@@ -119,7 +128,8 @@ trait PullRequestsControllerBase extends ControllerBase {
             pullreq.commitIdFrom,
             repository.owner,
             repository.name,
-                pullreq.commitIdTo
+            pullreq.commitIdTo,
+            context.settings
           )
 
         html.conversation(
@@ -129,10 +139,12 @@ trait PullRequestsControllerBase extends ControllerBase {
           getPullRequestComments(repository.owner, repository.name, issue.issueId, commits.flatten),
           diffs.size,
           getIssueLabels(repository.owner, repository.name, issueId),
+          getIssueAssignees(repository.owner, repository.name, issueId),
           getAssignableUserNames(repository.owner, repository.name),
           getMilestonesWithIssueCount(repository.owner, repository.name),
           getPriorities(repository.owner, repository.name),
           getLabels(repository.owner, repository.name),
+          getCustomFieldsWithValue(repository.owner, repository.name, issueId).filter(_._1.enableForPullRequests),
           isEditable(repository),
           isManageable(repository),
           hasDeveloperRole(pullreq.requestUserName, pullreq.requestRepositoryName, context.loginAccount),
@@ -140,34 +152,13 @@ trait PullRequestsControllerBase extends ControllerBase {
           getRepository(pullreq.requestUserName, pullreq.requestRepositoryName),
           flash.iterator.map(f => f._1 -> f._2.toString).toMap
         )
-
-//                html.pullreq(
-//                  issue,
-//                  pullreq,
-//                  comments,
-//                  getIssueLabels(owner, name, issueId),
-//                  getAssignableUserNames(owner, name),
-//                  getMilestonesWithIssueCount(owner, name),
-//                  getPriorities(owner, name),
-//                  getLabels(owner, name),
-//                  commits,
-//                  diffs,
-//                  isEditable(repository),
-//                  isManageable(repository),
-//                  hasDeveloperRole(pullreq.requestUserName, pullreq.requestRepositoryName, context.loginAccount),
-//                  repository,
-//                  getRepository(pullreq.requestUserName, pullreq.requestRepositoryName),
-//                  flash.toMap.map(f => f._1 -> f._2.toString)
-//                )
       }
     } getOrElse NotFound()
   })
 
   get("/:owner/:repository/pull/:id/commits")(referrersOnly { repository =>
-    params("id").toIntOpt.flatMap {
+    params("id").toIntOpt.flatMap { issueId =>
-      issueId =>
+      getPullRequest(repository.owner, repository.name, issueId) map { case (issue, pullreq) =>
-        getPullRequest(repository.owner, repository.name, issueId) map {
-          case (issue, pullreq) =>
         val (commits, diffs) =
           getRequestCompareInfo(
             repository.owner,
@@ -175,7 +166,8 @@ trait PullRequestsControllerBase extends ControllerBase {
             pullreq.commitIdFrom,
             repository.owner,
             repository.name,
-                pullreq.commitIdTo
+            pullreq.commitIdTo,
+            context.settings
           )
 
         val commitsWithStatus = commits.map { day =>
@@ -198,10 +190,8 @@ trait PullRequestsControllerBase extends ControllerBase {
   })
 
   get("/:owner/:repository/pull/:id/files")(referrersOnly { repository =>
-    params("id").toIntOpt.flatMap {
+    params("id").toIntOpt.flatMap { issueId =>
-      issueId =>
+      getPullRequest(repository.owner, repository.name, issueId) map { case (issue, pullreq) =>
-        getPullRequest(repository.owner, repository.name, issueId) map {
-          case (issue, pullreq) =>
         val (commits, diffs) =
           getRequestCompareInfo(
             repository.owner,
@@ -209,7 +199,8 @@ trait PullRequestsControllerBase extends ControllerBase {
             pullreq.commitIdFrom,
             repository.owner,
             repository.name,
-                pullreq.commitIdTo
+            pullreq.commitIdTo,
+            context.settings
           )
 
         html.files(
@@ -226,10 +217,8 @@ trait PullRequestsControllerBase extends ControllerBase {
   })
 
   ajaxGet("/:owner/:repository/pull/:id/mergeguide")(referrersOnly { repository =>
-    params("id").toIntOpt.flatMap {
+    params("id").toIntOpt.flatMap { issueId =>
-      issueId =>
+      getPullRequest(repository.owner, repository.name, issueId) map { case (issue, pullreq) =>
-        getPullRequest(repository.owner, repository.name, issueId) map {
-          case (issue, pullreq) =>
         val conflictMessage = LockUtil.lock(s"${repository.owner}/${repository.name}") {
           checkConflict(repository.owner, repository.name, pullreq.branch, issueId)
         }
@@ -239,9 +228,8 @@ trait PullRequestsControllerBase extends ControllerBase {
           conflictMessage = conflictMessage,
           commitStatuses = getCommitStatuses(repository.owner, repository.name, pullreq.commitIdTo),
           branchProtection = branchProtection,
-              branchIsOutOfDate = JGitUtil.getShaByRef(repository.owner, repository.name, pullreq.branch) != Some(
+          branchIsOutOfDate =
-                pullreq.commitIdFrom
+            !JGitUtil.getShaByRef(repository.owner, repository.name, pullreq.branch).contains(pullreq.commitIdFrom),
-              ),
           needStatusCheck = context.loginAccount.forall { u =>
             branchProtection.needStatusCheck(u.userName)
           },
@@ -326,7 +314,9 @@ trait PullRequestsControllerBase extends ControllerBase {
       } else {
         LockUtil.lock(s"${owner}/${name}") {
           val alias =
-            if (pullreq.repositoryName == pullreq.requestRepositoryName && pullreq.userName == pullreq.requestUserName) {
+            if (
+              pullreq.repositoryName == pullreq.requestRepositoryName && pullreq.userName == pullreq.requestUserName
+            ) {
               pullreq.branch
             } else {
               s"${pullreq.userName}:${pullreq.branch}"
@@ -392,11 +382,10 @@ trait PullRequestsControllerBase extends ControllerBase {
   })
 
   get("/:owner/:repository/compare")(referrersOnly { forkedRepository =>
-    val headBranch: Option[String] = params.get("head")
+    val headBranch = params.get("head")
     (forkedRepository.repository.originUserName, forkedRepository.repository.originRepositoryName) match {
-      case (Some(originUserName), Some(originRepositoryName)) => {
+      case (Some(originUserName), Some(originRepositoryName)) =>
-        getRepository(originUserName, originRepositoryName).map {
+        getRepository(originUserName, originRepositoryName).map { originRepository =>
-          originRepository =>
           Using.resources(
             Git.open(getRepositoryDir(originUserName, originRepositoryName)),
             Git.open(getRepositoryDir(forkedRepository.owner, forkedRepository.name))
@@ -411,11 +400,9 @@ trait PullRequestsControllerBase extends ControllerBase {
             )
           }
         } getOrElse NotFound()
-      }
+      case _ =>
-      case _ => {
         Using.resource(Git.open(getRepositoryDir(forkedRepository.owner, forkedRepository.name))) { git =>
-          JGitUtil.getDefaultBranch(git, forkedRepository).map {
+          JGitUtil.getDefaultBranch(git, forkedRepository).map { case (_, defaultBranch) =>
-            case (_, defaultBranch) =>
             redirect(
               s"/${forkedRepository.owner}/${forkedRepository.name}/compare/${defaultBranch}...${headBranch.getOrElse(defaultBranch)}"
             )
@@ -424,15 +411,14 @@ trait PullRequestsControllerBase extends ControllerBase {
           }
         }
     }
-    }
   })
 
-  get("/:owner/:repository/compare/*...*")(referrersOnly { forkedRepository =>
+  private def getOriginRepositoryName(
-    val Seq(origin, forked) = multiParams("splat")
+    originOwner: String,
-    val (originOwner, originId) = parseCompareIdentifier(origin, forkedRepository.owner)
+    forkedOwner: String,
-    val (forkedOwner, forkedId) = parseCompareIdentifier(forked, forkedRepository.owner)
+    forkedRepository: RepositoryInfo
-
+  ): Option[String] = {
-    (for (originRepositoryName <- if (originOwner == forkedOwner) {
+    if (originOwner == forkedOwner) {
       // Self repository
       Some(forkedRepository.name)
     } else if (forkedRepository.repository.originUserName.isEmpty) {
@@ -451,20 +437,31 @@ trait PullRequestsControllerBase extends ControllerBase {
           x.repository.originRepositoryName == forkedRepository.repository.originRepositoryName
         }
         .map(_.repository.repositoryName)
-          };
+    }
-          originRepository <- getRepository(originOwner, originRepositoryName)) yield {
+  }
+
+  get("/:owner/:repository/compare/*...*")(referrersOnly { forkedRepository =>
+    val Seq(origin, forked) = multiParams("splat")
+    val (originOwner, originId) = parseCompareIdentifier(origin, forkedRepository.owner)
+    val (forkedOwner, forkedId) = parseCompareIdentifier(forked, forkedRepository.owner)
+
+    (for (
+      originRepositoryName <- getOriginRepositoryName(originOwner, forkedOwner, forkedRepository);
+      originRepository <- getRepository(originOwner, originRepositoryName)
+    ) yield {
       val (oldId, newId) =
         getPullRequestCommitFromTo(originRepository, forkedRepository, originId, forkedId)
 
       (oldId, newId) match {
-        case (Some(oldId), Some(newId)) => {
+        case (Some(oldId), Some(newId)) =>
           val (commits, diffs) = getRequestCompareInfo(
             originRepository.owner,
             originRepository.name,
             oldId.getName,
             forkedRepository.owner,
             forkedRepository.name,
-            newId.getName
+            newId.getName,
+            context.settings
           )
 
           val title = if (commits.flatten.length == 1) {
@@ -505,9 +502,9 @@ trait PullRequestsControllerBase extends ControllerBase {
             getMilestones(originRepository.owner, originRepository.name),
             getPriorities(originRepository.owner, originRepository.name),
             getDefaultPriority(originRepository.owner, originRepository.name),
-            getLabels(originRepository.owner, originRepository.name)
+            getLabels(originRepository.owner, originRepository.name),
+            getCustomFields(originRepository.owner, originRepository.name).filter(_.enableForPullRequests)
           )
-        }
         case (oldId, newId) =>
           redirect(
             s"/${forkedRepository.owner}/${forkedRepository.name}/compare/" +
@@ -519,12 +516,62 @@ trait PullRequestsControllerBase extends ControllerBase {
     }) getOrElse NotFound()
   })
 
+  ajaxGet("/:owner/:repository/diff/:id")(referrersOnly { repository =>
+    (for {
+      commitId <- params.get("id")
+      path <- params.get("path")
+      diff <- getSingleDiff(repository.owner, repository.name, commitId, path)
+    } yield {
+      contentType = formats("json")
+      org.json4s.jackson.Serialization.write(
+        Map(
+          "oldContent" -> diff.oldContent,
+          "newContent" -> diff.newContent
+        )
+      )
+    }) getOrElse NotFound()
+  })
+
+  ajaxGet("/:owner/:repository/diff/*...*")(referrersOnly { forkedRepository =>
+    val Seq(origin, forked) = multiParams("splat")
+    val (originOwner, originId) = parseCompareIdentifier(origin, forkedRepository.owner)
+    val (forkedOwner, forkedId) = parseCompareIdentifier(forked, forkedRepository.owner)
+
+    (for {
+      path <- params.get("path")
+      originRepositoryName <- getOriginRepositoryName(originOwner, forkedOwner, forkedRepository)
+      originRepository <- getRepository(originOwner, originRepositoryName)
+      (oldId, newId) = getPullRequestCommitFromTo(originRepository, forkedRepository, originId, forkedId)
+      oldId <- oldId
+      newId <- newId
+      diff <- getSingleDiff(
+        originRepository.owner,
+        originRepository.name,
+        oldId.getName,
+        forkedRepository.owner,
+        forkedRepository.name,
+        newId.getName,
+        path
+      )
+    } yield {
+      contentType = formats("json")
+      org.json4s.jackson.Serialization.write(
+        Map(
+          "oldContent" -> diff.oldContent,
+          "newContent" -> diff.newContent
+        )
+      )
+    }) getOrElse NotFound()
+  })
+
   ajaxGet("/:owner/:repository/compare/*...*/mergecheck")(readableUsersOnly { forkedRepository =>
     val Seq(origin, forked) = multiParams("splat")
     val (originOwner, tmpOriginBranch) = parseCompareIdentifier(origin, forkedRepository.owner)
     val (forkedOwner, tmpForkedBranch) = parseCompareIdentifier(forked, forkedRepository.owner)
 
-    (for (originRepositoryName <- if (originOwner == forkedOwner) {
+    (for (
+      originRepositoryName <-
+        if (originOwner == forkedOwner) {
           Some(forkedRepository.name)
         } else {
           forkedRepository.repository.originRepositoryName.orElse {
@@ -533,12 +580,12 @@ trait PullRequestsControllerBase extends ControllerBase {
               .map(_.repositoryName)
           }
         };
-          originRepository <- getRepository(originOwner, originRepositoryName)) yield {
+      originRepository <- getRepository(originOwner, originRepositoryName)
+    ) yield {
       Using.resources(
         Git.open(getRepositoryDir(originRepository.owner, originRepository.name)),
         Git.open(getRepositoryDir(forkedRepository.owner, forkedRepository.name))
-      ) {
+      ) { case (oldGit, newGit) =>
-        case (oldGit, newGit) =>
         val originBranch = JGitUtil.getDefaultBranch(oldGit, originRepository, tmpOriginBranch).get._2
         val forkedBranch = JGitUtil.getDefaultBranch(newGit, forkedRepository, tmpForkedBranch).get._2
         val conflict = LockUtil.lock(s"${originRepository.owner}/${originRepository.name}") {
@@ -557,8 +604,7 @@ trait PullRequestsControllerBase extends ControllerBase {
   })
 
   post("/:owner/:repository/pulls/new", pullRequestForm)(readableUsersOnly { (form, repository) =>
-    context.withLoginAccount {
+    context.withLoginAccount { loginAccount =>
-      loginAccount =>
       val manageable = isManageable(repository)
 
       val issueId = insertIssue(
@@ -567,7 +613,6 @@ trait PullRequestsControllerBase extends ControllerBase {
         loginUser = loginAccount.userName,
         title = form.title,
         content = form.content,
-          assignedUserName = if (manageable) form.assignedUserName else None,
         milestoneId = if (manageable) form.milestoneId else None,
         priorityId = if (manageable) form.priorityId else None,
         isPullRequest = true
@@ -587,8 +632,14 @@ trait PullRequestsControllerBase extends ControllerBase {
         settings = context.settings
       )
 
-        // insert labels
       if (manageable) {
+        // insert assignees
+        form.assigneeUserNames.foreach { value =>
+          value.split(",").foreach { userName =>
+            registerIssueAssignee(repository.owner, repository.name, issueId, userName)
+          }
+        }
+        // insert labels
         form.labelNames.foreach { value =>
           val labels = getLabels(repository.owner, repository.name)
           value.split(",").foreach { labelName =>
@@ -609,8 +660,7 @@ trait PullRequestsControllerBase extends ControllerBase {
       context.loginAccount.map(x => Seq(x.mailAddress) ++ getAccountExtraMailAddresses(x.userName)).getOrElse(Nil)
 
     val branches =
-      Using.resource(Git.open(getRepositoryDir(repository.owner, repository.name))) {
+      Using.resource(Git.open(getRepositoryDir(repository.owner, repository.name))) { git =>
-        git =>
         JGitUtil
           .getBranches(
             git = git,
@@ -646,10 +696,11 @@ trait PullRequestsControllerBase extends ControllerBase {
     html.proposals(proposedBranches, targetRepository, repository)
   })
 
-  private def searchPullRequests(userName: Option[String], repository: RepositoryService.RepositoryInfo) = {
+  private def searchPullRequests(
-    val page = IssueSearchCondition.page(request)
+    repository: RepositoryService.RepositoryInfo,
-    // retrieve search condition
+    condition: IssueSearchCondition,
-    val condition = IssueSearchCondition(request)
+    page: Int
+  ) = {
     // search issues
     val issues = searchIssue(
       condition,

src/main/scala/gitbucket/core/controller/ReleasesController.scala

@@ -106,8 +106,7 @@ trait ReleaseControllerBase extends ControllerBase {
   })
 
   post("/:owner/:repository/releases/*/create", releaseForm)(writableUsersOnly { (form, repository) =>
-    context.withLoginAccount {
+    context.withLoginAccount { loginAccount =>
-      loginAccount =>
       val tagName = multiParams("splat").head
 
       // Insert into RELEASE
@@ -119,8 +118,7 @@ trait ReleaseControllerBase extends ControllerBase {
           val Array(_, fileId) = name.split(":")
           (fileId, value)
       }
-        files.foreach {
+      files.foreach { case (fileId, fileName) =>
-          case (fileId, fileName) =>
         val size =
           new File(
             getReleaseFilesDir(repository.owner, repository.name),
@@ -138,7 +136,7 @@ trait ReleaseControllerBase extends ControllerBase {
 
   get("/:owner/:repository/changelog/*...*")(writableUsersOnly { repository =>
     val Seq(previousTag, currentTag) = multiParams("splat")
-    val previousTagId = repository.tags.collectFirst { case x if x.name == previousTag => x.id }.getOrElse("")
+    val previousTagId = repository.tags.collectFirst { case x if x.name == previousTag => x.commitId }.getOrElse("")
 
     val commitLog = Using.resource(Git.open(getRepositoryDir(repository.owner, repository.name))) { git =>
       val commits = JGitUtil.getCommitLog(git, previousTagId, currentTag).reverse
@@ -171,13 +169,11 @@ trait ReleaseControllerBase extends ControllerBase {
   })
 
   post("/:owner/:repository/releases/*/edit", releaseForm)(writableUsersOnly { (form, repository) =>
-    context.withLoginAccount {
+    context.withLoginAccount { loginAccount =>
-      loginAccount =>
       val tagName = multiParams("splat").head
 
       getRelease(repository.owner, repository.name, tagName)
-          .map {
+        .map { release =>
-            release =>
           // Update RELEASE
           updateRelease(repository.owner, repository.name, tagName, form.name, form.content)
 
