Merged 2.0.0-m3

scm-core/src/main/java/sonia/scm/repository/api/LogCommandBuilder.java

@@ -398,6 +398,11 @@ public final class LogCommandBuilder
     return this;
   }
 
+  public LogCommandBuilder setAncestorChangeset(String ancestorChangeset) {
+    request.setAncestorChangeset(ancestorChangeset);
+    return this;
+  }
+
   //~--- inner classes --------------------------------------------------------
 
   /**

scm-core/src/main/java/sonia/scm/repository/spi/DiffCommandRequest.java

@@ -109,7 +109,10 @@ public final class DiffCommandRequest extends FileBaseCommandRequest
     this.format = format;
   }
 
-  //~--- get methods ----------------------------------------------------------
+  public void setAncestorChangeset(String ancestorChangeset) {
+    this.ancestorChangeset = ancestorChangeset;
+  }
+//~--- get methods ----------------------------------------------------------
 
   /**
    * Return the output format of the diff command.
@@ -124,8 +127,13 @@ public final class DiffCommandRequest extends FileBaseCommandRequest
     return format;
   }
 
-  //~--- fields ---------------------------------------------------------------
+  public String getAncestorChangeset() {
+    return ancestorChangeset;
+  }
+//~--- fields ---------------------------------------------------------------
 
   /** diff format */
   private DiffFormat format = DiffFormat.NATIVE;
+
+  private String ancestorChangeset;
 }

scm-core/src/main/java/sonia/scm/repository/spi/LogCommandRequest.java

@@ -84,7 +84,8 @@ public final class LogCommandRequest implements Serializable, Resetable
       && Objects.equal(pagingStart, other.pagingStart)
       && Objects.equal(pagingLimit, other.pagingLimit)
       && Objects.equal(path, other.path) 
-      && Objects.equal(branch, other.branch);
+      && Objects.equal(branch, other.branch)
+      && Objects.equal(ancestorChangeset, other.ancestorChangeset);
     //J+
   }
 
@@ -98,7 +99,7 @@ public final class LogCommandRequest implements Serializable, Resetable
   public int hashCode()
   {
     return Objects.hashCode(startChangeset, endChangeset, pagingStart,
-      pagingLimit, path, branch);
+      pagingLimit, path, branch, ancestorChangeset);
   }
 
   /**
@@ -114,6 +115,7 @@ public final class LogCommandRequest implements Serializable, Resetable
     pagingLimit = 20;
     path = null;
     branch = null;
+    ancestorChangeset = null;
   }
 
   /**
@@ -133,6 +135,7 @@ public final class LogCommandRequest implements Serializable, Resetable
                   .add("pagingLimit", pagingLimit)
                   .add("path", path)
                   .add("branch", branch)
+                  .add("ancestorChangeset", ancestorChangeset)
                   .toString();
     //J+
   }
@@ -205,6 +208,10 @@ public final class LogCommandRequest implements Serializable, Resetable
     this.startChangeset = startChangeset;
   }
 
+  public void setAncestorChangeset(String ancestorChangeset) {
+    this.ancestorChangeset = ancestorChangeset;
+  }
+
   //~--- get methods ----------------------------------------------------------
 
   /**
@@ -284,6 +291,10 @@ public final class LogCommandRequest implements Serializable, Resetable
     return pagingLimit < 0;
   }
 
+  public String getAncestorChangeset() {
+    return ancestorChangeset;
+  }
+
   //~--- fields ---------------------------------------------------------------
 
   /** Field description */
@@ -303,4 +314,6 @@ public final class LogCommandRequest implements Serializable, Resetable
 
   /** Field description */
   private String startChangeset;
+
+  private String ancestorChangeset;
 }

scm-plugins/scm-git-plugin/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@scm-manager/scm-git-plugin",
-  "license" : "BSD-3-Clause",
+  "license": "BSD-3-Clause",
   "main": "src/main/js/index.js",
   "scripts": {
     "build": "ui-bundler plugin",
@@ -9,9 +9,9 @@
     "flow": "flow check"
   },
   "dependencies": {
-    "@scm-manager/ui-extensions": "^0.0.7"
+    "@scm-manager/ui-extensions": "^0.1.1"
   },
   "devDependencies": {
-    "@scm-manager/ui-bundler": "^0.0.19"
+    "@scm-manager/ui-bundler": "^0.0.21"
   }
 }

scm-plugins/scm-git-plugin/src/main/java/sonia/scm/repository/GitRepositoryHandler.java

@@ -116,17 +116,17 @@ public class GitRepositoryHandler
   public void init(SCMContextProvider context)
   {
     super.init(context);
-    scheduleGc();
+    scheduleGc(getConfig().getGcExpression());
   }
 
   @Override
   public void setConfig(GitConfig config)
   {
+    scheduleGc(config.getGcExpression());
     super.setConfig(config);
-    scheduleGc();
   }
   
-  private void scheduleGc()
+  private void scheduleGc(String expression)
   {
     synchronized (LOCK){
       if ( task != null ){
@@ -134,11 +134,10 @@ public class GitRepositoryHandler
         task.cancel();
         task = null;
       }
-      String exp = getConfig().getGcExpression();
+      if (!Strings.isNullOrEmpty(expression))
-      if (!Strings.isNullOrEmpty(exp))
       {
-        logger.info("schedule git gc task with expression {}", exp);
+        logger.info("schedule git gc task with expression {}", expression);
-        task = scheduler.schedule(exp, GitGcTask.class);
+        task = scheduler.schedule(expression, GitGcTask.class);
       }
     }
   }

scm-plugins/scm-git-plugin/src/main/java/sonia/scm/repository/GitUtil.java

@@ -48,6 +48,7 @@ import org.eclipse.jgit.lib.ObjectId;
 import org.eclipse.jgit.lib.Ref;
 import org.eclipse.jgit.revwalk.RevCommit;
 import org.eclipse.jgit.revwalk.RevWalk;
+import org.eclipse.jgit.revwalk.filter.RevFilter;
 import org.eclipse.jgit.storage.file.FileRepositoryBuilder;
 import org.eclipse.jgit.transport.FetchResult;
 import org.eclipse.jgit.transport.RefSpec;
@@ -716,6 +717,18 @@ public final class GitUtil
     return (id != null) &&!id.equals(ObjectId.zeroId());
   }
 
+  /**
+   * Computes the first common ancestor of two revisions, aka merge base.
+   */
+  public static ObjectId computeCommonAncestor(org.eclipse.jgit.lib.Repository repository, ObjectId revision1, ObjectId revision2) throws IOException {
+    try (RevWalk mergeBaseWalk = new RevWalk(repository)) {
+      mergeBaseWalk.setRevFilter(RevFilter.MERGE_BASE);
+      mergeBaseWalk.markStart(mergeBaseWalk.lookupCommit(revision1));
+      mergeBaseWalk.markStart(mergeBaseWalk.parseCommit(revision2));
+      return mergeBaseWalk.next().getId();
+    }
+  }
+
   //~--- methods --------------------------------------------------------------
 
   /**

scm-plugins/scm-git-plugin/src/main/java/sonia/scm/repository/spi/GitDiffCommand.java

@@ -34,27 +34,25 @@ package sonia.scm.repository.spi;
 
 //~--- non-JDK imports --------------------------------------------------------
 
+import com.google.common.base.Strings;
 import org.eclipse.jgit.diff.DiffEntry;
 import org.eclipse.jgit.diff.DiffFormatter;
+import org.eclipse.jgit.lib.ObjectId;
 import org.eclipse.jgit.revwalk.RevCommit;
 import org.eclipse.jgit.revwalk.RevTree;
 import org.eclipse.jgit.revwalk.RevWalk;
 import org.eclipse.jgit.treewalk.EmptyTreeIterator;
 import org.eclipse.jgit.treewalk.TreeWalk;
 import org.eclipse.jgit.treewalk.filter.PathFilter;
-
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-
 import sonia.scm.repository.GitUtil;
 import sonia.scm.repository.Repository;
 import sonia.scm.util.Util;
 
-//~--- JDK imports ------------------------------------------------------------
-
 import java.io.BufferedOutputStream;
+import java.io.IOException;
 import java.io.OutputStream;
-
 import java.util.List;
 
 /**
@@ -107,7 +105,8 @@ public class GitDiffCommand extends AbstractGitCommand implements DiffCommand
 
       walk = new RevWalk(gr);
 
-      RevCommit commit = walk.parseCommit(gr.resolve(request.getRevision()));
+      ObjectId revision = gr.resolve(request.getRevision());
+      RevCommit commit = walk.parseCommit(revision);
 
       walk.markStart(commit);
       commit = walk.next();
@@ -120,7 +119,15 @@ public class GitDiffCommand extends AbstractGitCommand implements DiffCommand
         treeWalk.setFilter(PathFilter.create(request.getPath()));
       }
 
-      if (commit.getParentCount() > 0)
+
+      if (!Strings.isNullOrEmpty(request.getAncestorChangeset()))
+      {
+        ObjectId otherRevision = gr.resolve(request.getAncestorChangeset());
+        ObjectId ancestorId = computeCommonAncestor(gr, revision, otherRevision);
+        RevTree tree = walk.parseCommit(ancestorId).getTree();
+        treeWalk.addTree(tree);
+      }
+      else if (commit.getParentCount() > 0)
       {
         RevTree tree = commit.getParent(0).getTree();
 
@@ -156,7 +163,6 @@ public class GitDiffCommand extends AbstractGitCommand implements DiffCommand
     }
     catch (Exception ex)
     {
-
       // TODO throw exception
       logger.error("could not create diff", ex);
     }
@@ -167,4 +173,9 @@ public class GitDiffCommand extends AbstractGitCommand implements DiffCommand
       GitUtil.release(formatter);
     }
   }
+
+  private ObjectId computeCommonAncestor(org.eclipse.jgit.lib.Repository repository, ObjectId revision1, ObjectId revision2) throws IOException {
+    return GitUtil.computeCommonAncestor(repository, revision1, revision2);
+  }
+
 }

scm-plugins/scm-git-plugin/src/main/java/sonia/scm/repository/spi/GitLogCommand.java