@@ -190,8 +186,7 @@ trait ReleaseControllerBase extends ControllerBase {
               val Array(_, fileId) = name.split(":")
               (fileId, value)
           }
-              files.foreach {
+          files.foreach { case (fileId, fileName) =>
-                case (fileId, fileName) =>
             val size =
               new File(
                 getReleaseFilesDir(repository.owner, repository.name),
@@ -237,9 +232,12 @@ trait ReleaseControllerBase extends ControllerBase {
     val assets = getReleaseAssetsMap(repository.owner, repository.name, releases)
 
     val tagsWithReleases = tagsToDisplay.map { tag =>
-      (tag, releases.find(_.tag == tag.name).map { release =>
+      (
+        tag,
+        releases.find(_.tag == tag.name).map { release =>
           (release, assets(release))
-      })
+        }
+      )
     }
     tagsWithReleases
   }

src/main/scala/gitbucket/core/controller/RepositorySettingsController.scala

@@ -2,7 +2,6 @@ package gitbucket.core.controller
 
 import java.time.{LocalDateTime, ZoneOffset}
 import java.util.Date
-
 import gitbucket.core.settings.html
 import gitbucket.core.model.{RepositoryWebHook, WebHook}
 import gitbucket.core.service._
@@ -21,7 +20,7 @@ import org.eclipse.jgit.lib.Constants
 import org.eclipse.jgit.lib.ObjectId
 
 import scala.util.Using
-import org.scalatra.Forbidden
+import org.scalatra.{Forbidden, Ok}
 
 class RepositorySettingsController
     extends RepositorySettingsControllerBase
@@ -31,6 +30,7 @@ class RepositorySettingsController
     with ProtectedBranchService
     with CommitStatusService
     with DeployKeyService
+    with CustomFieldsService
     with ActivityService
     with OwnerAuthenticator
     with UsersAuthenticator
@@ -43,6 +43,7 @@ trait RepositorySettingsControllerBase extends ControllerBase {
     with ProtectedBranchService
     with CommitStatusService
     with DeployKeyService
+    with CustomFieldsService
     with ActivityService
     with OwnerAuthenticator
     with UsersAuthenticator =>
@@ -121,6 +122,23 @@ trait RepositorySettingsControllerBase extends ControllerBase {
     "newOwner" -> trim(label("New owner", text(required, transferUser)))
   )(TransferOwnerShipForm.apply)
 
+  // for custom field
+  case class CustomFieldForm(
+    fieldName: String,
+    fieldType: String,
+    constraints: Option[String],
+    enableForIssues: Boolean,
+    enableForPullRequests: Boolean
+  )
+
+  val customFieldForm = mapping(
+    "fieldName" -> trim(label("Field name", text(required, maxlength(100)))),
+    "fieldType" -> trim(label("Field type", text(required))),
+    "constraints" -> trim(label("Constraints", optional(text()))),
+    "enableForIssues" -> trim(label("Enable for issues", boolean(required))),
+    "enableForPullRequests" -> trim(label("Enable for pull requests", boolean(required))),
+  )(CustomFieldForm.apply)
+
   /**
    * Redirect to the Options page.
    */
@@ -268,8 +286,7 @@ trait RepositorySettingsControllerBase extends ControllerBase {
         Array(h.getName, h.getValue)
       }
 
-    Using.resource(Git.open(getRepositoryDir(repository.owner, repository.name))) {
+    Using.resource(Git.open(getRepositoryDir(repository.owner, repository.name))) { git =>
-      git =>
       import scala.concurrent.duration._
       import scala.concurrent._
       import scala.jdk.CollectionConverters._
@@ -330,8 +347,7 @@ trait RepositorySettingsControllerBase extends ControllerBase {
           "url" -> url,
           "request" -> Await.result(
             reqFuture
-                .map(
+              .map(req =>
-                  req =>
                 Map(
                   "headers" -> _headers(req.getAllHeaders),
                   "payload" -> json
@@ -342,8 +358,7 @@ trait RepositorySettingsControllerBase extends ControllerBase {
           ),
           "response" -> Await.result(
             resFuture
-                .map(
+              .map(res =>
-                  res =>
                 Map(
                   "status" -> res.getStatusLine.getStatusCode,
                   "body" -> EntityUtils.toString(res.getEntity()),
@@ -362,8 +377,7 @@ trait RepositorySettingsControllerBase extends ControllerBase {
    * Display the web hook edit page.
    */
   get("/:owner/:repository/settings/hooks/edit")(ownerOnly { repository =>
-    getWebHook(repository.owner, repository.name, params("url")).map {
+    getWebHook(repository.owner, repository.name, params("url")).map { case (webhook, events) =>
-      case (webhook, events) =>
       html.edithook(webhook, events, repository, false)
     } getOrElse NotFound()
   })
@@ -388,9 +402,8 @@ trait RepositorySettingsControllerBase extends ControllerBase {
    * Rename repository.
    */
   post("/:owner/:repository/settings/rename", renameForm)(ownerOnly { (form, repository) =>
-    context.withLoginAccount {
+    context.withLoginAccount { loginAccount =>
-      loginAccount =>
+      if (context.settings.basicBehavior.repositoryOperation.rename || loginAccount.isAdmin) {
-        if (context.settings.repositoryOperation.rename || loginAccount.isAdmin) {
         if (repository.name != form.repositoryName) {
           // Update database and move git repository
           renameRepository(repository.owner, repository.name, repository.owner, form.repositoryName)
@@ -412,9 +425,8 @@ trait RepositorySettingsControllerBase extends ControllerBase {
    * Transfer repository ownership.
    */
   post("/:owner/:repository/settings/transfer", transferForm)(ownerOnly { (form, repository) =>
-    context.withLoginAccount {
+    context.withLoginAccount { loginAccount =>
-      loginAccount =>
+      if (context.settings.basicBehavior.repositoryOperation.transfer || loginAccount.isAdmin) {
-        if (context.settings.repositoryOperation.transfer || loginAccount.isAdmin) {
         // Change repository owner
         if (repository.owner != form.newOwner) {
           // Update database and move git repository
@@ -438,7 +450,7 @@ trait RepositorySettingsControllerBase extends ControllerBase {
    */
   post("/:owner/:repository/settings/delete")(ownerOnly { repository =>
     context.withLoginAccount { loginAccount =>
-      if (context.settings.repositoryOperation.delete || loginAccount.isAdmin) {
+      if (context.settings.basicBehavior.repositoryOperation.delete || loginAccount.isAdmin) {
         // Delete the repository and related files
         deleteRepository(repository.repository)
         redirect(s"/${repository.owner}")
@@ -477,6 +489,60 @@ trait RepositorySettingsControllerBase extends ControllerBase {
     redirect(s"/${repository.owner}/${repository.name}/settings/deploykey")
   })
 
+  /** Custom fields for issues and pull requests */
+  get("/:owner/:repository/settings/issues")(ownerOnly { repository =>
+    val customFields = getCustomFields(repository.owner, repository.name)
+    html.issues(customFields, repository)
+  })
+
+  /** New custom field form */
+  get("/:owner/:repository/settings/issues/fields/new")(ownerOnly { repository =>
+    html.issuesfieldform(None, repository)
+  })
+
+  /** Add custom field */
+  ajaxPost("/:owner/:repository/settings/issues/fields/new", customFieldForm)(ownerOnly { (form, repository) =>
+    val fieldId = createCustomField(
+      repository.owner,
+      repository.name,
+      form.fieldName,
+      form.fieldType,
+      if (form.fieldType == "enum") form.constraints else None,
+      form.enableForIssues,
+      form.enableForPullRequests
+    )
+    html.issuesfield(getCustomField(repository.owner, repository.name, fieldId).get)
+  })
+
+  /** Edit custom field form */
+  ajaxGet("/:owner/:repository/settings/issues/fields/:fieldId/edit")(ownerOnly { repository =>
+    getCustomField(repository.owner, repository.name, params("fieldId").toInt).map { customField =>
+      html.issuesfieldform(Some(customField), repository)
+    } getOrElse NotFound()
+  })
+
+  /** Update custom field */
+  ajaxPost("/:owner/:repository/settings/issues/fields/:fieldId/edit", customFieldForm)(ownerOnly {
+    (form, repository) =>
+      updateCustomField(
+        repository.owner,
+        repository.name,
+        params("fieldId").toInt,
+        form.fieldName,
+        form.fieldType,
+        if (form.fieldType == "enum") form.constraints else None,
+        form.enableForIssues,
+        form.enableForPullRequests
+      )
+      html.issuesfield(getCustomField(repository.owner, repository.name, params("fieldId").toInt).get)
+  })
+
+  /** Delete custom field */
+  ajaxPost("/:owner/:repository/settings/issues/fields/:fieldId/delete")(ownerOnly { repository =>
+    deleteCustomField(repository.owner, repository.name, params("fieldId").toInt)
+    Ok()
+  })
+
   /**
    * Provides duplication check for web hook url.
    */

src/main/scala/gitbucket/core/controller/RepositoryViewerController.scala

@@ -257,8 +257,7 @@ trait RepositoryViewerControllerBase extends ControllerBase {
     val (branchName, path) = repository.splitPath(multiParams("splat").head)
     val page = params.get("page").flatMap(_.toIntOpt).getOrElse(1)
 
-    Using.resource(Git.open(getRepositoryDir(repository.owner, repository.name))) {
+    Using.resource(Git.open(getRepositoryDir(repository.owner, repository.name))) { git =>
-      git =>
       JGitUtil.getCommitLog(git, branchName, page, 30, path) match {
         case Right((logs, hasNext)) =>
           html.commits(
@@ -273,8 +272,7 @@ trait RepositoryViewerControllerBase extends ControllerBase {
                   getCommitStatusWithSummary(repository.owner, repository.name, commit.id)
                 )
               }
-                .splitWith {
+              .splitWith { case ((commit1, _, _), (commit2, _, _)) =>
-                  case ((commit1, _, _), (commit2, _, _)) =>
                 view.helpers.date(commit1.commitTime) == view.helpers.date(commit2.commitTime)
               },
             page,
@@ -287,8 +285,7 @@ trait RepositoryViewerControllerBase extends ControllerBase {
   })
 
   get("/:owner/:repository/new/*")(writableUsersOnly { repository =>
-    context.withLoginAccount {
+    context.withLoginAccount { loginAccount =>
-      loginAccount =>
       val (branch, path) = repository.splitPath(multiParams("splat").head)
       val protectedBranch = getProtectedBranchInfo(repository.owner, repository.name, branch)
         .needStatusCheck(loginAccount.userName)
@@ -310,8 +307,7 @@ trait RepositoryViewerControllerBase extends ControllerBase {
   })
 
   get("/:owner/:repository/upload/*")(writableUsersOnly { repository =>
-    context.withLoginAccount {
+    context.withLoginAccount { loginAccount =>
-      loginAccount =>
       val (branch, path) = repository.splitPath(multiParams("splat").head)
       val protectedBranch = getProtectedBranchInfo(repository.owner, repository.name, branch)
         .needStatusCheck(loginAccount.userName)
@@ -329,60 +325,18 @@ trait RepositoryViewerControllerBase extends ControllerBase {
   })
 
   post("/:owner/:repository/upload", uploadForm)(writableUsersOnly { (form, repository) =>
-    context.withLoginAccount {
-      loginAccount =>
-        val files = form.uploadFiles
-          .split("\n")
-          .map { line =>
-            val i = line.indexOf(':')
-            CommitFile(line.substring(0, i).trim, line.substring(i + 1).trim)
-          }
-          .toSeq
-
-        val newFiles = files.map { file =>
-          file.copy(name = if (form.path.length == 0) file.name else s"${form.path}/${file.name}")
-        }
-
-        if (form.newBranch) {
-          val newBranchName = createNewBranchForPullRequest(repository, form.branch, loginAccount)
-          val objectId = _commit(newBranchName, newFiles, loginAccount)
-          val issueId =
-            createIssueAndPullRequest(
-              repository,
-              form.branch,
-              newBranchName,
-              form.commit,
-              objectId.name,
-              form.message,
-              loginAccount
-            )
-          redirect(s"/${repository.owner}/${repository.name}/pull/${issueId}")
-        } else {
-          _commit(form.branch, newFiles, loginAccount)
-          if (form.path.length == 0) {
-            redirect(s"/${repository.owner}/${repository.name}/tree/${form.branch}")
-          } else {
-            redirect(s"/${repository.owner}/${repository.name}/tree/${form.branch}/${form.path}")
-          }
-        }
-    }
-
     def _commit(
       branchName: String,
-      //files: Seq[CommitFile],
       newFiles: Seq[CommitFile],
       loginAccount: Account
-    ): ObjectId = {
+    ): Either[String, ObjectId] = {
       commitFiles(
         repository = repository,
         branch = branchName,
-        //path = form.path,
-        //files = files.toIndexedSeq,
         message = form.message.getOrElse("Add files via upload"),
         loginAccount = loginAccount,
         settings = context.settings
-      ) {
+      ) { case (git, headTip, builder, inserter) =>
-        case (git, headTip, builder, inserter) =>
         JGitUtil.processTree(git, headTip) { (path, tree) =>
           if (!newFiles.exists(_.name.contains(path))) {
             builder.add(JGitUtil.createDirCacheEntry(path, tree.getEntryFileMode, tree.getEntryObjectId))
@@ -399,22 +353,64 @@ trait RepositoryViewerControllerBase extends ControllerBase {
         }
       }
     }
+
+    context.withLoginAccount { loginAccount =>
+      val files = form.uploadFiles
+        .split("\n")
+        .map { line =>
+          val i = line.indexOf(':')
+          CommitFile(line.substring(0, i).trim, line.substring(i + 1).trim)
+        }
+        .toSeq
+
+      val newFiles = files.map { file =>
+        file.copy(name = if (form.path.length == 0) file.name else s"${form.path}/${file.name}")
+      }
+
+      if (form.newBranch) {
+        val newBranchName = createNewBranchForPullRequest(repository, form.branch, loginAccount)
+        _commit(newBranchName, newFiles, loginAccount) match {
+          case Right(objectId) =>
+            val issueId =
+              createIssueAndPullRequest(
+                repository,
+                form.branch,
+                newBranchName,
+                form.commit,
+                objectId.name,
+                form.message,
+                loginAccount
+              )
+            redirect(s"/${repository.owner}/${repository.name}/pull/${issueId}")
+          case Left(error) => Forbidden(gitbucket.core.html.error(error))
+        }
+      } else {
+        _commit(form.branch, newFiles, loginAccount) match {
+          case Right(_) =>
+            if (form.path.length == 0) {
+              redirect(s"/${repository.owner}/${repository.name}/tree/${encodeRefName(form.branch)}")
+            } else {
+              redirect(
+                s"/${repository.owner}/${repository.name}/tree/${encodeRefName(form.branch)}/${encodeRefName(form.path)}"
+              )
+            }
+          case Left(error) => Forbidden(gitbucket.core.html.error(error))
+        }
+      }
+    }
   })
 
   get("/:owner/:repository/edit/*")(writableUsersOnly { repository =>
-    context.withLoginAccount {
+    context.withLoginAccount { loginAccount =>
-      loginAccount =>
       val (branch, path) = repository.splitPath(multiParams("splat").head)
       val protectedBranch = getProtectedBranchInfo(repository.owner, repository.name, branch)
         .needStatusCheck(loginAccount.userName)
 
-        Using.resource(Git.open(getRepositoryDir(repository.owner, repository.name))) {
+      Using.resource(Git.open(getRepositoryDir(repository.owner, repository.name))) { git =>
-          git =>
         val revCommit = JGitUtil.getRevCommitFromId(git, git.getRepository.resolve(branch))
 
         getPathObjectId(git, path, revCommit)
-              .map {
+          .map { objectId =>
-                objectId =>
             val paths = path.split("/")
             val info = EditorConfigUtil.getEditorConfigInfo(git, branch, path)
 
@@ -437,8 +433,7 @@ trait RepositoryViewerControllerBase extends ControllerBase {
 
   get("/:owner/:repository/remove/*")(writableUsersOnly { repository =>
     val (branch, path) = repository.splitPath(multiParams("splat").head)
-    Using.resource(Git.open(getRepositoryDir(repository.owner, repository.name))) {
+    Using.resource(Git.open(getRepositoryDir(repository.owner, repository.name))) { git =>
-      git =>
       val revCommit = JGitUtil.getRevCommitFromId(git, git.getRepository.resolve(branch))
 
       getPathObjectId(git, path, revCommit).map { objectId =>
@@ -456,32 +451,7 @@ trait RepositoryViewerControllerBase extends ControllerBase {
   })
 
   post("/:owner/:repository/create", editorForm)(writableUsersOnly { (form, repository) =>
-    context.withLoginAccount {
+    def _commit(branchName: String, loginAccount: Account): Either[String, ObjectId] = {
-      loginAccount =>
-        if (form.newBranch) {
-          val newBranchName = createNewBranchForPullRequest(repository, form.branch, loginAccount)
-          val objectId = _commit(newBranchName, loginAccount)
-          val issueId =
-            createIssueAndPullRequest(
-              repository,
-              form.branch,
-              newBranchName,
-              form.commit,
-              objectId.name,
-              form.message,
-              loginAccount
-            )
-          redirect(s"/${repository.owner}/${repository.name}/pull/${issueId}")
-        } else {
-          _commit(form.branch, loginAccount)
-          redirect(
-            s"/${repository.owner}/${repository.name}/blob/${form.branch}/${if (form.path.length == 0) urlEncode(form.newFileName)
-            else s"${form.path}/${urlEncode(form.newFileName)}"}"
-          )
-        }
-    }
-
-    def _commit(branchName: String, loginAccount: Account): ObjectId = {
       commitFile(
         repository = repository,
         branch = branchName,
@@ -494,16 +464,14 @@ trait RepositoryViewerControllerBase extends ControllerBase {
         commit = form.commit,
         loginAccount = loginAccount,
         settings = context.settings
-      )._1
+      ).map(_._1)
     }
-  })
 