@@ -43,6 +43,7 @@ import org.eclipse.jgit.lib.Ref;
 import org.eclipse.jgit.lib.Repository;
 import org.eclipse.jgit.revwalk.RevCommit;
 import org.eclipse.jgit.revwalk.RevWalk;
+import org.eclipse.jgit.revwalk.filter.RevFilter;
 import org.eclipse.jgit.treewalk.filter.AndTreeFilter;
 import org.eclipse.jgit.treewalk.filter.PathFilter;
 import org.eclipse.jgit.treewalk.filter.TreeFilter;
@@ -198,6 +199,14 @@ public class GitLogCommand extends AbstractGitCommand implements LogCommand
           endId = repository.resolve(request.getEndChangeset());
         }
 
+        Ref branch = getBranchOrDefault(repository,request.getBranch());
+
+        ObjectId ancestorId = null;
+
+        if (!Strings.isNullOrEmpty(request.getAncestorChangeset())) {
+          ancestorId = computeCommonAncestor(request, repository, startId, branch);
+        }
+
         revWalk = new RevWalk(repository);
 
         converter = new GitChangesetConverter(repository, revWalk);
@@ -208,8 +217,6 @@ public class GitLogCommand extends AbstractGitCommand implements LogCommand
               PathFilter.create(request.getPath()), TreeFilter.ANY_DIFF));
         }
 
-        Ref branch = getBranchOrDefault(repository,request.getBranch());
-
         if (branch != null) {
           if (startId != null) {
             revWalk.markStart(revWalk.lookupCommit(startId));
@@ -217,11 +224,16 @@ public class GitLogCommand extends AbstractGitCommand implements LogCommand
             revWalk.markStart(revWalk.lookupCommit(branch.getObjectId()));
           }
 
+
           Iterator<RevCommit> iterator = revWalk.iterator();
 
           while (iterator.hasNext()) {
             RevCommit commit = iterator.next();
 
+            if (commit.getId().equals(ancestorId)) {
+              break;
+            }
+
             if ((counter >= start)
               && ((limit < 0) || (counter < start + limit))) {
               changesetList.add(converter.createChangeset(commit));
@@ -229,7 +241,7 @@ public class GitLogCommand extends AbstractGitCommand implements LogCommand
 
             counter++;
 
-            if ((endId != null) && commit.getId().equals(endId)) {
+            if (commit.getId().equals(endId)) {
               break;
             }
           }
@@ -263,4 +275,17 @@ public class GitLogCommand extends AbstractGitCommand implements LogCommand
 
     return changesets;
   }
+
+  private ObjectId computeCommonAncestor(LogCommandRequest request, Repository repository, ObjectId startId, Ref branch) throws IOException {
+    try (RevWalk mergeBaseWalk = new RevWalk(repository)) {
+      mergeBaseWalk.setRevFilter(RevFilter.MERGE_BASE);
+      if (startId != null) {
+        mergeBaseWalk.markStart(mergeBaseWalk.lookupCommit(startId));
+      } else {
+        mergeBaseWalk.markStart(mergeBaseWalk.lookupCommit(branch.getObjectId()));
+      }
+      mergeBaseWalk.markStart(mergeBaseWalk.parseCommit(repository.resolve(request.getAncestorChangeset())));
+      return mergeBaseWalk.next().getId();
+    }
+  }
 }

scm-plugins/scm-git-plugin/src/main/js/GitConfigurationForm.js

@@ -0,0 +1,79 @@
+//@flow
+import React from "react";
+import { translate } from "react-i18next";
+import type { Links } from "@scm-manager/ui-types";
+
+import { InputField, Checkbox } from "@scm-manager/ui-components";
+
+type Configuration = {
+  repositoryDirectory?: string,
+  gcExpression?: string,
+  disabled: boolean,
+  _links: Links
+}
+
+type Props = {
+  initialConfiguration: Configuration,
+  readOnly: boolean,
+
+  onConfigurationChange: (Configuration, boolean) => void,
+
+  // context props
+  t: (string) => string
+}
+
+type State = Configuration & {
+
+}
+
+class GitConfigurationForm extends React.Component<Props, State> {
+
+  constructor(props: Props) {
+    super(props);
+    this.state = { ...props.initialConfiguration };
+  }
+
+  isValid = () => {
+    return !!this.state.repositoryDirectory;
+  };
+
+  handleChange = (value: any, name: string) => {
+    this.setState({
+      [name]: value
+    }, () => this.props.onConfigurationChange(this.state, this.isValid()));
+  };
+
+  render() {
+    const { repositoryDirectory, gcExpression, disabled } = this.state;
+    const { readOnly, t } = this.props;
+
+    return (
+      <>
+        <InputField name="repositoryDirectory"
+                    label={t("scm-git-plugin.config.directory")}
+                    helpText={t("scm-git-plugin.config.directoryHelpText")}
+                    value={repositoryDirectory}
+                    onChange={this.handleChange}
+                    disabled={readOnly}
+        />
+        <InputField name="gcExpression"
+                    label={t("scm-git-plugin.config.gcExpression")}
+                    helpText={t("scm-git-plugin.config.gcExpressionHelpText")}
+                    value={gcExpression}
+                    onChange={this.handleChange}
+                    disabled={readOnly}
+        />
+        <Checkbox name="disabled"
+                  label={t("scm-git-plugin.config.disabled")}
+                  helpText={t("scm-git-plugin.config.disabledHelpText")}
+                  checked={disabled}
+                  onChange={this.handleChange}
+                  disabled={readOnly}
+        />
+      </>
+    );
+  }
+
+}
+
+export default translate("plugins")(GitConfigurationForm);

scm-plugins/scm-git-plugin/src/main/js/GitGlobalConfiguration.js

@@ -0,0 +1,32 @@
+//@flow
+import React from "react";
+import { translate } from "react-i18next";
+import { Title, GlobalConfiguration } from "@scm-manager/ui-components";
+import GitConfigurationForm from "./GitConfigurationForm";
+
+type Props = {
+  link: string,
+
+  t: (string) => string
+};
+
+class GitGlobalConfiguration extends React.Component<Props> {
+
+  constructor(props: Props) {
+    super(props);
+  }
+
+  render() {
+    const { link, t } = this.props;
+
+    return (
+      <div>
+        <Title title={t("scm-git-plugin.config.title")}/>
+        <GlobalConfiguration link={link} render={props => <GitConfigurationForm {...props} />}/>
+      </div>
+    );
+  }
+
+}
+
+export default translate("plugins")(GitGlobalConfiguration);

scm-plugins/scm-git-plugin/src/main/js/index.js

@@ -3,9 +3,18 @@ import { binder } from "@scm-manager/ui-extensions";
 import ProtocolInformation from "./ProtocolInformation";
 import GitAvatar from "./GitAvatar";
 
+import { ConfigurationBinder as cfgBinder } from "@scm-manager/ui-components";
+import GitGlobalConfiguration from "./GitGlobalConfiguration";
+
+// repository
+
 const gitPredicate = (props: Object) => {
   return props.repository && props.repository.type === "git";
 };
 
 binder.bind("repos.repository-details.information", ProtocolInformation, gitPredicate);
 binder.bind("repos.repository-avatar", GitAvatar, gitPredicate);
+
+// global config
+
+cfgBinder.bindGlobal("/git", "scm-git-plugin.config.link", "gitConfig", GitGlobalConfiguration);

scm-plugins/scm-git-plugin/src/main/resources/locales/en/plugins.json

@@ -4,6 +4,17 @@
       "clone" : "Clone the repository",
       "create" : "Create a new repository",
       "replace" : "Push an existing repository"
+    },
+    "config": {
+      "link": "Git",
+      "title": "Git Configuration",
+      "directory": "Repository Directory",
+      "directoryHelpText": "Location of the Git repositories.",
+      "gcExpression": "GC Cron Expression",
+      "gcExpressionHelpText": "Use Quartz Cron Expressions (SECOND MINUTE HOUR DAYOFMONTH MONTH DAYOFWEEK) to run git gc in intervals.",
+      "disabled": "Disabled",
+      "disabledHelpText": "Enable or disable the Git plugin",
+      "submit": "Submit"
     }
   }
 }

scm-plugins/scm-git-plugin/src/test/java/sonia/scm/repository/spi/GitDiffCommandTest.java

@@ -0,0 +1,93 @@
+package sonia.scm.repository.spi;
+
+import org.junit.Test;
+
+import java.io.ByteArrayOutputStream;
+
+import static org.junit.Assert.assertEquals;
+
+public class GitDiffCommandTest extends AbstractGitCommandTestBase {
+
+  public static final String DIFF_FILE_A = "diff --git a/a.txt b/a.txt\n" +
+    "index 7898192..1dc60c7 100644\n" +
+    "--- a/a.txt\n" +
+    "+++ b/a.txt\n" +
+    "@@ -1 +1 @@\n" +
+    "-a\n" +
+    "+a and b\n";
+  public static final String DIFF_FILE_B = "diff --git a/b.txt b/b.txt\n" +
+    "deleted file mode 100644\n" +
+    "index 6178079..0000000\n" +
+    "--- a/b.txt\n" +
+    "+++ /dev/null\n" +
+    "@@ -1 +0,0 @@\n" +
+    "-b\n";
+  public static final String DIFF_FILE_A_MULTIPLE_REVISIONS = "diff --git a/a.txt b/a.txt\n" +
+    "index 7898192..2f8bc28 100644\n" +
+    "--- a/a.txt\n" +
+    "+++ b/a.txt\n" +
+    "@@ -1 +1,2 @@\n" +
+    " a\n" +
+    "+line for blame\n";
+  public static final String DIFF_FILE_F_MULTIPLE_REVISIONS = "diff --git a/f.txt b/f.txt\n" +
+    "new file mode 100644\n" +
+    "index 0000000..6a69f92\n" +
+    "--- /dev/null\n" +
+    "+++ b/f.txt\n" +
+    "@@ -0,0 +1 @@\n" +
+    "+f\n";
+
+  @Test
+  public void diffForOneRevisionShouldCreateDiff() {
+    GitDiffCommand gitDiffCommand = new GitDiffCommand(createContext(), repository);
+    DiffCommandRequest diffCommandRequest = new DiffCommandRequest();
+    diffCommandRequest.setRevision("3f76a12f08a6ba0dc988c68b7f0b2cd190efc3c4");
+    ByteArrayOutputStream output = new ByteArrayOutputStream();
+    gitDiffCommand.getDiffResult(diffCommandRequest, output);
+    assertEquals(DIFF_FILE_A + DIFF_FILE_B, output.toString());
+  }
+
+  @Test
+  public void diffForOneBranchShouldCreateDiff() {
+    GitDiffCommand gitDiffCommand = new GitDiffCommand(createContext(), repository);
+    DiffCommandRequest diffCommandRequest = new DiffCommandRequest();
+    diffCommandRequest.setRevision("test-branch");
+    ByteArrayOutputStream output = new ByteArrayOutputStream();
+    gitDiffCommand.getDiffResult(diffCommandRequest, output);
+    assertEquals(DIFF_FILE_A + DIFF_FILE_B, output.toString());
+  }
+
+  @Test
+  public void diffForPathShouldCreateLimitedDiff() {
+    GitDiffCommand gitDiffCommand = new GitDiffCommand(createContext(), repository);
+    DiffCommandRequest diffCommandRequest = new DiffCommandRequest();
+    diffCommandRequest.setRevision("test-branch");
+    diffCommandRequest.setPath("a.txt");
+    ByteArrayOutputStream output = new ByteArrayOutputStream();
+    gitDiffCommand.getDiffResult(diffCommandRequest, output);
+    assertEquals(DIFF_FILE_A, output.toString());
+  }
+
+  @Test
+  public void diffBetweenTwoBranchesShouldCreateDiff() {
+    GitDiffCommand gitDiffCommand = new GitDiffCommand(createContext(), repository);
+    DiffCommandRequest diffCommandRequest = new DiffCommandRequest();
+    diffCommandRequest.setRevision("master");
+    diffCommandRequest.setAncestorChangeset("test-branch");
+    ByteArrayOutputStream output = new ByteArrayOutputStream();
+    gitDiffCommand.getDiffResult(diffCommandRequest, output);
+    assertEquals(DIFF_FILE_A_MULTIPLE_REVISIONS + DIFF_FILE_F_MULTIPLE_REVISIONS, output.toString());
+  }
+
+  @Test
+  public void diffBetweenTwoBranchesForPathShouldCreateLimitedDiff() {
+    GitDiffCommand gitDiffCommand = new GitDiffCommand(createContext(), repository);
+    DiffCommandRequest diffCommandRequest = new DiffCommandRequest();
+    diffCommandRequest.setRevision("master");
+    diffCommandRequest.setAncestorChangeset("test-branch");
+    diffCommandRequest.setPath("a.txt");
+    ByteArrayOutputStream output = new ByteArrayOutputStream();
+    gitDiffCommand.getDiffResult(diffCommandRequest, output);
+    assertEquals(DIFF_FILE_A_MULTIPLE_REVISIONS, output.toString());
+  }
+}