-  post("/:owner/:repository/update", editorForm)(writableUsersOnly { (form, repository) =>
+    context.withLoginAccount { loginAccount =>
-    context.withLoginAccount {
-      loginAccount =>
       if (form.newBranch) {
         val newBranchName = createNewBranchForPullRequest(repository, form.branch, loginAccount)
-          val objectId = _commit(newBranchName, loginAccount)
+        _commit(newBranchName, loginAccount) match {
+          case Right(objectId) =>
             val issueId =
               createIssueAndPullRequest(
                 repository,
@@ -515,16 +483,28 @@ trait RepositoryViewerControllerBase extends ControllerBase {
                 loginAccount
               )
             redirect(s"/${repository.owner}/${repository.name}/pull/${issueId}")
+          case Left(error) => Forbidden(gitbucket.core.html.error(error))
+        }
       } else {
-          _commit(form.branch, loginAccount)
+        _commit(form.branch, loginAccount) match {
+          case Right(_) =>
+            if (form.path.length == 0) {
               redirect(
-            s"/${repository.owner}/${repository.name}/blob/${urlEncode(form.branch)}/${if (form.path.length == 0) urlEncode(form.newFileName)
+                s"/${repository.owner}/${repository.name}/blob/${encodeRefName(form.branch)}/${urlEncode(form.newFileName)}"
-            else s"${form.path}/${urlEncode(form.newFileName)}"}"
+              )
+            } else {
+              redirect(
+                s"/${repository.owner}/${repository.name}/blob/${encodeRefName(form.branch)}/${encodeRefName(form.path)}/${urlEncode(form.newFileName)}"
               )
             }
+          case Left(error) => Forbidden(gitbucket.core.html.error(error))
         }
+      }
+    }
+  })
 
-    def _commit(branchName: String, loginAccount: Account): ObjectId = {
+  post("/:owner/:repository/update", editorForm)(writableUsersOnly { (form, repository) =>
+    def _commit(branchName: String, loginAccount: Account): Either[String, ObjectId] = {
       commitFile(
         repository = repository,
         branch = branchName,
@@ -541,16 +521,14 @@ trait RepositoryViewerControllerBase extends ControllerBase {
         commit = form.commit,
         loginAccount = loginAccount,
         settings = context.settings
-      )._1
+      ).map(_._1)
     }
-  })
 
-  post("/:owner/:repository/remove", deleteForm)(writableUsersOnly { (form, repository) =>
+    context.withLoginAccount { loginAccount =>
-    context.withLoginAccount {
-      loginAccount =>
       if (form.newBranch) {
         val newBranchName = createNewBranchForPullRequest(repository, form.branch, loginAccount)
-          val objectId = _commit(newBranchName, loginAccount)
+        _commit(newBranchName, loginAccount) match {
+          case Right(objectId) =>
             val issueId =
               createIssueAndPullRequest(
                 repository,
@@ -562,16 +540,28 @@ trait RepositoryViewerControllerBase extends ControllerBase {
                 loginAccount
               )
             redirect(s"/${repository.owner}/${repository.name}/pull/${issueId}")
+          case Left(error) => Forbidden(gitbucket.core.html.error(error))
+        }
       } else {
-          _commit(form.branch, loginAccount)
+        _commit(form.branch, loginAccount) match {
+          case Right(_) =>
+            if (form.path.length == 0) {
               redirect(
-            s"/${repository.owner}/${repository.name}/tree/${form.branch}${if (form.path.length == 0) ""
+                s"/${repository.owner}/${repository.name}/blob/${encodeRefName(form.branch)}/${urlEncode(form.newFileName)}"
-            else "/" + form.path}"
+              )
+            } else {
+              redirect(
+                s"/${repository.owner}/${repository.name}/blob/${encodeRefName(form.branch)}/${encodeRefName(form.path)}/${urlEncode(form.newFileName)}"
               )
             }
+          case Left(error) => Forbidden(gitbucket.core.html.error(error))
         }
+      }
+    }
+  })
 
-    def _commit(branchName: String, loginAccount: Account): ObjectId = {
+  post("/:owner/:repository/remove", deleteForm)(writableUsersOnly { (form, repository) =>
+    def _commit(branchName: String, loginAccount: Account): Either[String, ObjectId] = {
       commitFile(
         repository = repository,
         branch = branchName,
@@ -584,7 +574,40 @@ trait RepositoryViewerControllerBase extends ControllerBase {
         commit = form.commit,
         loginAccount = loginAccount,
         settings = context.settings
-      )._1
+      ).map(_._1)
+    }
+
+    context.withLoginAccount { loginAccount =>
+      if (form.newBranch) {
+        val newBranchName = createNewBranchForPullRequest(repository, form.branch, loginAccount)
+        _commit(newBranchName, loginAccount) match {
+          case Right(objectId) =>
+            val issueId =
+              createIssueAndPullRequest(
+                repository,
+                form.branch,
+                newBranchName,
+                form.commit,
+                objectId.name,
+                form.message,
+                loginAccount
+              )
+            redirect(s"/${repository.owner}/${repository.name}/pull/${issueId}")
+          case Left(error) => Forbidden(gitbucket.core.html.error(error))
+        }
+      } else {
+        _commit(form.branch, loginAccount) match {
+          case Right(_) =>
+            if (form.path.isEmpty) {
+              redirect(s"/${repository.owner}/${repository.name}/tree/${encodeRefName(form.branch)}")
+            } else {
+              redirect(
+                s"/${repository.owner}/${repository.name}/tree/${encodeRefName(form.branch)}/${encodeRefName(form.path)}"
+              )
+            }
+          case Left(error) => Forbidden(gitbucket.core.html.error(error))
+        }
+      }
     }
   })
 
@@ -640,7 +663,6 @@ trait RepositoryViewerControllerBase extends ControllerBase {
       loginUser = loginAccount.userName,
       title = requestBranch,
       content = commitMessage,
-      assignedUserName = None,
       milestoneId = None,
       priorityId = None,
       isPullRequest = true
@@ -679,11 +701,9 @@ trait RepositoryViewerControllerBase extends ControllerBase {
     val (id, path) = repository.splitPath(multiParams("splat").head)
     val raw = params.get("raw").getOrElse("false").toBoolean
     val highlighterTheme = getSyntaxHighlighterTheme()
-    Using.resource(Git.open(getRepositoryDir(repository.owner, repository.name))) {
+    Using.resource(Git.open(getRepositoryDir(repository.owner, repository.name))) { git =>
-      git =>
       val revCommit = JGitUtil.getRevCommitFromId(git, git.getRepository.resolve(id))
-        getPathObjectId(git, path, revCommit).map {
+      getPathObjectId(git, path, revCommit).map { objectId =>
-          objectId =>
         if (raw) {
           // Download (This route is left for backward compatibility)
           responseRawFile(git, objectId, path, repository)
@@ -731,8 +751,7 @@ trait RepositoryViewerControllerBase extends ControllerBase {
   ajaxGet("/:owner/:repository/get-blame/*")(referrersOnly { repository =>
     val (id, path) = repository.splitPath(multiParams("splat").head)
     contentType = formats("json")
-    Using.resource(Git.open(getRepositoryDir(repository.owner, repository.name))) {
+    Using.resource(Git.open(getRepositoryDir(repository.owner, repository.name))) { git =>
-      git =>
       val last = git.log.add(git.getRepository.resolve(id)).addPath(path).setMaxCount(1).call.iterator.next.name
       Serialization.write(
         Map(
@@ -740,8 +759,7 @@ trait RepositoryViewerControllerBase extends ControllerBase {
           "id" -> id,
           "path" -> path,
           "last" -> last,
-            "blame" -> JGitUtil.getBlame(git, id, path).map {
+          "blame" -> JGitUtil.getBlame(git, id, path).map { blame =>
-              blame =>
             Map(
               "id" -> blame.id,
               "author" -> view.helpers.user(blame.authorName, blame.authorEmailAddress).toString,
@@ -766,10 +784,17 @@ trait RepositoryViewerControllerBase extends ControllerBase {
     val id = params("id")
 
     try {
-      Using.resource(Git.open(getRepositoryDir(repository.owner, repository.name))) {
+      Using.resource(Git.open(getRepositoryDir(repository.owner, repository.name))) { git =>
-        git =>
         val revCommit = JGitUtil.getRevCommitFromId(git, git.getRepository.resolve(id))
-          val diffs = JGitUtil.getDiffs(git, None, id, true, false)
+        val diffs = JGitUtil.getDiffs(
+          git = git,
+          from = None,
+          to = id,
+          fetchContent = true,
+          makePatch = false,
+          maxFiles = context.settings.repositoryViewer.maxDiffFiles,
+          maxLines = context.settings.repositoryViewer.maxDiffLines
+        )
         val oldCommitId = JGitUtil.getParentCommitId(git, id)
 
         html.commit(
@@ -855,8 +880,7 @@ trait RepositoryViewerControllerBase extends ControllerBase {
   })
 
   ajaxPost("/:owner/:repository/commit/:id/comment/_data/new", commentForm)(readableUsersOnly { (form, repository) =>
-    context.withLoginAccount {
+    context.withLoginAccount { loginAccount =>
-      loginAccount =>
       val id = params("id")
       val commentId = createCommitComment(
         repository,
@@ -877,10 +901,8 @@ trait RepositoryViewerControllerBase extends ControllerBase {
   })
 
   ajaxGet("/:owner/:repository/commit_comments/_data/:id")(readableUsersOnly { repository =>
-    context.withLoginAccount {
+    context.withLoginAccount { loginAccount =>
-      loginAccount =>
+      getCommitComment(repository.owner, repository.name, params("id")) map { x =>
-        getCommitComment(repository.owner, repository.name, params("id")) map {
-          x =>
         if (isEditable(x.userName, x.repositoryName, x.commentedUserName, loginAccount)) {
           params.get("dataType") collect {
             case t if t == "html" => html.editcomment(x.content, x.commentId, repository)
@@ -908,8 +930,7 @@ trait RepositoryViewerControllerBase extends ControllerBase {
   })
 
   ajaxPost("/:owner/:repository/commit_comments/edit/:id", commentForm)(readableUsersOnly { (form, repository) =>
-    context.withLoginAccount {
+    context.withLoginAccount { loginAccount =>
-      loginAccount =>
       getCommitComment(repository.owner, repository.name, params("id")).map { comment =>
         if (isEditable(repository.owner, repository.name, comment.commentedUserName, loginAccount)) {
           updateCommitComment(comment.commentId, form.content)
@@ -934,8 +955,7 @@ trait RepositoryViewerControllerBase extends ControllerBase {
    */
   get("/:owner/:repository/branches")(referrersOnly { repository =>
     val protectedBranches = getProtectedBranchList(repository.owner, repository.name).toSet
-    val branches = Using.resource(Git.open(getRepositoryDir(repository.owner, repository.name))) {
+    val branches = Using.resource(Git.open(getRepositoryDir(repository.owner, repository.name))) { git =>
-      git =>
       JGitUtil
         .getBranches(
           git = git,
@@ -943,8 +963,7 @@ trait RepositoryViewerControllerBase extends ControllerBase {
           origin = repository.repository.originUserName.isEmpty
         )
         .sortBy(branch => (branch.mergeInfo.isEmpty, branch.commitTime))
-          .map(
+        .map(branch =>
-            branch =>
           (
             branch,
             getPullRequestByRequestCommit(
@@ -993,8 +1012,7 @@ trait RepositoryViewerControllerBase extends ControllerBase {
   post("/:owner/:repository/branches")(writableUsersOnly { repository =>
     val newBranchName = params.getOrElse("new", halt(400))
     val fromBranchName = params.getOrElse("from", halt(400))
-    Using.resource(Git.open(getRepositoryDir(repository.owner, repository.name))) {
+    Using.resource(Git.open(getRepositoryDir(repository.owner, repository.name))) { git =>
-      git =>
       JGitUtil.createBranch(git, fromBranchName, newBranchName) match {
         case Right(message) =>
           flash.update("info", message)
@@ -1048,8 +1066,7 @@ trait RepositoryViewerControllerBase extends ControllerBase {
    * Deletes branch.
    */
   get("/:owner/:repository/delete/*")(writableUsersOnly { repository =>
-    context.withLoginAccount {
+    context.withLoginAccount { loginAccount =>
-      loginAccount =>
       val branchName = multiParams("splat").head
       if (repository.repository.defaultBranch != branchName) {
         Using.resource(Git.open(getRepositoryDir(repository.owner, repository.name))) { git =>
@@ -1144,8 +1161,7 @@ trait RepositoryViewerControllerBase extends ControllerBase {
         html.guide(repository, hasDeveloperRole(repository.owner, repository.name, context.loginAccount))
       } else {
         // get specified commit
-        JGitUtil.getDefaultBranch(git, repository, revstr).map {
+        JGitUtil.getDefaultBranch(git, repository, revstr).map { case (objectId, revision) =>
-          case (objectId, revision) =>
           val revCommit = JGitUtil.getRevCommitFromId(git, objectId)
           val lastModifiedCommit =
             if (path == ".") revCommit else JGitUtil.getLastModifiedCommit(git, revCommit, path)
@@ -1203,8 +1219,8 @@ trait RepositoryViewerControllerBase extends ControllerBase {
     repository: RepositoryService.RepositoryInfo,
     path: String
   ) = {
-    def archive(revision: String, archiveFormat: String, archive: ArchiveOutputStream)(
+    def archive[A <: ArchiveEntry](revision: String, archiveFormat: String, archive: ArchiveOutputStream[A])(
-      entryCreator: (String, Long, java.util.Date, Int) => ArchiveEntry
+      entryCreator: (String, Long, java.util.Date, Int) => A
     ): Unit = {
       Using.resource(Git.open(getRepositoryDir(repository.owner, repository.name))) { git =>
         val oid = git.getRepository.resolve(revision)
@@ -1246,7 +1262,7 @@ trait RepositoryViewerControllerBase extends ControllerBase {
                     )
                   }
 
-                  val entry: ArchiveEntry = entryCreator(entryPath, size, date, mode)
+                  val entry: A = entryCreator(entryPath, size, date, mode)
                   archive.putArchiveEntry(entry)
                   Using.resource(new FileInputStream(tempFile)) { in =>
                     IOUtils.copy(in, archive)

src/main/scala/gitbucket/core/controller/SystemSettingsController.scala

@@ -1,7 +1,6 @@
 package gitbucket.core.controller
 
 import java.io.FileInputStream
-
 import gitbucket.core.admin.html
 import gitbucket.core.plugin.PluginRegistry
 import gitbucket.core.service.SystemSettingsService._
@@ -35,7 +34,9 @@ trait SystemSettingsControllerBase extends AccountManagementControllerBase {
   private val form = mapping(
     "baseUrl" -> trim(label("Base URL", optional(text()))),
     "information" -> trim(label("Information", optional(text()))),
+    "basicBehavior" -> mapping(
       "allowAccountRegistration" -> trim(label("Account registration", boolean())),
+      "allowResetPassword" -> trim(label("Reset password", boolean())),
       "allowAnonymousAccess" -> trim(label("Anonymous access", boolean())),
       "isCreateRepoOptionPublic" -> trim(label("Default visibility of new repository", boolean())),
       "repositoryOperation" -> mapping(
@@ -48,10 +49,21 @@ trait SystemSettingsControllerBase extends AccountManagementControllerBase {
       "gravatar" -> trim(label("Gravatar", boolean())),
       "notification" -> trim(label("Notification", boolean())),
       "limitVisibleRepositories" -> trim(label("limitVisibleRepositories", boolean())),
+    )(BasicBehavior.apply),
     "ssh" -> mapping(
       "enabled" -> trim(label("SSH access", boolean())),
-      "host" -> trim(label("SSH host", optional(text()))),
+      "bindAddress" -> mapping(
-      "port" -> trim(label("SSH port", optional(number())))
+        "host" -> trim(label("Bind SSH host", optional(text()))),
+        "port" -> trim(label("Bind SSH port", optional(number()))),
+      )((hostOption, portOption) =>
+        hostOption.map(h => SshAddress(h, portOption.getOrElse(DefaultSshPort), GenericSshUser))
+      ),
+      "publicAddress" -> mapping(
+        "host" -> trim(label("Public SSH host", optional(text()))),
+        "port" -> trim(label("Public SSH port", optional(number()))),
+      )((hostOption, portOption) =>
+        hostOption.map(h => SshAddress(h, portOption.getOrElse(PublicSshPort), GenericSshUser))
+      ),
     )(Ssh.apply),
     "useSMTP" -> trim(label("SMTP", boolean())),
     "smtp" -> optionalIfNotChecked(
@@ -109,15 +121,18 @@ trait SystemSettingsControllerBase extends AccountManagementControllerBase {
       "largeTimeout" -> trim(label("Timeout for large file", long(required)))
     )(Upload.apply),
     "repositoryViewer" -> mapping(
-      "maxFiles" -> trim(label("Max files", number(required)))
+      "maxFiles" -> trim(label("Max files", number(required))),
-    )(RepositoryViewerSettings.apply)
+      "maxDiffFiles" -> trim(label("Max diff files", number(required))),
+      "maxDiffLines" -> trim(label("Max diff lines", number(required)))
+    )(RepositoryViewerSettings.apply),
+    "defaultBranch" -> trim(label("Default branch", text(required)))
   )(SystemSettings.apply).verifying { settings =>
     Vector(
       if (settings.ssh.enabled && settings.baseUrl.isEmpty) {
         Some("baseUrl" -> "Base URL is required if SSH access is enabled.")
       } else None,
-      if (settings.ssh.enabled && settings.ssh.sshHost.isEmpty) {
+      if (settings.ssh.enabled && settings.ssh.bindAddress.isEmpty) {
-        Some("sshHost" -> "SSH host is required if SSH access is enabled.")
+        Some("ssh.bindAddress.host" -> "SSH bind host is required if SSH access is enabled.")
       } else None
     ).flatten
   }
@@ -236,8 +251,7 @@ trait SystemSettingsControllerBase extends AccountManagementControllerBase {
     val conn = request2Session(request).conn
     val meta = conn.getMetaData
     val tables = ListBuffer[Table]()
-    Using.resource(meta.getTables(null, "%", "%", Array("TABLE", "VIEW"))) {
+    Using.resource(meta.getTables(null, "%", "%", Array("TABLE", "VIEW"))) { rs =>
-      rs =>
       while (rs.next()) {
         val tableName = rs.getString("TABLE_NAME")
 