scm-plugins/scm-git-plugin/src/test/java/sonia/scm/repository/spi/GitLogCommandTest.java

@@ -64,7 +64,7 @@ public class GitLogCommandTest extends AbstractGitCommandTestBase
    * Tests log command with the usage of a default branch.
    */
   @Test
-  public void testGetDefaultBranch() throws Exception {
+  public void testGetDefaultBranch() {
     // without default branch, the repository head should be used
     ChangesetPagingResult result = createCommand().getChangesets(new LogCommandRequest());
 
@@ -92,7 +92,7 @@ public class GitLogCommandTest extends AbstractGitCommandTestBase
   }
 
   @Test
-  public void testGetAll() throws Exception
+  public void testGetAll()
   {
     ChangesetPagingResult result =
       createCommand().getChangesets(new LogCommandRequest());
@@ -103,7 +103,7 @@ public class GitLogCommandTest extends AbstractGitCommandTestBase
   }
 
   @Test
-  public void testGetAllByPath() throws Exception
+  public void testGetAllByPath()
   {
     LogCommandRequest request = new LogCommandRequest();
 
@@ -119,7 +119,7 @@ public class GitLogCommandTest extends AbstractGitCommandTestBase
   }
 
   @Test
-  public void testGetAllWithLimit() throws Exception
+  public void testGetAllWithLimit()
   {
     LogCommandRequest request = new LogCommandRequest();
 
@@ -143,7 +143,7 @@ public class GitLogCommandTest extends AbstractGitCommandTestBase
   }
 
   @Test
-  public void testGetAllWithPaging() throws Exception
+  public void testGetAllWithPaging()
   {
     LogCommandRequest request = new LogCommandRequest();
 
@@ -194,7 +194,7 @@ public class GitLogCommandTest extends AbstractGitCommandTestBase
   }
 
   @Test
-  public void testGetRange() throws Exception
+  public void testGetRange()
   {
     LogCommandRequest request = new LogCommandRequest();
 
@@ -216,6 +216,26 @@ public class GitLogCommandTest extends AbstractGitCommandTestBase
     assertEquals("435df2f061add3589cb326cc64be9b9c3897ceca", c2.getId());
   }
 
+  @Test
+  public void testGetAncestor()
+  {
+    LogCommandRequest request = new LogCommandRequest();
+
+    request.setBranch("test-branch");
+    request.setAncestorChangeset("master");
+
+    ChangesetPagingResult result = createCommand().getChangesets(request);
+
+    assertNotNull(result);
+    assertEquals(1, result.getTotal());
+    assertEquals(1, result.getChangesets().size());
+
+    Changeset c = result.getChangesets().get(0);
+
+    assertNotNull(c);
+    assertEquals("3f76a12f08a6ba0dc988c68b7f0b2cd190efc3c4", c.getId());
+  }
+
   @Test
   public void shouldFindDefaultBranchFromHEAD() throws Exception {
     setRepositoryHeadReference("ref: refs/heads/test-branch");

scm-plugins/scm-git-plugin/yarn.lock

@@ -707,9 +707,9 @@
   version "0.0.2"
   resolved "https://registry.yarnpkg.com/@scm-manager/eslint-config/-/eslint-config-0.0.2.tgz#94cc8c3fb4f51f870b235893dc134fc6c423ae85"
 