@@ -270,11 +284,9 @@ trait SystemSettingsControllerBase extends AccountManagementControllerBase {
         if (trimmedQuery.nonEmpty) {
           try {
             val conn = request2Session(request).conn
-            Using.resource(conn.prepareStatement(query)) {
+            Using.resource(conn.prepareStatement(query)) { stmt =>
-              stmt =>
               if (trimmedQuery.toUpperCase.startsWith("SELECT")) {
-                  Using.resource(stmt.executeQuery()) {
+                Using.resource(stmt.executeQuery()) { rs =>
-                    rs =>
                   val meta = rs.getMetaData
                   val columns = for (i <- 1 to meta.getColumnCount) yield {
                     meta.getColumnName(i)
@@ -308,12 +320,15 @@ trait SystemSettingsControllerBase extends AccountManagementControllerBase {
   post("/admin/system", form)(adminOnly { form =>
     saveSystemSettings(form)
 
-    if (form.sshAddress != context.settings.sshAddress) {
+    if (
+      form.ssh.bindAddress != context.settings.sshBindAddress || form.ssh.publicAddress != context.settings.sshPublicAddress
+    ) {
       SshServer.stop()
       for {
-        sshAddress <- form.sshAddress
+        bindAddress <- form.ssh.bindAddress
+        publicAddress <- form.ssh.publicAddress.orElse(form.ssh.bindAddress)
         baseUrl <- form.baseUrl
-      } SshServer.start(sshAddress, baseUrl)
+      } SshServer.start(bindAddress, publicAddress, baseUrl)
     }
 
     flash.update("info", "System settings has been updated.")
@@ -322,7 +337,12 @@ trait SystemSettingsControllerBase extends AccountManagementControllerBase {
 
   post("/admin/system/sendmail", sendMailForm)(adminOnly { form =>
     try {
-      new Mailer(context.settings.copy(smtp = Some(form.smtp), notification = true)).send(
+      new Mailer(
+        context.settings.copy(
+          smtp = Some(form.smtp),
+          basicBehavior = context.settings.basicBehavior.copy(notification = true)
+        )
+      ).send(
         to = form.testAddress,
         subject = "Test message from GitBucket",
         textMsg = "This is a test message from GitBucket.",
@@ -399,8 +419,7 @@ trait SystemSettingsControllerBase extends AccountManagementControllerBase {
 
   post("/admin/users/:name/_edituser", editUserForm)(adminOnly { form =>
     val userName = params("userName")
-    getAccountByUserName(userName, true).map {
+    getAccountByUserName(userName, true).map { account =>
-      account =>
       if (account.isAdmin && (form.isRemoved || !form.isAdmin) && isLastAdministrator(account)) {
         flash.update("error", "Account can't be turned off because this is last one administrator.")
         redirect(s"/admin/users/${userName}/_edituser")
@@ -477,8 +496,7 @@ trait SystemSettingsControllerBase extends AccountManagementControllerBase {
       }
       .toList
 
-    getAccountByUserName(groupName, true).map {
+    getAccountByUserName(groupName, true).map { account =>
-      account =>
       updateGroup(groupName, form.description, form.url, form.isRemoved)
 
       if (form.isRemoved) {
@@ -531,7 +549,7 @@ trait SystemSettingsControllerBase extends AccountManagementControllerBase {
   })
 
   private def multiLineText(constraints: Constraint*): SingleValueType[Seq[String]] =
-    new SingleValueType[Seq[String]](constraints: _*) {
+    new SingleValueType[Seq[String]](constraints*) {
       def convert(value: String, messages: Messages): Seq[String] = {
         if (value == null) {
           Nil
@@ -544,9 +562,11 @@ trait SystemSettingsControllerBase extends AccountManagementControllerBase {
   private def members: Constraint =
     new Constraint() {
       override def validate(name: String, value: String, messages: Messages): Option[String] = {
-        if (value.split(",").exists {
+        if (
+          value.split(",").exists {
             _.split(":") match { case Array(userName, isManager) => isManager.toBoolean }
-            }) None
+          }
+        ) None
         else Some("Must select one manager at least.")
       }
     }

src/main/scala/gitbucket/core/controller/ValidationSupport.scala

@@ -84,8 +84,7 @@ trait ValidationSupport extends FormSupport { self: ServletBase with JacksonJson
    * Converts errors to JSON.
    */
   private def toJson(errors: Seq[(String, String)]): JObject =
-    JObject(errors.map {
+    JObject(errors.map { case (key, value) =>
-      case (key, value) =>
       JField(key, JString(value))
     }.toList)
 

src/main/scala/gitbucket/core/controller/WikiController.scala

@@ -46,7 +46,7 @@ trait WikiControllerBase extends ControllerBase {
   )
 
   val newForm = mapping(
-    "pageName" -> trim(label("Page name", text(required, maxlength(40), pagename, unique))),
+    "pageName" -> trim(label("Page name", text(required, maxlength(40), pageName, unique))),
     "content" -> trim(label("Content", text(required, conflictForNew))),
     "message" -> trim(label("Message", optional(text()))),
     "currentPageName" -> trim(label("Current page name", text())),
@@ -54,7 +54,7 @@ trait WikiControllerBase extends ControllerBase {
   )(WikiPageEditForm.apply)
 
   val editForm = mapping(
-    "pageName" -> trim(label("Page name", text(required, maxlength(40), pagename))),
+    "pageName" -> trim(label("Page name", text(required, maxlength(40), pageName))),
     "content" -> trim(label("Content", text(required, conflictForEdit))),
     "message" -> trim(label("Message", optional(text()))),
     "currentPageName" -> trim(label("Current page name", text(required))),
@@ -62,46 +62,56 @@ trait WikiControllerBase extends ControllerBase {
   )(WikiPageEditForm.apply)
 
   get("/:owner/:repository/wiki")(referrersOnly { repository =>
-    getWikiPage(repository.owner, repository.name, "Home").map { page =>
+    val branch = getWikiBranch(repository.owner, repository.name)
+
+    getWikiPage(repository.owner, repository.name, "Home", branch).map { page =>
       html.page(
         "Home",
         page,
-        getWikiPageList(repository.owner, repository.name),
+        getWikiPageList(repository.owner, repository.name, branch),
         repository,
         isEditable(repository),
-        getWikiPage(repository.owner, repository.name, "_Sidebar"),
+        getWikiPage(repository.owner, repository.name, "_Sidebar", branch),
-        getWikiPage(repository.owner, repository.name, "_Footer")
+        getWikiPage(repository.owner, repository.name, "_Footer", branch)
       )
     } getOrElse redirect(s"/${repository.owner}/${repository.name}/wiki/Home/_edit")
   })
 
   get("/:owner/:repository/wiki/:page")(referrersOnly { repository =>
     val pageName = StringUtil.urlDecode(params("page"))
+    val branch = getWikiBranch(repository.owner, repository.name)
 
-    getWikiPage(repository.owner, repository.name, pageName).map { page =>
+    getWikiPage(repository.owner, repository.name, pageName, branch).map { page =>
       html.page(
         pageName,
         page,
-        getWikiPageList(repository.owner, repository.name),
+        getWikiPageList(repository.owner, repository.name, branch),
         repository,
         isEditable(repository),
-        getWikiPage(repository.owner, repository.name, "_Sidebar"),
+        getWikiPage(repository.owner, repository.name, "_Sidebar", branch),
-        getWikiPage(repository.owner, repository.name, "_Footer")
+        getWikiPage(repository.owner, repository.name, "_Footer", branch)
       )
     } getOrElse redirect(s"/${repository.owner}/${repository.name}/wiki/${StringUtil.urlEncode(pageName)}/_edit")
   })
 
   get("/:owner/:repository/wiki/:page/_history")(referrersOnly { repository =>
     val pageName = StringUtil.urlDecode(params("page"))
+    val branch = getWikiBranch(repository.owner, repository.name)
 
     Using.resource(Git.open(getWikiRepositoryDir(repository.owner, repository.name))) { git =>
-      JGitUtil.getCommitLog(git, "master", path = pageName + ".md") match {
+      JGitUtil.getCommitLog(git, branch, path = pageName + ".md") match {
         case Right((logs, hasNext)) => html.history(Some(pageName), logs, repository, isEditable(repository))
         case Left(_)                => NotFound()
       }
     }
   })
 
+  private def getWikiBranch(owner: String, repository: String): String = {
+    Using.resource(Git.open(Directory.getWikiRepositoryDir(owner, repository))) { git =>
+      git.getRepository.getBranch
+    }
+  }
+
   get("/:owner/:repository/wiki/:page/_compare/:commitId")(referrersOnly { repository =>
     val pageName = StringUtil.urlDecode(params("page"))
     val Array(from, to) = params("commitId").split("\\.\\.\\.")
@@ -111,7 +121,17 @@ trait WikiControllerBase extends ControllerBase {
         Some(pageName),
         from,
         to,
-        JGitUtil.getDiffs(git, Some(from), to, true, false).filter(_.newPath == pageName + ".md"),
+        JGitUtil
+          .getDiffs(
+            git = git,
+            from = Some(from),
+            to = to,
+            fetchContent = true,
+            makePatch = false,
+            maxFiles = context.settings.repositoryViewer.maxDiffFiles,
+            maxLines = context.settings.repositoryViewer.maxDiffLines
+          )
+          .filter(_.newPath == pageName + ".md"),
         repository,
         isEditable(repository),
         flash.get("info")
@@ -127,7 +147,15 @@ trait WikiControllerBase extends ControllerBase {
         None,
         from,
         to,
-        JGitUtil.getDiffs(git, Some(from), to, true, false),
+        JGitUtil.getDiffs(
+          git = git,
+          from = Some(from),
+          to = to,
+          fetchContent = true,
+          makePatch = false,
+          maxFiles = context.settings.repositoryViewer.maxDiffFiles,
+          maxLines = context.settings.repositoryViewer.maxDiffLines
+        ),
         repository,
         isEditable(repository),
         flash.get("info")
@@ -136,13 +164,13 @@ trait WikiControllerBase extends ControllerBase {
   })
 
   get("/:owner/:repository/wiki/:page/_revert/:commitId")(readableUsersOnly { repository =>
-    context.withLoginAccount {
+    context.withLoginAccount { loginAccount =>
-      loginAccount =>
       if (isEditable(repository)) {
         val pageName = StringUtil.urlDecode(params("page"))
         val Array(from, to) = params("commitId").split("\\.\\.\\.")
+        val branch = getWikiBranch(repository.owner, repository.name)
 
-          if (revertWikiPage(repository.owner, repository.name, from, to, loginAccount, Some(pageName))) {
+        if (revertWikiPage(repository.owner, repository.name, from, to, loginAccount, Some(pageName), branch)) {
           redirect(s"/${repository.owner}/${repository.name}/wiki/${StringUtil.urlEncode(pageName)}")
         } else {
           flash.update("info", "This patch was not able to be reversed.")
@@ -155,12 +183,12 @@ trait WikiControllerBase extends ControllerBase {
   })
 
   get("/:owner/:repository/wiki/_revert/:commitId")(readableUsersOnly { repository =>
-    context.withLoginAccount {
+    context.withLoginAccount { loginAccount =>
-      loginAccount =>
       if (isEditable(repository)) {
         val Array(from, to) = params("commitId").split("\\.\\.\\.")
+        val branch = getWikiBranch(repository.owner, repository.name)
 
-          if (revertWikiPage(repository.owner, repository.name, from, to, loginAccount, None)) {
+        if (revertWikiPage(repository.owner, repository.name, from, to, loginAccount, None, branch)) {
           redirect(s"/${repository.owner}/${repository.name}/wiki")
         } else {
           flash.update("info", "This patch was not able to be reversed.")
@@ -173,13 +201,14 @@ trait WikiControllerBase extends ControllerBase {
   get("/:owner/:repository/wiki/:page/_edit")(readableUsersOnly { repository =>
     if (isEditable(repository)) {
       val pageName = StringUtil.urlDecode(params("page"))
-      html.edit(pageName, getWikiPage(repository.owner, repository.name, pageName), repository)
+      val branch = getWikiBranch(repository.owner, repository.name)
+
+      html.edit(pageName, getWikiPage(repository.owner, repository.name, pageName, branch), repository)
     } else Unauthorized()
   })
 
   post("/:owner/:repository/wiki/_edit", editForm)(readableUsersOnly { (form, repository) =>
-    context.withLoginAccount {
+    context.withLoginAccount { loginAccount =>
-      loginAccount =>
       if (isEditable(repository)) {
         saveWikiPage(
           repository.owner,
@@ -190,8 +219,7 @@ trait WikiControllerBase extends ControllerBase {
           loginAccount,
           form.message.getOrElse(""),
           Some(form.id)
-          ).foreach {
+        ).foreach { commitId =>
-            commitId =>
           updateLastActivityDate(repository.owner, repository.name)
           val wikiEditInfo =
             EditWikiPageInfo(repository.owner, repository.name, loginAccount.userName, form.pageName, commitId)
@@ -218,8 +246,7 @@ trait WikiControllerBase extends ControllerBase {
   })
 
   post("/:owner/:repository/wiki/_new", newForm)(readableUsersOnly { (form, repository) =>
-    context.withLoginAccount {
+    context.withLoginAccount { loginAccount =>
-      loginAccount =>
       if (isEditable(repository)) {
         saveWikiPage(
           repository.owner,
@@ -230,8 +257,7 @@ trait WikiControllerBase extends ControllerBase {
           loginAccount,
           form.message.getOrElse(""),
           None
-          ).foreach {
+        ).foreach { commitId =>
-            commitId =>
           updateLastActivityDate(repository.owner, repository.name)
           val createWikiPageInfo =
             CreateWikiPageInfo(repository.owner, repository.name, loginAccount.userName, form.pageName)
@@ -253,8 +279,7 @@ trait WikiControllerBase extends ControllerBase {
   })
 
   get("/:owner/:repository/wiki/:page/_delete")(readableUsersOnly { repository =>
-    context.withLoginAccount {
+    context.withLoginAccount { loginAccount =>
-      loginAccount =>
       if (isEditable(repository)) {
         val pageName = StringUtil.urlDecode(params("page"))
         deleteWikiPage(
@@ -280,7 +305,8 @@ trait WikiControllerBase extends ControllerBase {
   })
 
   get("/:owner/:repository/wiki/_pages")(referrersOnly { repository =>
-    html.pages(getWikiPageList(repository.owner, repository.name), repository, isEditable(repository))
+    val branch = getWikiBranch(repository.owner, repository.name)
+    html.pages(getWikiPageList(repository.owner, repository.name, branch), repository, isEditable(repository))
   })
 
   get("/:owner/:repository/wiki/_history")(referrersOnly { repository =>
@@ -309,13 +335,18 @@ trait WikiControllerBase extends ControllerBase {
       value: String,
       params: Map[String, Seq[String]],
       messages: Messages
-    ): Option[String] =
+    ): Option[String] = {
-      getWikiPageList(params.value("owner"), params.value("repository"))
+      val owner = params.value("owner")
+      val repository = params.value("repository")
+      val branch = getWikiBranch(owner, repository)
+
+      getWikiPageList(owner, repository, branch)
         .find(_ == value)
         .map(_ => "Page already exists.")
     }
+  }
 
-  private def pagename: Constraint = new Constraint() {
+  private def pageName: Constraint = new Constraint() {
     override def validate(name: String, value: String, messages: Messages): Option[String] =
       if (value.exists("\\/:*?\"<>|".contains(_))) {
         Some(s"${name} contains invalid character.")
@@ -326,7 +357,7 @@ trait WikiControllerBase extends ControllerBase {
       }
   }
 
-  private def notReservedPageName(value: String) = !(Array[String]("_Sidebar", "_Footer") contains value)
+  private def notReservedPageName(value: String): Boolean = !(Array[String]("_Sidebar", "_Footer") contains value)
 
   private def conflictForNew: Constraint = new Constraint() {
     override def validate(name: String, value: String, messages: Messages): Option[String] = {
@@ -344,7 +375,13 @@ trait WikiControllerBase extends ControllerBase {
     }
   }
 