-"@scm-manager/ui-bundler@^0.0.19":
+"@scm-manager/ui-bundler@^0.0.21":
-  version "0.0.19"
+  version "0.0.21"
-  resolved "https://registry.yarnpkg.com/@scm-manager/ui-bundler/-/ui-bundler-0.0.19.tgz#646ab1fa1e5389fad614542215c60678fb9816ae"
+  resolved "https://registry.yarnpkg.com/@scm-manager/ui-bundler/-/ui-bundler-0.0.21.tgz#f8b5fa355415cc67b8aaf8744e1701a299dff647"
   dependencies:
     "@babel/core" "^7.0.0"
     "@babel/plugin-proposal-class-properties" "^7.0.0"
@@ -747,9 +747,9 @@
     vinyl-source-stream "^2.0.0"
     watchify "^3.11.0"
 
-"@scm-manager/ui-extensions@^0.0.7":
+"@scm-manager/ui-extensions@^0.1.1":
-  version "0.0.7"
+  version "0.1.1"
-  resolved "https://registry.yarnpkg.com/@scm-manager/ui-extensions/-/ui-extensions-0.0.7.tgz#a0a657a1410b78838ba0b36096ef631dca7fe27e"
+  resolved "https://registry.yarnpkg.com/@scm-manager/ui-extensions/-/ui-extensions-0.1.1.tgz#966e62d89981e92a14adf7e674e646e76de96d45"
   dependencies:
     react "^16.4.2"
     react-dom "^16.4.2"

scm-plugins/scm-hg-plugin/package.json

@@ -6,9 +6,9 @@
     "build": "ui-bundler plugin"
   },
   "dependencies": {
-    "@scm-manager/ui-extensions": "^0.0.7"
+    "@scm-manager/ui-extensions": "^0.1.1"
   },
   "devDependencies": {
-    "@scm-manager/ui-bundler": "^0.0.19"
+    "@scm-manager/ui-bundler": "^0.0.21"
   }
 }

scm-plugins/scm-hg-plugin/src/main/js/HgConfigurationForm.js

@@ -0,0 +1,113 @@
+//@flow
+import React from "react";
+import type { Links } from "@scm-manager/ui-types";
+import { translate } from "react-i18next";
+import { InputField, Checkbox } from "@scm-manager/ui-components";
+
+type Configuration = {
+  "hgBinary": string,
+  "pythonBinary": string,
+  "pythonPath"?: string,
+  "repositoryDirectory": string,
+  "encoding": string,
+  "useOptimizedBytecode": boolean,
+  "showRevisionInId": boolean,
+  "disabled": boolean,
+  "_links": Links
+};
+
+type Props = {
+  initialConfiguration: Configuration,
+  readOnly: boolean,
+
+  onConfigurationChange: (Configuration, boolean) => void,
+
+  // context props
+  t: (string) => string
+}
+
+type State = Configuration & {
+  validationErrors: string[]
+};
+
+class HgConfigurationForm extends React.Component<Props, State> {
+
+  constructor(props: Props) {
+    super(props);
+    this.state = { ...props.initialConfiguration, validationErrors: [] };
+  }
+
+  updateValidationStatus = () => {
+    const requiredFields = [
+      "hgBinary", "pythonBinary", "repositoryDirectory", "encoding"
+    ];
+
+    const validationErrors = [];
+    for (let field of requiredFields) {
+      if (!this.state[field]) {
+        validationErrors.push( field );
+      }
+    }
+
+    this.setState({
+      validationErrors
+    });
+
+    return validationErrors.length === 0;
+  };
+
+
+  hasValidationError = (name: string) => {
+    return this.state.validationErrors.indexOf(name) >= 0;
+  };
+
+  handleChange = (value: any, name: string) => {
+    this.setState({
+      [name]: value
+    }, () => this.props.onConfigurationChange(this.state, this.updateValidationStatus()));
+  };
+
+  inputField = (name: string) => {
+    const { readOnly, t } = this.props;
+    return <InputField
+      name={ name }
+      label={t("scm-hg-plugin.config." + name)}
+      helpText={t("scm-hg-plugin.config." + name + "HelpText")}
+      value={this.state[name]}
+      onChange={this.handleChange}
+      validationError={this.hasValidationError(name)}
+      errorMessage={t("scm-hg-plugin.config.required")}
+      disabled={readOnly}
+    />;
+  };
+
+  checkbox = (name: string) => {
+    const { readOnly, t } = this.props;
+    return <Checkbox
+      name={ name }
+      label={t("scm-hg-plugin.config." + name)}
+      helpText={t("scm-hg-plugin.config." + name + "HelpText")}
+      checked={this.state[name]}
+      onChange={this.handleChange}
+      disabled={readOnly}
+    />;
+  };
+
+  render() {
+    return (
+      <>
+        {this.inputField("hgBinary")}
+        {this.inputField("pythonBinary")}
+        {this.inputField("pythonPath")}
+        {this.inputField("repositoryDirectory")}
+        {this.inputField("encoding")}
+        {this.checkbox("useOptimizedBytecode")}
+        {this.checkbox("showRevisionInId")}
+        {this.checkbox("disabled")}
+      </>
+    );
+  }
+
+}
+
+export default translate("plugins")(HgConfigurationForm);