-  private def targetWikiPage = getWikiPage(params("owner"), params("repository"), params("pageName"))
+  private def targetWikiPage: Option[WikiService.WikiPageInfo] = {
+    val owner = params("owner")
+    val repository = params("repository")
+    val pageName = params("pageName")
+    val branch = getWikiBranch(owner, repository)
+    getWikiPage(owner, repository, pageName, branch)
+  }
 
   private def isEditable(repository: RepositoryInfo)(implicit context: Context): Boolean = {
     repository.repository.options.wikiOption match {

src/main/scala/gitbucket/core/controller/api/ApiGitReferenceControllerBase.scala

@@ -1,9 +1,10 @@
 package gitbucket.core.controller.api
-import gitbucket.core.api.{ApiObject, ApiRef, CreateARef, JsonFormat, UpdateARef}
+import gitbucket.core.api.{ApiError, ApiRef, CreateARef, JsonFormat, UpdateARef}
 import gitbucket.core.controller.ControllerBase
+import gitbucket.core.service.RepositoryService.RepositoryInfo
 import gitbucket.core.util.Directory.getRepositoryDir
-import gitbucket.core.util.ReferrerAuthenticator
 import gitbucket.core.util.Implicits._
+import gitbucket.core.util.{ReferrerAuthenticator, RepositoryName, WritableUsersAuthenticator}
 import org.eclipse.jgit.api.Git
 import org.eclipse.jgit.lib.ObjectId
 import org.eclipse.jgit.lib.RefUpdate.Result
@@ -14,47 +15,38 @@ import scala.jdk.CollectionConverters._
 import scala.util.Using
 
 trait ApiGitReferenceControllerBase extends ControllerBase {
-  self: ReferrerAuthenticator =>
+  self: ReferrerAuthenticator with WritableUsersAuthenticator =>
 
   private val logger = LoggerFactory.getLogger(classOf[ApiGitReferenceControllerBase])
 
+  get("/api/v3/repos/:owner/:repository/git/refs")(referrersOnly { repository =>
+    val result = Using.resource(Git.open(getRepositoryDir(repository.owner, repository.name))) { git =>
+      val refs = git
+        .getRepository()
+        .getRefDatabase()
+        .getRefsByPrefix("refs")
+        .asScala
+
+      refs.map(ApiRef.fromRef(RepositoryName(s"${repository.owner}/${repository.name}"), _))
+    }
+    JsonFormat(result)
+  })
+
   /*
    * i. Get a reference
    * https://docs.github.com/en/free-pro-team@latest/rest/reference/git#get-a-reference
    */
   get("/api/v3/repos/:owner/:repository/git/ref/*")(referrersOnly { repository =>
-    getRef()
+    val revstr = multiParams("splat").head
+    getRef(revstr, repository)
   })
 
   // Some versions of GHE support this path
   get("/api/v3/repos/:owner/:repository/git/refs/*")(referrersOnly { repository =>
     logger.warn("git/refs/ endpoint may not be compatible with GitHub API v3. Consider using git/ref/ endpoint instead")
-    getRef()
-  })
-
-  private def getRef() = {
     val revstr = multiParams("splat").head
-    Using.resource(Git.open(getRepositoryDir(params("owner"), params("repository")))) { git =>
+    getRef(revstr, repository)
-      val ref = git.getRepository().findRef(revstr)
-
-      if (ref != null) {
-        val sha = ref.getObjectId().name()
-        JsonFormat(ApiRef(revstr, ApiObject(sha)))
-
-      } else {
-        val refs = git
-          .getRepository()
-          .getRefDatabase()
-          .getRefsByPrefix("refs/")
-          .asScala
-
-        JsonFormat(refs.map { ref =>
-          val sha = ref.getObjectId().name()
-          ApiRef(revstr, ApiObject(sha))
   })
-      }
-    }
-  }
 
   /*
    * ii. Get all references
@@ -65,17 +57,20 @@ trait ApiGitReferenceControllerBase extends ControllerBase {
    * iii. Create a reference
    * https://docs.github.com/en/free-pro-team@latest/rest/reference/git#create-a-reference
    */
-  post("/api/v3/repos/:owner/:repository/git/refs")(referrersOnly { _ =>
+  post("/api/v3/repos/:owner/:repository/git/refs")(writableUsersOnly { repository =>
-    extractFromJsonBody[CreateARef].map {
+    extractFromJsonBody[CreateARef].map { data =>
-      data =>
+      Using.resource(Git.open(getRepositoryDir(repository.owner, repository.name))) { git =>
-        Using.resource(Git.open(getRepositoryDir(params("owner"), params("repository")))) { git =>
         val ref = git.getRepository.findRef(data.ref)
         if (ref == null) {
           val update = git.getRepository.updateRef(data.ref)
           update.setNewObjectId(ObjectId.fromString(data.sha))
           val result = update.update()
           result match {
-              case Result.NEW => JsonFormat(ApiRef(update.getName, ApiObject(update.getNewObjectId.getName)))
+            case Result.NEW =>
+              JsonFormat(
+                ApiRef
+                  .fromRef(RepositoryName(repository.owner, repository.name), git.getRepository.findRef(data.ref))
+              )
             case _ => UnprocessableEntity(result.name())
           }
         } else {
@@ -89,11 +84,10 @@ trait ApiGitReferenceControllerBase extends ControllerBase {
    * iv. Update a reference
    * https://docs.github.com/en/free-pro-team@latest/rest/reference/git#update-a-reference
    */
-  patch("/api/v3/repos/:owner/:repository/git/refs/*")(referrersOnly { _ =>
+  patch("/api/v3/repos/:owner/:repository/git/refs/*")(writableUsersOnly { repository =>
     val refName = multiParams("splat").mkString("/")
-    extractFromJsonBody[UpdateARef].map {
+    extractFromJsonBody[UpdateARef].map { data =>
-      data =>
+      Using.resource(Git.open(getRepositoryDir(repository.owner, repository.name))) { git =>
-        Using.resource(Git.open(getRepositoryDir(params("owner"), params("repository")))) { git =>
         val ref = git.getRepository.findRef(refName)
         if (ref == null) {
           UnprocessableEntity("Ref does not exist.")
@@ -104,7 +98,7 @@ trait ApiGitReferenceControllerBase extends ControllerBase {
           val result = update.update()
           result match {
             case Result.FORCED | Result.FAST_FORWARD | Result.NO_CHANGE =>
-                JsonFormat(ApiRef(update.getName, ApiObject(update.getNewObjectId.getName)))
+              JsonFormat(ApiRef.fromRef(RepositoryName(repository), git.getRepository.findRef(refName)))
             case _ => UnprocessableEntity(result.name())
           }
         }
@@ -116,7 +110,7 @@ trait ApiGitReferenceControllerBase extends ControllerBase {
    * v. Delete a reference
    * https://docs.github.com/en/free-pro-team@latest/rest/reference/git#delete-a-reference
    */
-  delete("/api/v3/repos/:owner/:repository/git/refs/*")(referrersOnly { _ =>
+  delete("/api/v3/repos/:owner/:repository/git/refs/*")(writableUsersOnly { _ =>
     val refName = multiParams("splat").mkString("/")
     Using.resource(Git.open(getRepositoryDir(params("owner"), params("repository")))) { git =>
       val ref = git.getRepository.findRef(refName)
@@ -133,4 +127,34 @@ trait ApiGitReferenceControllerBase extends ControllerBase {
       }
     }
   })
+
+  private def notFound(): ApiError = {
+    response.setStatus(404)
+    ApiError("Not Found")
+  }
+
+  protected def getRef(revstr: String, repository: RepositoryInfo): AnyRef = {
+    logger.debug(s"getRef: path '${revstr}'")
+
+    val name = RepositoryName(repository)
+    val result = JsonFormat(revstr match {
+      case "tags" => repository.tags.map(ApiRef.fromTag(name, _))
+      case x if x.startsWith("tags/") =>
+        val tagName = x.substring("tags/".length)
+        repository.tags.find(_.name == tagName) match {
+          case Some(tagInfo) => ApiRef.fromTag(name, tagInfo)
+          case None          => notFound()
+        }
+      case other =>
+        Using.resource(Git.open(getRepositoryDir(repository.owner, repository.name))) { git =>
+          git.getRepository().findRef(other) match {
+            case null => notFound()
+            case ref  => ApiRef.fromRef(name, ref)
+          }
+        }
+    })
+
+    logger.debug(s"json result: $result")
+    result
+  }
 }

src/main/scala/gitbucket/core/controller/api/ApiIssueCommentControllerBase.scala

@@ -23,8 +23,7 @@ trait ApiIssueCommentControllerBase extends ControllerBase {
       issueId <- params("id").toIntOpt
       comments = getCommentsForApi(repository.owner, repository.name, issueId)
     } yield {
-      JsonFormat(comments.map {
+      JsonFormat(comments.map { case (issueComment, user, issue) =>
-        case (issueComment, user, issue) =>
         ApiComment(issueComment, RepositoryName(repository), issueId, ApiUser(user), issue.isPullRequest)
       })
     }) getOrElse NotFound()
@@ -85,7 +84,7 @@ trait ApiIssueCommentControllerBase extends ControllerBase {
    * iv. Delete a comment
    * https://docs.github.com/en/rest/reference/issues#delete-an-issue-comment
    */
-  delete("/api/v3/repos/:owner/:repo/issues/comments/:id")(readableUsersOnly { repository =>
+  delete("/api/v3/repos/:owner/:repository/issues/comments/:id")(readableUsersOnly { repository =>
     val maybeDeleteResponse: Option[Either[ActionResult, Option[Int]]] =
       for {
         commentId <- params("id").toIntOpt

src/main/scala/gitbucket/core/controller/api/ApiIssueControllerBase.scala

@@ -29,9 +29,9 @@ trait ApiIssueControllerBase extends ControllerBase {
     val page = IssueSearchCondition.page(request)
     // TODO: more api spec condition
     val condition = IssueSearchCondition(request)
-    val baseOwner = getAccountByUserName(repository.owner).get
+    // val baseOwner = getAccountByUserName(repository.owner).get
 
-    val issues: List[(Issue, Account, Option[Account])] =
+    val issues: List[(Issue, Account, List[Account])] =
       searchIssueByApi(
         condition = condition,
         offset = (page - 1) * PullRequestLimit,
@@ -39,13 +39,12 @@ trait ApiIssueControllerBase extends ControllerBase {
         repos = repository.owner -> repository.name
       )
 
-    JsonFormat(issues.map {
+    JsonFormat(issues.map { case (issue, issueUser, assigneeUsers) =>
-      case (issue, issueUser, assignedUser) =>
       ApiIssue(
         issue = issue,
         repositoryName = RepositoryName(repository),
         user = ApiUser(issueUser),
-          assignee = assignedUser.map(ApiUser(_)),
+        assignees = assigneeUsers.map(ApiUser(_)),
         labels = getIssueLabels(repository.owner, repository.name, issue.issueId)
           .map(ApiLabel(_, RepositoryName(repository))),
         issue.milestoneId.flatMap { getApiMilestone(repository, _) }
@@ -61,7 +60,8 @@ trait ApiIssueControllerBase extends ControllerBase {
     (for {
       issueId <- params("id").toIntOpt
       issue <- getIssue(repository.owner, repository.name, issueId.toString)
-      users = getAccountsByUserNames(Set(issue.openedUserName) ++ issue.assignedUserName, Set())
+      assigneeUsers = getIssueAssignees(repository.owner, repository.name, issueId)
+      users = getAccountsByUserNames(Set(issue.openedUserName) ++ assigneeUsers.map(_.assigneeUserName), Set())
       openedUser <- users.get(issue.openedUserName)
     } yield {
       JsonFormat(
@@ -69,7 +69,7 @@ trait ApiIssueControllerBase extends ControllerBase {
           issue,
           RepositoryName(repository),
           ApiUser(openedUser),
-          issue.assignedUserName.flatMap(users.get(_)).map(ApiUser(_)),
+          assigneeUsers.flatMap(x => users.get(x.assigneeUserName)).map(ApiUser(_)),
           getIssueLabels(repository.owner, repository.name, issue.issueId).map(ApiLabel(_, RepositoryName(repository))),
           issue.milestoneId.flatMap { getApiMilestone(repository, _) }
         )
@@ -92,7 +92,7 @@ trait ApiIssueControllerBase extends ControllerBase {
           repository,
           data.title,
           data.body,
-          data.assignees.headOption,
+          data.assignees,
           milestone.map(_.milestoneId),
           None,
           data.labels,
@@ -103,7 +103,9 @@ trait ApiIssueControllerBase extends ControllerBase {
             issue,
             RepositoryName(repository),
             ApiUser(loginAccount),
-            issue.assignedUserName.flatMap(getAccountByUserName(_)).map(ApiUser(_)),
+            getIssueAssignees(repository.owner, repository.name, issue.issueId)
+              .flatMap(x => getAccountByUserName(x.assigneeUserName, false))
+              .map(ApiUser.apply),
             getIssueLabels(repository.owner, repository.name, issue.issueId)
               .map(ApiLabel(_, RepositoryName(repository))),
             issue.milestoneId.flatMap { getApiMilestone(repository, _) }

src/main/scala/gitbucket/core/controller/api/ApiIssueLabelControllerBase.scala

@@ -1,5 +1,5 @@
 package gitbucket.core.controller.api
-import gitbucket.core.api.{ApiError, ApiLabel, CreateALabel, JsonFormat}
+import gitbucket.core.api.{AddLabelsToAnIssue, ApiError, ApiLabel, CreateALabel, JsonFormat}
 import gitbucket.core.controller.ControllerBase
 import gitbucket.core.service._
 import gitbucket.core.util.Implicits._
@@ -69,8 +69,7 @@ trait ApiIssueLabelControllerBase extends ControllerBase {
       data <- extractFromJsonBody[CreateALabel] if data.isValid
     } yield {
       LockUtil.lock(RepositoryName(repository).fullName) {
-        getLabel(repository.owner, repository.name, params("labelName")).map {
+        getLabel(repository.owner, repository.name, params("labelName")).map { label =>
-          label =>
           if (getLabel(repository.owner, repository.name, data.name).isEmpty) {
             updateLabel(repository.owner, repository.name, label.labelId, data.name, data.color)
             JsonFormat(
@@ -121,10 +120,10 @@ trait ApiIssueLabelControllerBase extends ControllerBase {
    */
   post("/api/v3/repos/:owner/:repository/issues/:id/labels")(writableUsersOnly { repository =>
     JsonFormat(for {
-      data <- extractFromJsonBody[Seq[String]]
+      data <- extractFromJsonBody[AddLabelsToAnIssue]
       issueId <- params("id").toIntOpt
     } yield {
-      data.map { labelName =>
+      data.labels.map { labelName =>
         val label = getLabel(repository.owner, repository.name, labelName).getOrElse(
           getLabel(
             repository.owner,
@@ -160,11 +159,11 @@ trait ApiIssueLabelControllerBase extends ControllerBase {
    */
   put("/api/v3/repos/:owner/:repository/issues/:id/labels")(writableUsersOnly { repository =>
     JsonFormat(for {
-      data <- extractFromJsonBody[Seq[String]]
+      data <- extractFromJsonBody[AddLabelsToAnIssue]
       issueId <- params("id").toIntOpt
     } yield {
       deleteAllIssueLabels(repository.owner, repository.name, issueId, true)
-      data.map { labelName =>
+      data.labels.map { labelName =>
         val label = getLabel(repository.owner, repository.name, labelName).getOrElse(
           getLabel(
             repository.owner,

src/main/scala/gitbucket/core/controller/api/ApiIssueMilestoneControllerBase.scala

@@ -2,7 +2,6 @@ package gitbucket.core.controller.api
 import gitbucket.core.api._
 import gitbucket.core.controller.ControllerBase
 import gitbucket.core.service.MilestonesService
-import gitbucket.core.service.RepositoryService.RepositoryInfo
 import gitbucket.core.util.{ReferrerAuthenticator, WritableUsersAuthenticator}
 import gitbucket.core.util.Implicits._
 import org.scalatra.NoContent
@@ -17,8 +16,10 @@ trait ApiIssueMilestoneControllerBase extends ControllerBase {
   get("/api/v3/repos/:owner/:repository/milestones")(referrersOnly { repository =>
     val state = params.getOrElse("state", "all")
     // TODO "sort", "direction" params should be implemented.
-    val apiMilestones = (for (milestoneWithIssue <- getMilestonesWithIssueCount(repository.owner, repository.name)
+    val apiMilestones = (for (
-                                .sortBy(p => p._1.milestoneId))
+      milestoneWithIssue <- getMilestonesWithIssueCount(repository.owner, repository.name)
+        .sortBy(p => p._1.milestoneId)
+    )
       yield {
         ApiMilestone(
           repository.repository,

src/main/scala/gitbucket/core/controller/api/ApiPullRequestControllerBase.scala

@@ -40,7 +40,7 @@ trait ApiPullRequestControllerBase extends ControllerBase {
     val condition = IssueSearchCondition(request)
     val baseOwner = getAccountByUserName(repository.owner).get
 
-    val issues: List[(Issue, Account, Int, PullRequest, Repository, Account, Option[Account])] =
+    val issues: List[(Issue, Account, Int, PullRequest, Repository, Account, List[Account])] =
       searchPullRequestByApi(
         condition = condition,
         offset = (page - 1) * PullRequestLimit,
@@ -48,8 +48,7 @@ trait ApiPullRequestControllerBase extends ControllerBase {
         repos = repository.owner -> repository.name
       )
 
-    JsonFormat(issues.map {
+    JsonFormat(issues.map { case (issue, issueUser, commentCount, pullRequest, headRepo, headOwner, assignees) =>
-      case (issue, issueUser, commentCount, pullRequest, headRepo, headOwner, assignee) =>
       ApiPullRequest(
         issue = issue,
         pullRequest = pullRequest,
@@ -58,7 +57,7 @@ trait ApiPullRequestControllerBase extends ControllerBase {
         user = ApiUser(issueUser),
         labels = getIssueLabels(repository.owner, repository.name, issue.issueId)
           .map(ApiLabel(_, RepositoryName(repository))),
-          assignee = assignee.map(ApiUser.apply),
+        assignees = assignees.map(ApiUser.apply),
         mergedComment = getMergedComment(repository.owner, repository.name, issue.issueId)
       )
     })
@@ -89,8 +88,7 @@ trait ApiPullRequestControllerBase extends ControllerBase {
         case Left(createPullReq) =>
           val (reqOwner, reqBranch) = parseCompareIdentifier(createPullReq.head, repository.owner)
           getRepository(reqOwner, repository.name)
-            .flatMap {
+            .flatMap { forkedRepository =>
-              forkedRepository =>
               getPullRequestCommitFromTo(repository, forkedRepository, createPullReq.base, reqBranch) match {
                 case (Some(commitIdFrom), Some(commitIdTo)) =>
                   val issueId = insertIssue(
@@ -99,7 +97,6 @@ trait ApiPullRequestControllerBase extends ControllerBase {
                     loginUser = context.loginAccount.get.userName,
                     title = createPullReq.title,
                     content = createPullReq.body,
-                      assignedUserName = None,
                     milestoneId = None,
                     priorityId = None,
                     isPullRequest = true
@@ -129,8 +126,7 @@ trait ApiPullRequestControllerBase extends ControllerBase {
         case Right(createPullReqAlt) =>
           val (reqOwner, reqBranch) = parseCompareIdentifier(createPullReqAlt.head, repository.owner)
           getRepository(reqOwner, repository.name)
-            .flatMap {
+            .flatMap { forkedRepository =>
-              forkedRepository =>
               getPullRequestCommitFromTo(repository, forkedRepository, createPullReqAlt.base, reqBranch) match {
                 case (Some(commitIdFrom), Some(commitIdTo)) =>
                   changeIssueToPullRequest(repository.owner, repository.name, createPullReqAlt.issue)
@@ -191,10 +187,8 @@ trait ApiPullRequestControllerBase extends ControllerBase {
   get("/api/v3/repos/:owner/:repository/pulls/:id/commits")(referrersOnly { repository =>
     val owner = repository.owner
     val name = repository.name
-    params("id").toIntOpt.flatMap {
+    params("id").toIntOpt.flatMap { issueId =>
-      issueId =>
+      getPullRequest(owner, name, issueId) map { case (issue, pullreq) =>
-        getPullRequest(owner, name, issueId) map {
-          case (issue, pullreq) =>
         Using.resource(Git.open(getRepositoryDir(owner, name))) { git =>
           val oldId = git.getRepository.resolve(pullreq.commitIdFrom)
           val newId = git.getRepository.resolve(pullreq.commitIdTo)
@@ -319,8 +313,8 @@ trait ApiPullRequestControllerBase extends ControllerBase {
       baseOwner <- users.get(repository.owner)
       headOwner <- users.get(pullRequest.requestUserName)
       issueUser <- users.get(issue.openedUserName)
-      assignee = issue.assignedUserName.flatMap { userName =>
+      assignees = getIssueAssignees(repository.owner, repository.name, issueId).flatMap { assignedUser =>
-        getAccountByUserName(userName, false)
+        getAccountByUserName(assignedUser.assigneeUserName, false)
       }
       headRepo <- getRepository(pullRequest.requestUserName, pullRequest.requestRepositoryName)
     } yield {
@@ -332,7 +326,7 @@ trait ApiPullRequestControllerBase extends ControllerBase {
         user = ApiUser(issueUser),
         labels = getIssueLabels(repository.owner, repository.name, issue.issueId)
           .map(ApiLabel(_, RepositoryName(repository))),
-        assignee = assignee.map(ApiUser.apply),
+        assignees = assignees.map(ApiUser.apply),
         mergedComment = getMergedComment(repository.owner, repository.name, issue.issueId)
       )
     }

src/main/scala/gitbucket/core/controller/api/ApiReleaseControllerBase.scala

@@ -119,8 +119,7 @@ trait ApiReleaseControllerBase extends ControllerBase {
    * ix. Upload a release asset
    * https://developer.github.com/v3/repos/releases/#upload-a-release-asset
    */
-  post("/api/v3/repos/:owner/:repository/releases/:tag/assets")(writableUsersOnly {
+  post("/api/v3/repos/:owner/:repository/releases/:tag/assets")(writableUsersOnly { repository =>
-    repository =>
     val name = params("name")
     val tag = params("tag")
     getRelease(repository.owner, repository.name, tag)

src/main/scala/gitbucket/core/controller/api/ApiRepositoryBranchControllerBase.scala

@@ -1,11 +1,11 @@
 package gitbucket.core.controller.api
-import gitbucket.core.api._
+import gitbucket.core.api.*
 import gitbucket.core.controller.ControllerBase
 import gitbucket.core.service.{AccountService, ProtectedBranchService, RepositoryService}
-import gitbucket.core.util._
+import gitbucket.core.util.*
-import gitbucket.core.util.Directory._
+import gitbucket.core.util.Directory.*
-import gitbucket.core.util.Implicits._
+import gitbucket.core.util.Implicits.*
-import gitbucket.core.util.JGitUtil.getBranches
+import gitbucket.core.util.JGitUtil.getBranchesNoMergeInfo
 import org.eclipse.jgit.api.Git
 import org.scalatra.NoContent
 
@@ -30,10 +30,9 @@ trait ApiRepositoryBranchControllerBase extends ControllerBase {
     Using.resource(Git.open(getRepositoryDir(repository.owner, repository.name))) { git =>
       JsonFormat(
         JGitUtil
-          .getBranches(
+          .getBranchesNoMergeInfo(
             git = git,
-            defaultBranch = repository.repository.defaultBranch,
+            defaultBranch = repository.repository.defaultBranch
-            origin = repository.repository.originUserName.isEmpty
           )
           .map { br =>
             ApiBranchForList(br.name, ApiBranchCommit(br.commitId))
@@ -47,14 +46,12 @@ trait ApiRepositoryBranchControllerBase extends ControllerBase {
    * https://docs.github.com/en/rest/reference/repos#get-a-branch
    */
   get("/api/v3/repos/:owner/:repository/branches/*")(referrersOnly { repository =>
-    Using.resource(Git.open(getRepositoryDir(repository.owner, repository.name))) {
+    Using.resource(Git.open(getRepositoryDir(repository.owner, repository.name))) { git =>
-      git =>
       (for {
         branch <- params.get("splat") if repository.branchList.contains(branch)
-          br <- getBranches(
+        br <- getBranchesNoMergeInfo(
           git,
-            repository.repository.defaultBranch,
+          repository.repository.defaultBranch
-            repository.repository.originUserName.isEmpty
         ).find(_.name == branch)
       } yield {
         val protection = getProtectedBranchInfo(repository.owner, repository.name, branch)
@@ -274,16 +271,14 @@ trait ApiRepositoryBranchControllerBase extends ControllerBase {
    * https://developer.github.com/v3/repos/#enabling-and-disabling-branch-protection
    */
   patch("/api/v3/repos/:owner/:repository/branches/*")(ownerOnly { repository =>
-    import gitbucket.core.api._
+    import gitbucket.core.api.*
-    Using.resource(Git.open(getRepositoryDir(repository.owner, repository.name))) {
+    Using.resource(Git.open(getRepositoryDir(repository.owner, repository.name))) { git =>
-      git =>
       (for {
         branch <- params.get("splat") if repository.branchList.contains(branch)
         protection <- extractFromJsonBody[ApiBranchProtection.EnablingAndDisabling].map(_.protection)
-          br <- getBranches(
+        br <- getBranchesNoMergeInfo(
           git,
-            repository.repository.defaultBranch,
+          repository.repository.defaultBranch
-            repository.repository.originUserName.isEmpty
         ).find(_.name == branch)
       } yield {
         if (protection.enabled) {

src/main/scala/gitbucket/core/controller/api/ApiRepositoryCommitControllerBase.scala

@@ -4,13 +4,20 @@ import gitbucket.core.controller.ControllerBase
 import gitbucket.core.model.Account
 import gitbucket.core.service.{AccountService, CommitsService, ProtectedBranchService}
 import gitbucket.core.util.Directory.getRepositoryDir
-import gitbucket.core.util.Implicits._
+import gitbucket.core.util.Implicits.*
-import gitbucket.core.util.JGitUtil.{CommitInfo, getBranches, getBranchesOfCommit}
+import gitbucket.core.util.JGitUtil.{CommitInfo, getBranchesNoMergeInfo, getBranchesOfCommit}
 import gitbucket.core.util.{JGitUtil, ReferrerAuthenticator, RepositoryName}
 import org.eclipse.jgit.api.Git
 import org.eclipse.jgit.revwalk.RevWalk
+import org.eclipse.jgit.revwalk.filter.*
+import org.eclipse.jgit.treewalk.filter.{AndTreeFilter, PathFilterGroup, TreeFilter}
 
-import scala.jdk.CollectionConverters._
+import java.time.format.DateTimeFormatter.*
+import java.time.{LocalDateTime, ZoneOffset}
+import java.util.Date
+import scala.collection.mutable.ListBuffer
+import scala.jdk.CollectionConverters.*
+import scala.math.min
 import scala.util.Using
 
 trait ApiRepositoryCommitControllerBase extends ControllerBase {
@@ -22,17 +29,49 @@ trait ApiRepositoryCommitControllerBase extends ControllerBase {
   get("/api/v3/repos/:owner/:repository/commits")(referrersOnly { repository =>
     val owner = repository.owner
     val name = repository.name
-    // TODO: The following parameters need to be implemented. [:path, :author, :since, :until]
+    val sha = params.get("sha").filter(_.nonEmpty).getOrElse("HEAD")
-    val sha = params.getOrElse("sha", "refs/heads/master")
+    val page = params.get("page").filter(_.nonEmpty).getOrElse("1").toInt
-    Using.resource(Git.open(getRepositoryDir(owner, name))) {
+    val per_page = min(params.get("per_page").filter(_.nonEmpty).getOrElse("30").toInt, 100)
-      git =>
+    val author = params.get("author").filter(_.nonEmpty)
+    val path = params.get("path").filter(_.nonEmpty)
+    val since = params.get("since").filter(_.nonEmpty)
+    val until = params.get("until").filter(_.nonEmpty)
+    Using.resource(Git.open(getRepositoryDir(owner, name))) { git =>
       val repo = git.getRepository
-        Using.resource(new RevWalk(repo)) {
+      Using.resource(new RevWalk(repo)) { revWalk =>
-          revWalk =>
         val objectId = repo.resolve(sha)
         revWalk.markStart(revWalk.parseCommit(objectId))
-            JsonFormat(revWalk.asScala.take(30).map {
+        if (path.nonEmpty) {
-              commit =>
+          revWalk.setTreeFilter(
+            AndTreeFilter.create(PathFilterGroup.createFromStrings(path.get), TreeFilter.ANY_DIFF)
+          )
+        }
+        val revfilters = new ListBuffer[(RevFilter)]()
+        if (author.nonEmpty) {
+          revfilters += AuthorRevFilter.create(author.get)
+        }
+        if (since.nonEmpty) {
+          revfilters += CommitTimeRevFilter.after(
+            Date.from(LocalDateTime.parse(since.get, ISO_DATE_TIME).toInstant(ZoneOffset.UTC))
+          )
+        }
+        if (until.nonEmpty) {
+          revfilters += CommitTimeRevFilter.before(
+            Date.from(LocalDateTime.parse(until.get, ISO_DATE_TIME).toInstant(ZoneOffset.UTC))
+          )
+        }
+        if (page > 1) {
+          revfilters += SkipRevFilter.create(page * per_page - 2)
+        }
+        revfilters += MaxCountRevFilter.create(per_page);
+        revWalk.setRevFilter(
+          if (revfilters.size > 1) {
+            AndRevFilter.create(revfilters.toArray)
+          } else {
+            revfilters(0)
+          }
+        )
+        JsonFormat(revWalk.asScala.map { commit =>
           val commitInfo = new CommitInfo(commit)
           ApiCommits(
             repositoryName = RepositoryName(repository),
@@ -56,8 +95,7 @@ trait ApiRepositoryCommitControllerBase extends ControllerBase {
     val name = repository.name
     val sha = params("sha")
 
-    Using.resource(Git.open(getRepositoryDir(owner, name))) {
+    Using.resource(Git.open(getRepositoryDir(owner, name))) { git =>
-      git =>
       val repo = git.getRepository
       val objectId = repo.resolve(sha)
       val commitInfo = Using.resource(new RevWalk(repo)) { revWalk =>
@@ -121,7 +159,7 @@ trait ApiRepositoryCommitControllerBase extends ControllerBase {
     Using.resource(Git.open(getRepositoryDir(repository.owner, repository.name))) { git =>
       val apiBranchForCommits = for {
         branch <- getBranchesOfCommit(git, sha)
-        br <- getBranches(git, branch, repository.repository.originUserName.isEmpty).find(_.name == branch)
+        br <- getBranchesNoMergeInfo(git, branch).find(_.name == branch)
       } yield {
         val protection = getProtectedBranchInfo(repository.owner, repository.name, branch)
         ApiBranchForHeadCommit(branch, ApiBranchCommit(br.commitId), protection.enabled)

src/main/scala/gitbucket/core/controller/api/ApiRepositoryContentsControllerBase.scala

@@ -19,8 +19,7 @@ trait ApiRepositoryContentsControllerBase extends ControllerBase {
    * https://docs.github.com/en/rest/reference/repos#get-a-repository-readme
    */
   get("/api/v3/repos/:owner/:repository/readme")(referrersOnly { repository =>
-    Using.resource(Git.open(getRepositoryDir(params("owner"), params("repository")))) {
+    Using.resource(Git.open(getRepositoryDir(params("owner"), params("repository")))) { git =>
-      git =>
       val refStr = params.getOrElse("ref", repository.repository.defaultBranch)
       val files = getFileList(git, refStr, ".", maxFiles = context.settings.repositoryViewer.maxFiles)
       files // files should be sorted alphabetically.
@@ -134,8 +133,7 @@ trait ApiRepositoryContentsControllerBase extends ControllerBase {
    * requested #2112
    */
   put("/api/v3/repos/:owner/:repository/contents/*")(writableUsersOnly { repository =>
-    context.withLoginAccount {
+    context.withLoginAccount { loginAccount =>
-      loginAccount =>
       JsonFormat(for {
         data <- extractFromJsonBody[CreateAFile]
       } yield {
@@ -146,8 +144,7 @@ trait ApiRepositoryContentsControllerBase extends ControllerBase {
         }
         val paths = multiParams("splat").head.split("/")
         val path = paths.take(paths.size - 1).toList.mkString("/")
-          Using.resource(Git.open(getRepositoryDir(params("owner"), params("repository")))) {
+        Using.resource(Git.open(getRepositoryDir(params("owner"), params("repository")))) { git =>
-            git =>
           val fileInfo = getFileInfo(git, commit, path, false)
 
           fileInfo match {
@@ -157,7 +154,7 @@ trait ApiRepositoryContentsControllerBase extends ControllerBase {
                 Some("https://docs.github.com/en/rest/reference/repos#create-or-update-file-contents")
               )
             case _ =>
-                  val (commitId, blobId) = commitFile(
+              commitFile(
                 repository,
                 branch,
                 path,
@@ -170,12 +167,12 @@ trait ApiRepositoryContentsControllerBase extends ControllerBase {
                 data.committer.map(_.name).getOrElse(loginAccount.fullName),
                 data.committer.map(_.email).getOrElse(loginAccount.mailAddress),
                 context.settings
-                  )
+              ) match {
-
+                case Left(error) =>
-                  blobId match {
+                  ApiError(s"Failed to commit a file: ${error}", None)
-                    case None =>
+                case Right((_, None)) =>
                   ApiError("Failed to commit a file.", None)
-                    case Some(blobId) =>
+                case Right((commitId, Some(blobId))) =>
                   Map(
                     "content" -> ApiContents(
                       "file",

src/main/scala/gitbucket/core/controller/api/ApiRepositoryControllerBase.scala

@@ -16,6 +16,7 @@ import scala.util.Using
 
 trait ApiRepositoryControllerBase extends ControllerBase {
   self: RepositoryService
+    with ApiGitReferenceControllerBase
     with RepositoryCreationService
     with AccountService
     with OwnerAuthenticator
@@ -92,7 +93,8 @@ trait ApiRepositoryControllerBase extends ControllerBase {
             data.name,
             data.description,
             data.`private`,
-            data.auto_init
+            data.auto_init,
+            context.settings.defaultBranch
           )
           Await.result(f, Duration.Inf)
 
@@ -129,7 +131,8 @@ trait ApiRepositoryControllerBase extends ControllerBase {
             data.name,
             data.description,
             data.`private`,
-            data.auto_init
+            data.auto_init,
+            context.settings.defaultBranch
           )
           Await.result(f, Duration.Inf)
           val repository = Database() withTransaction { session =>
@@ -184,9 +187,11 @@ trait ApiRepositoryControllerBase extends ControllerBase {
    * https://docs.github.com/en/rest/reference/repos#list-repository-tags
    */
   get("/api/v3/repos/:owner/:repository/tags")(referrersOnly { repository =>
+    Using.resource(Git.open(getRepositoryDir(repository.owner, repository.name))) { git =>
       JsonFormat(
-      repository.tags.map(tagInfo => ApiTag(tagInfo.name, RepositoryName(repository), tagInfo.id))
+        self.getRef("tags", repository)
       )
+    }
   })
 
   /*

src/main/scala/gitbucket/core/controller/api/ApiRepositoryStatusControllerBase.scala