scm-plugins/scm-hg-plugin/src/main/js/HgGlobalConfiguration.js

@@ -0,0 +1,28 @@
+//@flow
+import React from "react";
+import { Title, GlobalConfiguration } from "@scm-manager/ui-components";
+import { translate } from "react-i18next";
+import HgConfigurationForm from "./HgConfigurationForm";
+
+type Props = {
+  link: string,
+
+  // context props
+  t: (string) => string
+}
+
+class HgGlobalConfiguration extends React.Component<Props> {
+
+  render() {
+    const  { link, t } = this.props;
+    return (
+      <div>
+        <Title title={t("scm-hg-plugin.config.title")}/>
+        <GlobalConfiguration link={link} render={props => <HgConfigurationForm {...props} />}/>
+      </div>
+    );
+  }
+
+}
+
+export default translate("plugins")(HgGlobalConfiguration);

scm-plugins/scm-hg-plugin/src/main/js/index.js

@@ -2,6 +2,8 @@
 import { binder } from "@scm-manager/ui-extensions";
 import ProtocolInformation from "./ProtocolInformation";
 import HgAvatar from "./HgAvatar";
+import { ConfigurationBinder as cfgBinder } from "@scm-manager/ui-components";
+import HgGlobalConfiguration from "./HgGlobalConfiguration";
 
 const hgPredicate = (props: Object) => {
   return props.repository && props.repository.type === "hg";
@@ -9,3 +11,7 @@ const hgPredicate = (props: Object) => {
 
 binder.bind("repos.repository-details.information", ProtocolInformation, hgPredicate);
 binder.bind("repos.repository-avatar", HgAvatar, hgPredicate);
+
+// bind global configuration
+
+cfgBinder.bindGlobal("/hg", "scm-hg-plugin.config.link", "hgConfig", HgGlobalConfiguration);

scm-plugins/scm-hg-plugin/src/main/resources/locales/en/plugins.json

@@ -4,6 +4,27 @@
       "clone" : "Clone the repository",
       "create" : "Create a new repository",
       "replace" : "Push an existing repository"
+    },
+    "config": {
+      "link": "Mercurial",
+      "title": "Mercurial Configuration",
+      "hgBinary": "HG Binary",
+      "hgBinaryHelpText": "Location of Mercurial binary.",
+      "pythonBinary": "Python Binary",
+      "pythonBinaryHelpText": "Location of Python binary.",
+      "pythonPath": "Python Module Search Path",
+      "pythonPathHelpText": "Python Module Search Path (PYTHONPATH).",
+      "repositoryDirectory": "Repository directory",
+      "repositoryDirectoryHelpText": "Location of Mercurial repositories.",
+      "encoding": "Encoding",
+      "encodingHelpText": "Repository Encoding.",
+      "useOptimizedBytecode": "Optimized Bytecode (.pyo)",
+      "useOptimizedBytecodeHelpText": "Use the Python '-O' switch.",
+      "showRevisionInId": "Show Revision",
+      "showRevisionInIdHelpText": "Show revision as part of the node id.",
+      "disabled": "Disabled",
+      "disabledHelpText": "Enable or disable the Mercurial plugin.",
+      "required": "This configuration value is required"
     }
   }
 }

scm-plugins/scm-hg-plugin/yarn.lock

@@ -641,9 +641,9 @@
   version "0.0.2"
   resolved "https://registry.yarnpkg.com/@scm-manager/eslint-config/-/eslint-config-0.0.2.tgz#94cc8c3fb4f51f870b235893dc134fc6c423ae85"
 
-"@scm-manager/ui-bundler@^0.0.19":
+"@scm-manager/ui-bundler@^0.0.21":
-  version "0.0.19"
+  version "0.0.21"
-  resolved "https://registry.yarnpkg.com/@scm-manager/ui-bundler/-/ui-bundler-0.0.19.tgz#646ab1fa1e5389fad614542215c60678fb9816ae"
+  resolved "https://registry.yarnpkg.com/@scm-manager/ui-bundler/-/ui-bundler-0.0.21.tgz#f8b5fa355415cc67b8aaf8744e1701a299dff647"
   dependencies:
     "@babel/core" "^7.0.0"
     "@babel/plugin-proposal-class-properties" "^7.0.0"
@@ -660,7 +660,6 @@
     browserify-css "^0.14.0"
     colors "^1.3.1"
     commander "^2.17.1"
-    connect-history-api-fallback "^1.5.0"
     eslint "^5.4.0"
     eslint-config-react-app "^2.1.0"
     eslint-plugin-flowtype "^2.50.0"
@@ -682,9 +681,9 @@
     vinyl-source-stream "^2.0.0"
     watchify "^3.11.0"
 