@@ -47,8 +47,7 @@ trait ApiRepositoryStatusControllerBase extends ControllerBase {
       ref <- params.get("ref")
       sha <- JGitUtil.getShaByRef(repository.owner, repository.name, ref)
     } yield {
-      JsonFormat(getCommitStatusesWithCreator(repository.owner, repository.name, sha).map {
+      JsonFormat(getCommitStatusesWithCreator(repository.owner, repository.name, sha).map { case (status, creator) =>
-        case (status, creator) =>
         ApiCommitStatus(status, ApiUser(creator))
       })
     }) getOrElse NotFound()

src/main/scala/gitbucket/core/model/AccessToken.scala

@@ -10,7 +10,7 @@ trait AccessTokenComponent { self: Profile =>
     val userName = column[String]("USER_NAME")
     val tokenHash = column[String]("TOKEN_HASH")
     val note = column[String]("NOTE")
-    def * = (accessTokenId, userName, tokenHash, note).<>(AccessToken.tupled, AccessToken.unapply)
+    def * = (accessTokenId, userName, tokenHash, note).mapTo[AccessToken]
   }
 }
 case class AccessToken(

src/main/scala/gitbucket/core/model/Account.scala

@@ -35,7 +35,7 @@ trait AccountComponent { self: Profile =>
         groupAccount,
         removed,
         description.?
-      ).<>(Account.tupled, Account.unapply)
+      ).mapTo[Account]
   }
 }
 

src/main/scala/gitbucket/core/model/AccountExtraMailAddress.scala

@@ -9,7 +9,7 @@ trait AccountExtraMailAddressComponent { self: Profile =>
     val userName = column[String]("USER_NAME", O PrimaryKey)
     val extraMailAddress = column[String]("EXTRA_MAIL_ADDRESS", O PrimaryKey)
     def * =
-      (userName, extraMailAddress).<>(AccountExtraMailAddress.tupled, AccountExtraMailAddress.unapply)
+      (userName, extraMailAddress).mapTo[AccountExtraMailAddress]
   }
 }
 

src/main/scala/gitbucket/core/model/AccountFederation.scala

@@ -9,7 +9,7 @@ trait AccountFederationComponent { self: Profile =>
     val issuer = column[String]("ISSUER")
     val subject = column[String]("SUBJECT")
     val userName = column[String]("USER_NAME")
-    def * = (issuer, subject, userName).<>(AccountFederation.tupled, AccountFederation.unapply)
+    def * = (issuer, subject, userName).mapTo[AccountFederation]
 
     def byPrimaryKey(issuer: String, subject: String): Rep[Boolean] =
       (this.issuer === issuer.bind) && (this.subject === subject.bind)

src/main/scala/gitbucket/core/model/AccountPreference.scala

@@ -9,7 +9,7 @@ trait AccountPreferenceComponent { self: Profile =>
     val userName = column[String]("USER_NAME", O PrimaryKey)
     val highlighterTheme = column[String]("HIGHLIGHTER_THEME")
     def * =
-      (userName, highlighterTheme).<>(AccountPreference.tupled, AccountPreference.unapply)
+      (userName, highlighterTheme).mapTo[AccountPreference]
 
     def byPrimaryKey(userName: String): Rep[Boolean] = this.userName === userName.bind
   }

src/main/scala/gitbucket/core/model/AccountWebHook.scala

@@ -12,7 +12,7 @@ trait AccountWebHookComponent extends TemplateComponent { self: Profile =>
     val url = column[String]("URL")
     val token = column[Option[String]]("TOKEN")
     val ctype = column[WebHookContentType]("CTYPE")
-    def * = (userName, url, ctype, token).<>((AccountWebHook.apply _).tupled, AccountWebHook.unapply)
+    def * = (userName, url, ctype, token).mapTo[AccountWebHook]
 
     def byPrimaryKey(userName: String, url: String) = (this.userName === userName.bind) && (this.url === url.bind)
   }

src/main/scala/gitbucket/core/model/AccountWebHookEvent.scala

@@ -12,7 +12,7 @@ trait AccountWebHookEventComponent extends TemplateComponent { self: Profile =>
     val url = column[String]("URL")
     val event = column[WebHook.Event]("EVENT")
 
-    def * = (userName, url, event).<>((AccountWebHookEvent.apply _).tupled, AccountWebHookEvent.unapply)
+    def * = (userName, url, event).mapTo[AccountWebHookEvent]
 
     def byAccountWebHook(userName: String, url: String) = (this.userName === userName.bind) && (this.url === url.bind)
 

src/main/scala/gitbucket/core/model/Activity.scala

@@ -11,7 +11,7 @@ trait ActivityComponent extends TemplateComponent { self: Profile =>
   lazy val Activities = TableQuery[Activities]
 
   class Activities(tag: Tag) extends Table[Activity](tag, "ACTIVITY") with BasicTemplate {
-    def * = ???
+    def * : slick.lifted.ProvenShape[Activity] = ???
   }
 }
 

src/main/scala/gitbucket/core/model/BasicTemplate.scala

@@ -3,7 +3,7 @@ package gitbucket.core.model
 protected[model] trait TemplateComponent { self: Profile =>
   import profile.api._
 
-  trait BasicTemplate { self: Table[_] =>
+  trait BasicTemplate { self: Table[?] =>
     val userName = column[String]("USER_NAME")
     val repositoryName = column[String]("REPOSITORY_NAME")
 
@@ -18,7 +18,7 @@ protected[model] trait TemplateComponent { self: Profile =>
       (this.userName === userName) && (this.repositoryName === repositoryName)
   }
 
-  trait IssueTemplate extends BasicTemplate { self: Table[_] =>
+  trait IssueTemplate extends BasicTemplate { self: Table[?] =>
     val issueId = column[Int]("ISSUE_ID")
 
     def byIssue(owner: String, repository: String, issueId: Int) =
@@ -28,7 +28,7 @@ protected[model] trait TemplateComponent { self: Profile =>
       byRepository(userName, repositoryName) && (this.issueId === issueId)
   }
 
-  trait LabelTemplate extends BasicTemplate { self: Table[_] =>
+  trait LabelTemplate extends BasicTemplate { self: Table[?] =>
     val labelId = column[Int]("LABEL_ID")
     val labelName = column[String]("LABEL_NAME")
 
@@ -42,7 +42,7 @@ protected[model] trait TemplateComponent { self: Profile =>
       byRepository(owner, repository) && (this.labelName === labelName.bind)
   }
 
-  trait PriorityTemplate extends BasicTemplate { self: Table[_] =>
+  trait PriorityTemplate extends BasicTemplate { self: Table[?] =>
     val priorityId = column[Int]("PRIORITY_ID")
     val priorityName = column[String]("PRIORITY_NAME")
 
@@ -56,7 +56,7 @@ protected[model] trait TemplateComponent { self: Profile =>
       byRepository(owner, repository) && (this.priorityName === priorityName.bind)
   }
 
-  trait MilestoneTemplate extends BasicTemplate { self: Table[_] =>
+  trait MilestoneTemplate extends BasicTemplate { self: Table[?] =>
     val milestoneId = column[Int]("MILESTONE_ID")
 
     def byMilestone(owner: String, repository: String, milestoneId: Int) =
@@ -66,7 +66,7 @@ protected[model] trait TemplateComponent { self: Profile =>
       byRepository(userName, repositoryName) && (this.milestoneId === milestoneId)
   }
 
-  trait CommitTemplate extends BasicTemplate { self: Table[_] =>
+  trait CommitTemplate extends BasicTemplate { self: Table[?] =>
     val commitId = column[String]("COMMIT_ID")
 
     def byCommit(owner: String, repository: String, commitId: String) =
@@ -76,7 +76,7 @@ protected[model] trait TemplateComponent { self: Profile =>
       byRepository(userName, repositoryName) && (this.commitId === commitId)
   }
 
-  trait BranchTemplate extends BasicTemplate { self: Table[_] =>
+  trait BranchTemplate extends BasicTemplate { self: Table[?] =>
     val branch = column[String]("BRANCH")
     def byBranch(owner: String, repository: String, branchName: String) =
       byRepository(owner, repository) && (branch === branchName.bind)

src/main/scala/gitbucket/core/model/Collaborator.scala

@@ -8,7 +8,7 @@ trait CollaboratorComponent extends TemplateComponent { self: Profile =>
   class Collaborators(tag: Tag) extends Table[Collaborator](tag, "COLLABORATOR") with BasicTemplate {
     val collaboratorName = column[String]("COLLABORATOR_NAME")
     val role = column[String]("ROLE")
-    def * = (userName, repositoryName, collaboratorName, role).<>(Collaborator.tupled, Collaborator.unapply)
+    def * = (userName, repositoryName, collaboratorName, role).mapTo[Collaborator]
 
     def byPrimaryKey(owner: String, repository: String, collaborator: String) =
       byRepository(owner, repository) && (collaboratorName === collaborator.bind)

src/main/scala/gitbucket/core/model/Comment.scala

@@ -21,7 +21,7 @@ trait IssueCommentComponent extends TemplateComponent { self: Profile =>
     val updatedDate = column[java.util.Date]("UPDATED_DATE")
     def * =
       (userName, repositoryName, issueId, commentId, action, commentedUserName, content, registeredDate, updatedDate)
-        .<>(IssueComment.tupled, IssueComment.unapply)
+        .mapTo[IssueComment]
 
     def byPrimaryKey(commentId: Int) = this.commentId === commentId.bind
   }
@@ -75,7 +75,7 @@ trait CommitCommentComponent extends TemplateComponent { self: Profile =>
         originalCommitId,
         originalOldLine,
         originalNewLine
-      ).<>(CommitComment.tupled, CommitComment.unapply)
+      ).mapTo[CommitComment]
 
     def byPrimaryKey(commentId: Int) = this.commentId === commentId.bind
   }

src/main/scala/gitbucket/core/model/CommitStatus.scala

@@ -30,7 +30,7 @@ trait CommitStatusComponent extends TemplateComponent { self: Profile =>
         creator,
         registeredDate,
         updatedDate
-      ).<>((CommitStatus.apply _).tupled, CommitStatus.unapply)
+      ).mapTo[CommitStatus]
     def byPrimaryKey(id: Int) = commitStatusId === id.bind
   }
 }

src/main/scala/gitbucket/core/model/CustomField.scala

@@ -0,0 +1,377 @@
+package gitbucket.core.model
+
+import gitbucket.core.controller.Context
+import gitbucket.core.service.RepositoryService.RepositoryInfo
+import gitbucket.core.util.StringUtil
+import gitbucket.core.view.helpers
+import org.scalatra.i18n.Messages
+import play.twirl.api.Html
+
+trait CustomFieldComponent extends TemplateComponent { self: Profile =>
+  import profile.api._
+
+  lazy val CustomFields = TableQuery[CustomFields]
+
+  class CustomFields(tag: Tag) extends Table[CustomField](tag, "CUSTOM_FIELD") with BasicTemplate {
+    val fieldId = column[Int]("FIELD_ID", O AutoInc)
+    val fieldName = column[String]("FIELD_NAME")
+    val fieldType = column[String]("FIELD_TYPE")
+    val constraints = column[Option[String]]("CONSTRAINTS")
+    val enableForIssues = column[Boolean]("ENABLE_FOR_ISSUES")
+    val enableForPullRequests = column[Boolean]("ENABLE_FOR_PULL_REQUESTS")
+    def * =
+      (userName, repositoryName, fieldId, fieldName, fieldType, constraints, enableForIssues, enableForPullRequests)
+        .mapTo[CustomField]
+
+    def byPrimaryKey(userName: String, repositoryName: String, fieldId: Int) =
+      (this.userName === userName.bind) && (this.repositoryName === repositoryName.bind) && (this.fieldId === fieldId.bind)
+  }
+}
+
+case class CustomField(
+  userName: String,
+  repositoryName: String,
+  fieldId: Int = 0,
+  fieldName: String,
+  fieldType: String, // long, double, string, date, or enum
+  constraints: Option[String],
+  enableForIssues: Boolean,
+  enableForPullRequests: Boolean
+)
+
+trait CustomFieldBehavior {
+  def createHtml(repository: RepositoryInfo, fieldId: Int, fieldName: String, constraints: Option[String])(implicit
+    context: Context
+  ): String
+  def fieldHtml(
+    repository: RepositoryInfo,
+    issueId: Int,
+    fieldId: Int,
+    fieldName: String,
+    constraints: Option[String],
+    value: String,
+    editable: Boolean
+  )(implicit
+    context: Context
+  ): String
+  def validate(name: String, constraints: Option[String], value: String, messages: Messages): Option[String]
+}
+
+object CustomFieldBehavior {
+  def validate(field: CustomField, value: String, messages: Messages): Option[String] = {
+    if (value.isEmpty) None
+    else {
+      CustomFieldBehavior(field.fieldType).flatMap { behavior =>
+        behavior.validate(field.fieldName, field.constraints, value, messages)
+      }
+    }
+  }
+
+  def apply(fieldType: String): Option[CustomFieldBehavior] = {
+    fieldType match {
+      case "long"   => Some(LongFieldBehavior)
+      case "double" => Some(DoubleFieldBehavior)
+      case "string" => Some(StringFieldBehavior)
+      case "date"   => Some(DateFieldBehavior)
+      case "enum"   => Some(EnumFieldBehavior)
+      case _        => None
+    }
+  }
+
+  case object LongFieldBehavior extends TextFieldBehavior {
+    override def validate(
+      name: String,
+      constraints: Option[String],
+      value: String,
+      messages: Messages
+    ): Option[String] = {
+      try {
+        value.toLong
+        None
+      } catch {
+        case _: NumberFormatException => Some(messages("error.number").format(name))
+      }
+    }
+  }
+  case object DoubleFieldBehavior extends TextFieldBehavior {
+    override def validate(
+      name: String,
+      constraints: Option[String],
+      value: String,
+      messages: Messages
+    ): Option[String] = {
+      try {
+        value.toDouble
+        None
+      } catch {
+        case _: NumberFormatException => Some(messages("error.number").format(name))
+      }
+    }
+  }
+  case object StringFieldBehavior extends TextFieldBehavior
+  case object DateFieldBehavior extends TextFieldBehavior {
+    private val pattern = "yyyy-MM-dd"
+    override protected val fieldType: String = "date"
+
+    override def validate(
+      name: String,
+      constraints: Option[String],
+      value: String,
+      messages: Messages
+    ): Option[String] = {
+      try {
+        new java.text.SimpleDateFormat(pattern).parse(value)
+        None
+      } catch {
+        case _: java.text.ParseException =>
+          Some(messages("error.datePattern").format(name, pattern))
+      }
+    }
+  }
+
+  case object EnumFieldBehavior extends CustomFieldBehavior {
+    override def createHtml(repository: RepositoryInfo, fieldId: Int, fieldName: String, constraints: Option[String])(
+      implicit context: Context
+    ): String = {
+      createPulldownHtml(repository, fieldId, fieldName, constraints, None, None)
+    }
+
+    override def fieldHtml(
+      repository: RepositoryInfo,
+      issueId: Int,
+      fieldId: Int,
+      fieldName: String,
+      constraints: Option[String],
+      value: String,
+      editable: Boolean
+    )(implicit context: Context): String = {
+      if (!editable) {
+        val sb = new StringBuilder
+        sb.append("""</div>""")
+        sb.append("""<div>""")
+        if (value == "") {
+          sb.append(s"""<span id="label-custom-field-$fieldId"><span class="muted small">No ${StringUtil.escapeHtml(
+              fieldName
+            )}</span></span>""")
+        } else {
+          sb.append(s"""<span id="label-custom-field-$fieldId"><span class="muted small">${StringUtil
+              .escapeHtml(value)}</span></span>""")
+        }
+        sb.toString()
+      } else {
+        createPulldownHtml(repository, fieldId, fieldName, constraints, Some(issueId), Some(value))
+      }
+    }
+
+    private def createPulldownHtml(
+      repository: RepositoryInfo,
+      fieldId: Int,
+      fieldName: String,
+      constraints: Option[String],
+      issueId: Option[Int],
+      value: Option[String]
+    )(implicit context: Context): String = {
+      val sb = new StringBuilder
+      sb.append("""<div class="pull-right">""")
+      sb.append(
+        gitbucket.core.helper.html
+          .dropdown("Edit", right = true, filter = (fieldName, s"Filter $fieldName")) {
+            val options = new StringBuilder()
+            options.append(
+              s"""<li><a href="javascript:void(0);" class="custom-field-option-$fieldId" data-value=""><i class="octicon octicon-x"></i> Clear ${StringUtil
+                  .escapeHtml(fieldName)}</a></li>"""
+            )
+            constraints.foreach { x =>
+              x.split(",").map(_.trim).foreach { item =>
+                options.append(s"""<li>
+                 |  <a href="javascript:void(0);" class="custom-field-option-$fieldId" data-value="${StringUtil
+                                   .escapeHtml(item)}">
+                 |    ${gitbucket.core.helper.html.checkicon(value.contains(item))}
+                 |    ${StringUtil.escapeHtml(item)}
+                 |  </a>
+                 |</li>
+                 |""".stripMargin)
+              }
+            }
+            Html(options.toString())
+          }
+          .toString()
+      )
+      sb.append("""</div>""")
+      sb.append("""</div>""")
+      sb.append("""<div>""")
+      value match {
+        case None =>
+          sb.append(s"""<span id="label-custom-field-$fieldId"><span class="muted small">No ${StringUtil.escapeHtml(
+              fieldName
+            )}</span></span>""")
+        case Some(value) =>
+          sb.append(s"""<span id="label-custom-field-$fieldId"><span class="muted small">${StringUtil
+              .escapeHtml(value)}</span></span>""")
+      }
+      if (value.isEmpty || issueId.isEmpty) {
+        sb.append(s"""<input type="hidden" id="custom-field-$fieldId" name="custom-field-$fieldId" value=""/>""")
+        sb.append(s"""<script>
+             |$$('a.custom-field-option-$fieldId').click(function(){
+             |  const value = $$(this).data('value');
+             |  $$('a.custom-field-option-$fieldId i.octicon-check').removeClass('octicon-check');
+             |  $$('#custom-field-$fieldId').val(value);
+             |  if (value == '') {
+             |    $$('#label-custom-field-$fieldId').html($$('<span class="muted small">').text('No ${StringUtil
+                      .escapeHtml(fieldName)}'));
+             |  } else {
+             |    $$('#label-custom-field-$fieldId').html($$('<span class="muted small">').text(value));
+             |    $$('a.custom-field-option-$fieldId[data-value=' + value + '] i').addClass('octicon-check');
+             |  }
+             |});
+             |</script>""".stripMargin)
+      } else {
+        sb.append(s"""<script>
+             |$$('a.custom-field-option-$fieldId').click(function(){
+             |  const value = $$(this).data('value');
+             |  $$.post('${helpers.url(repository)}/issues/${issueId.get}/customfield/$fieldId',
+             |    { value: value },
+             |    function(data){
+             |      $$('a.custom-field-option-$fieldId i.octicon-check').removeClass('octicon-check');
+             |      if (value == '') {
+             |        $$('#label-custom-field-$fieldId').html($$('<span class="muted small">').text('No ${StringUtil
+                      .escapeHtml(fieldName)}'));
+             |      } else {
+             |        $$('#label-custom-field-$fieldId').html($$('<span class="muted small">').text(value));
+             |        $$('a.custom-field-option-$fieldId[data-value=' + value + '] i').addClass('octicon-check');
+             |      }
+             |    }
+             |  );
+             |});
+             |</script>
+             |""".stripMargin)
+      }
+      sb.toString()
+    }
+
+    override def validate(
+      name: String,
+      constraints: Option[String],
+      value: String,
+      messages: Messages
+    ): Option[String] = None
+  }
+
+  trait TextFieldBehavior extends CustomFieldBehavior {
+    protected val fieldType = "text"
+
+    override def createHtml(repository: RepositoryInfo, fieldId: Int, fieldName: String, constraints: Option[String])(
+      implicit context: Context
+    ): String = {
+      val sb = new StringBuilder
+      sb.append(
+        s"""<input type="$fieldType" class="form-control input-sm" id="custom-field-$fieldId" name="custom-field-$fieldId" data-field-id="$fieldId" style="width: 120px;"/>"""
+      )
+      sb.append(s"""<script>
+                   |$$('#custom-field-$fieldId').focusout(function(){
+                   |  const $$this = $$(this);
+                   |  $$.post('${helpers.url(repository)}/issues/customfield_validation/$fieldId',
+                   |    { value: $$this.val() },
+                   |    function(data){
+                   |      if (data != '') {
+                   |        $$('#custom-field-$fieldId-error').text(data);
+                   |      } else {
+                   |        $$('#custom-field-$fieldId-error').text('');
+                   |      }
+                   |    }
+                   |  );
+                   |});
+                   |</script>
+                   |""".stripMargin)
+      sb.toString()
+    }
+
+    override def fieldHtml(
+      repository: RepositoryInfo,
+      issueId: Int,
+      fieldId: Int,
+      fieldName: String,
+      constraints: Option[String],
+      value: String,
+      editable: Boolean
+    )(implicit
+      context: Context
+    ): String = {
+      val sb = new StringBuilder
+      if (value.nonEmpty) {
+        sb.append(
+          s"""<span id="custom-field-$fieldId-label" class="custom-field-label">${StringUtil
+              .escapeHtml(value)}</span>"""
+        )
+      } else {
+        if (editable) {
+          sb.append(
+            s"""<span id="custom-field-$fieldId-label" class="custom-field-label"><i class="octicon octicon-pencil" style="cursor: pointer;"></i></span>"""
+          )
+        } else {
+          sb.append(
+            s"""<span id="custom-field-$fieldId-label" class="custom-field-label">N/A</span>"""
+          )
+        }
+      }
+      if (editable) {
+        sb.append(
+          s"""<input type="$fieldType" id="custom-field-$fieldId-editor" class="form-control input-sm custom-field-editor" data-field-id="$fieldId" style="width: 120px; display: none;"/>"""
+        )
+        sb.append(s"""<script>
+            |$$('#custom-field-$fieldId-label').click(function(){
+            |  const $$this = $$(this);
+            |  $$this.hide();
+            |  $$this.next().val($$this.text()).show().focus();
+            |});
+            |
+            |$$('#custom-field-$fieldId-editor').focusout(function(){
+            |  const $$this = $$(this);
+            |  $$.post('${helpers.url(repository)}/issues/customfield_validation/$fieldId',
+            |    { value: $$this.val() },
+            |    function(data){
+            |      if (data != '') {
+            |        $$('#custom-field-$fieldId-error').text(data);
+            |      } else {
+            |        $$('#custom-field-$fieldId-error').text('');
+            |        $$.post('${helpers.url(repository)}/issues/$issueId/customfield/$fieldId',
+            |          { value: $$this.val() },
+            |          function(data){
+            |            $$this.hide();
+            |            if (data == '') {
+            |              $$this.prev().html('<i class="octicon octicon-pencil" style="cursor: pointer;">').show();
+            |            } else {
+            |              $$this.prev().text(data).show();
+            |            }
+            |          }
+            |        );
+            |      }
+            |    }
+            |  );
+            |});
+            |
+            |// ESC key handling in text field
+            |$$('#custom-field-$fieldId-editor').keyup(function(e){
+            |  if (e.keyCode == 27) {
+            |    const $$this = $$(this);
+            |    $$this.hide();
+            |    $$this.prev().show();
+            |  }
+            |  if (e.keyCode == 13) {
+            |    $$('#custom-field-$fieldId-editor').blur();
+            |  }
+            |});
+            |</script>
+            |""".stripMargin)
+      }
+      sb.toString()
+    }
+
+    override def validate(
+      name: String,
+      constraints: Option[String],
+      value: String,
+      messages: Messages
+    ): Option[String] = None
+  }
+}

src/main/scala/gitbucket/core/model/DeployKey.scala

@@ -11,7 +11,7 @@ trait DeployKeyComponent extends TemplateComponent { self: Profile =>
     val publicKey = column[String]("PUBLIC_KEY")
     val allowWrite = column[Boolean]("ALLOW_WRITE")
     def * =
-      (userName, repositoryName, deployKeyId, title, publicKey, allowWrite).<>(DeployKey.tupled, DeployKey.unapply)
+      (userName, repositoryName, deployKeyId, title, publicKey, allowWrite).mapTo[DeployKey]
 
     def byPrimaryKey(userName: String, repositoryName: String, deployKeyId: Int) =
       (this.userName === userName.bind) && (this.repositoryName === repositoryName.bind) && (this.deployKeyId === deployKeyId.bind)

src/main/scala/gitbucket/core/model/GpgKey.scala

@@ -11,7 +11,7 @@ trait GpgKeyComponent { self: Profile =>
     val gpgKeyId = column[Long]("GPG_KEY_ID")
     val title = column[String]("TITLE")
     val publicKey = column[String]("PUBLIC_KEY")
-    def * = (userName, keyId, gpgKeyId, title, publicKey).<>(GpgKey.tupled, GpgKey.unapply)
+    def * = (userName, keyId, gpgKeyId, title, publicKey).mapTo[GpgKey]
 
     def byPrimaryKey(userName: String, keyId: Int) =
       (this.userName === userName.bind) && (this.keyId === keyId.bind)

src/main/scala/gitbucket/core/model/GroupMembers.scala

@@ -9,7 +9,7 @@ trait GroupMemberComponent { self: Profile =>
     val groupName = column[String]("GROUP_NAME", O PrimaryKey)
     val userName = column[String]("USER_NAME", O PrimaryKey)
     val isManager = column[Boolean]("MANAGER")
-    def * = (groupName, userName, isManager).<>(GroupMember.tupled, GroupMember.unapply)
+    def * = (groupName, userName, isManager).mapTo[GroupMember]
   }
 }
 

src/main/scala/gitbucket/core/model/Issue.scala

@@ -27,7 +27,6 @@ trait IssueComponent extends TemplateComponent { self: Profile =>
       with MilestoneTemplate
       with PriorityTemplate {
     val openedUserName = column[String]("OPENED_USER_NAME")
-    val assignedUserName = column[String]("ASSIGNED_USER_NAME")
     val title = column[String]("TITLE")
     val content = column[String]("CONTENT")
     val closed = column[Boolean]("CLOSED")
@@ -42,14 +41,13 @@ trait IssueComponent extends TemplateComponent { self: Profile =>
         openedUserName,
         milestoneId.?,
         priorityId.?,
-        assignedUserName.?,
         title,
         content.?,
         closed,
         registeredDate,
         updatedDate,
         pullRequest
-      ).<>(Issue.tupled, Issue.unapply)
+      ).mapTo[Issue]
 
     def byPrimaryKey(owner: String, repository: String, issueId: Int) = byIssue(owner, repository, issueId)
   }
@@ -62,7 +60,6 @@ case class Issue(
   openedUserName: String,
   milestoneId: Option[Int],
   priorityId: Option[Int],
-  assignedUserName: Option[String],
   title: String,
   content: Option[String],
   closed: Boolean,

src/main/scala/gitbucket/core/model/IssueAssignee.scala

@@ -0,0 +1,25 @@
+package gitbucket.core.model
+
+trait IssueAssigneeComponent extends TemplateComponent { self: Profile =>
+  import profile.api._
+  import self._
+
+  lazy val IssueAssignees = TableQuery[IssueAssignees]
+
+  class IssueAssignees(tag: Tag) extends Table[IssueAssignee](tag, "ISSUE_ASSIGNEE") with IssueTemplate {
+    val assigneeUserName = column[String]("ASSIGNEE_USER_NAME")
+    def * =
+      (userName, repositoryName, issueId, assigneeUserName).mapTo[IssueAssignee]
+
+    def byPrimaryKey(owner: String, repository: String, issueId: Int, assigneeUserName: String) = {
+      byIssue(owner, repository, issueId) && this.assigneeUserName === assigneeUserName.bind
+    }
+  }
+}
+
+case class IssueAssignee(
+  userName: String,
+  repositoryName: String,
+  issueId: Int,
+  assigneeUserName: String
+)

src/main/scala/gitbucket/core/model/IssueCustomFields.scala

@@ -0,0 +1,30 @@
+package gitbucket.core.model
+
+trait IssueCustomFieldComponent extends TemplateComponent { self: Profile =>
+  import profile.api._
+  import self._
+
+  lazy val IssueCustomFields = TableQuery[IssueCustomFields]
+
+  class IssueCustomFields(tag: Tag) extends Table[IssueCustomField](tag, "ISSUE_CUSTOM_FIELD") {
+    val userName = column[String]("USER_NAME", O.PrimaryKey)
+    val repositoryName = column[String]("REPOSITORY_NAME", O.PrimaryKey)
+    val issueId = column[Int]("ISSUE_ID", O.PrimaryKey)
+    val fieldId = column[Int]("FIELD_ID", O.PrimaryKey)
+    val value = column[String]("VALUE")
+    def * =
+      (userName, repositoryName, issueId, fieldId, value).mapTo[IssueCustomField]
+
+    def byPrimaryKey(owner: String, repository: String, issueId: Int, fieldId: Int) = {
+      this.userName === owner.bind && this.repositoryName === repository.bind && this.issueId === issueId.bind && this.fieldId === fieldId.bind
+    }
+  }
+}
+
+case class IssueCustomField(
+  userName: String,
+  repositoryName: String,
+  issueId: Int,
+  fieldId: Int,
+  value: String
+)

src/main/scala/gitbucket/core/model/IssueLabels.scala

@@ -6,7 +6,7 @@ trait IssueLabelComponent extends TemplateComponent { self: Profile =>
   lazy val IssueLabels = TableQuery[IssueLabels]
 
   class IssueLabels(tag: Tag) extends Table[IssueLabel](tag, "ISSUE_LABEL") with IssueTemplate with LabelTemplate {
-    def * = (userName, repositoryName, issueId, labelId).<>(IssueLabel.tupled, IssueLabel.unapply)
+    def * = (userName, repositoryName, issueId, labelId).mapTo[IssueLabel]
     def byPrimaryKey(owner: String, repository: String, issueId: Int, labelId: Int) =
       byIssue(owner, repository, issueId) && (this.labelId === labelId.bind)
   }

src/main/scala/gitbucket/core/model/Labels.scala

@@ -9,7 +9,7 @@ trait LabelComponent extends TemplateComponent { self: Profile =>
     override val labelId = column[Int]("LABEL_ID", O AutoInc)
     override val labelName = column[String]("LABEL_NAME")
     val color = column[String]("COLOR")
-    def * = (userName, repositoryName, labelId, labelName, color).<>(Label.tupled, Label.unapply)
+    def * = (userName, repositoryName, labelId, labelName, color).mapTo[Label]
 
     def byPrimaryKey(owner: String, repository: String, labelId: Int) = byLabel(owner, repository, labelId)
     def byPrimaryKey(userName: Rep[String], repositoryName: Rep[String], labelId: Rep[Int]) =

src/main/scala/gitbucket/core/model/Milestone.scala

@@ -13,8 +13,7 @@ trait MilestoneComponent extends TemplateComponent { self: Profile =>
     val dueDate = column[Option[java.util.Date]]("DUE_DATE")
     val closedDate = column[Option[java.util.Date]]("CLOSED_DATE")
     def * =
-      (userName, repositoryName, milestoneId, title, description, dueDate, closedDate)
+      (userName, repositoryName, milestoneId, title, description, dueDate, closedDate).mapTo[Milestone]
-        .<>(Milestone.tupled, Milestone.unapply)
 
     def byPrimaryKey(owner: String, repository: String, milestoneId: Int) = byMilestone(owner, repository, milestoneId)
     def byPrimaryKey(userName: Rep[String], repositoryName: Rep[String], milestoneId: Rep[Int]) =

src/main/scala/gitbucket/core/model/Priorities.scala

@@ -13,8 +13,7 @@ trait PriorityComponent extends TemplateComponent { self: Profile =>
     val isDefault = column[Boolean]("IS_DEFAULT")
     val color = column[String]("COLOR")
     def * =
-      (userName, repositoryName, priorityId, priorityName, description.?, isDefault, ordering, color)
+      (userName, repositoryName, priorityId, priorityName, description.?, isDefault, ordering, color).mapTo[Priority]
-        .<>(Priority.tupled, Priority.unapply)
 
     def byPrimaryKey(owner: String, repository: String, priorityId: Int) = byPriority(owner, repository, priorityId)
     def byPrimaryKey(userName: Rep[String], repositoryName: Rep[String], priorityId: Rep[Int]) =

src/main/scala/gitbucket/core/model/Profile.scala

@@ -73,5 +73,8 @@ trait CoreProfile
     with ReleaseAssetComponent
     with AccountExtraMailAddressComponent
     with AccountPreferenceComponent
+    with CustomFieldComponent
+    with IssueCustomFieldComponent
+    with IssueAssigneeComponent
 
 object Profile extends CoreProfile

src/main/scala/gitbucket/core/model/ProtectedBranch.scala

@@ -7,7 +7,7 @@ trait ProtectedBranchComponent extends TemplateComponent { self: Profile =>
   lazy val ProtectedBranches = TableQuery[ProtectedBranches]
   class ProtectedBranches(tag: Tag) extends Table[ProtectedBranch](tag, "PROTECTED_BRANCH") with BranchTemplate {
     val statusCheckAdmin = column[Boolean]("STATUS_CHECK_ADMIN")
-    def * = (userName, repositoryName, branch, statusCheckAdmin).<>(ProtectedBranch.tupled, ProtectedBranch.unapply)
+    def * = (userName, repositoryName, branch, statusCheckAdmin).mapTo[ProtectedBranch]
     def byPrimaryKey(userName: String, repositoryName: String, branch: String) =
       byBranch(userName, repositoryName, branch)
     def byPrimaryKey(userName: Rep[String], repositoryName: Rep[String], branch: Rep[String]) =
@@ -20,7 +20,7 @@ trait ProtectedBranchComponent extends TemplateComponent { self: Profile =>
       with BranchTemplate {
     val context = column[String]("CONTEXT")
     def * =
-      (userName, repositoryName, branch, context).<>(ProtectedBranchContext.tupled, ProtectedBranchContext.unapply)
+      (userName, repositoryName, branch, context).mapTo[ProtectedBranchContext]
   }
 }
 

src/main/scala/gitbucket/core/model/PullRequest.scala

@@ -25,7 +25,7 @@ trait PullRequestComponent extends TemplateComponent { self: Profile =>
         commitIdFrom,
         commitIdTo,
         isDraft
-      ).<>(PullRequest.tupled, PullRequest.unapply)
+      ).mapTo[PullRequest]
 
     def byPrimaryKey(userName: String, repositoryName: String, issueId: Int) =
       byIssue(userName, repositoryName, issueId)

src/main/scala/gitbucket/core/model/ReleaseAsset.scala

@@ -20,7 +20,7 @@ trait ReleaseAssetComponent extends TemplateComponent { self: Profile =>
 
     def * =
       (userName, repositoryName, tag, releaseAssetId, fileName, label, size, uploader, registeredDate, updatedDate)
-        .<>(ReleaseAsset.tupled, ReleaseAsset.unapply)
+        .mapTo[ReleaseAsset]
     def byPrimaryKey(owner: String, repository: String, tag: String, fileName: String) =
       byTag(owner, repository, tag) && (this.fileName === fileName.bind)
     def byTag(owner: String, repository: String, tag: String) =

src/main/scala/gitbucket/core/model/ReleaseTag.scala

@@ -15,8 +15,7 @@ trait ReleaseTagComponent extends TemplateComponent { self: Profile =>
     val updatedDate = column[java.util.Date]("UPDATED_DATE")
 
     def * =
-      (userName, repositoryName, name, tag, author, content, registeredDate, updatedDate)
+      (userName, repositoryName, name, tag, author, content, registeredDate, updatedDate).mapTo[ReleaseTag]
-        .<>(ReleaseTag.tupled, ReleaseTag.unapply)
     def byPrimaryKey(owner: String, repository: String, tag: String) = byTag(owner, repository, tag)
     def byTag(owner: String, repository: String, tag: String) =
       byRepository(owner, repository) && (this.tag === tag.bind)