-"@scm-manager/ui-extensions@^0.0.7":
+"@scm-manager/ui-extensions@^0.1.1":
-  version "0.0.7"
+  version "0.1.1"
-  resolved "https://registry.yarnpkg.com/@scm-manager/ui-extensions/-/ui-extensions-0.0.7.tgz#a0a657a1410b78838ba0b36096ef631dca7fe27e"
+  resolved "https://registry.yarnpkg.com/@scm-manager/ui-extensions/-/ui-extensions-0.1.1.tgz#966e62d89981e92a14adf7e674e646e76de96d45"
   dependencies:
     react "^16.4.2"
     react-dom "^16.4.2"

scm-plugins/scm-svn-plugin/package.json

@@ -6,9 +6,9 @@
     "build": "ui-bundler plugin"
   },
   "dependencies": {
-    "@scm-manager/ui-extensions": "^0.0.7"
+    "@scm-manager/ui-extensions": "^0.1.1"
   },
   "devDependencies": {
-    "@scm-manager/ui-bundler": "^0.0.19"
+    "@scm-manager/ui-bundler": "^0.0.21"
   }
 }

scm-plugins/scm-svn-plugin/src/main/js/SvnConfigurationForm.js

@@ -0,0 +1,107 @@
+//@flow
+import React from "react";
+import type { Links } from "@scm-manager/ui-types";
+import { translate } from "react-i18next";
+import { InputField, Checkbox, Select } from "@scm-manager/ui-components";
+
+type Configuration = {
+  repositoryDirectory: string,
+  compatibility: string,
+  enabledGZip: boolean,
+  disabled: boolean,
+  _links: Links
+};
+
+type Props = {
+  initialConfiguration: Configuration,
+  readOnly: boolean,
+
+  onConfigurationChange: (Configuration, boolean) => void,
+
+  // context props
+  t: (string) => string
+}
+
+type State = Configuration;
+
+class HgConfigurationForm extends React.Component<Props, State> {
+
+  constructor(props: Props) {
+    super(props);
+    this.state = { ...props.initialConfiguration, validationErrors: [] };
+  }
+
+  isValid = () => {
+    return !!this.state.repositoryDirectory;
+  };
+
+  handleChange = (value: any, name: string) => {
+    this.setState({
+      [name]: value
+    }, () => this.props.onConfigurationChange(this.state, this.isValid()));
+  };
+
+  compatibilityOptions = (values: string[]) => {
+    const options = [];
+    for (let value of values) {
+      options.push( this.compatibilityOption(value) );
+    }
+    return options;
+  };
+
+  compatibilityOption = (value: string) => {
+    return {
+      value,
+      label: this.props.t("scm-svn-plugin.config.compatibility-values." + value.toLowerCase())
+    };
+  };
+
+  render() {
+    const { readOnly, t } = this.props;
+    const compatibilityOptions = this.compatibilityOptions([
+      "NONE", "PRE14", "PRE15", "PRE16", "PRE17", "WITH17"
+    ]);
+
+    return (
+      <>
+        <InputField
+          name="repositoryDirectory"
+          label={t("scm-svn-plugin.config.directory")}
+          helpText={t("scm-svn-plugin.config.directoryHelpText")}
+          value={this.state.repositoryDirectory}
+          errorMessage={t("scm-svn-plugin.config.required")}
+          validationError={!this.state.repositoryDirectory}
+          onChange={this.handleChange}
+          disabled={readOnly}
+        />
+        <Select
+          name="compatibility"
+          label={t("scm-svn-plugin.config.compatibility")}
+          helpText={t("scm-svn-plugin.config.compatibilityHelpText")}
+          value={this.state.compatibility}
+          options={compatibilityOptions}
+          onChange={this.handleChange}
+        />
+        <Checkbox
+          name="enabledGZip"
+          label={t("scm-svn-plugin.config.enabledGZip")}
+          helpText={t("scm-svn-plugin.config.enabledGZipHelpText")}
+          checked={this.state.enabledGZip}
+          onChange={this.handleChange}
+          disabled={readOnly}
+        />
+        <Checkbox
+          name="disabled"
+          label={t("scm-svn-plugin.config.disabled")}
+          helpText={t("scm-svn-plugin.config.disabledHelpText")}
+          checked={this.state.disabled}
+          onChange={this.handleChange}
+          disabled={readOnly}
+        />
+      </>
+    );
+  }
+
+}
+
+export default translate("plugins")(HgConfigurationForm);

scm-plugins/scm-svn-plugin/src/main/js/SvnGlobalConfiguration.js

@@ -0,0 +1,28 @@
+//@flow
+import React from "react";
+import { translate } from "react-i18next";
+import { Title, GlobalConfiguration } from "@scm-manager/ui-components";
+import SvnConfigurationForm from "./SvnConfigurationForm";
+
+type Props = {
+  link: string,
+
+  // context props
+  t: (string) => string
+}
+
+class SvnGlobalConfiguration extends React.Component<Props> {
+
+  render() {
+    const  { link, t } = this.props;
+    return (
+      <div>
+        <Title title={t("scm-svn-plugin.config.title")}/>
+        <GlobalConfiguration link={link} render={props => <SvnConfigurationForm {...props} />}/>
+      </div>
+    );
+  }
+
+}
+
+export default translate("plugins")(SvnGlobalConfiguration);

scm-plugins/scm-svn-plugin/src/main/js/index.js

@@ -1,7 +1,9 @@
 // @flow
 import { binder } from "@scm-manager/ui-extensions";
+import { ConfigurationBinder as cfgBinder } from "@scm-manager/ui-components";
 import ProtocolInformation from "./ProtocolInformation";
 import SvnAvatar from "./SvnAvatar";
+import SvnGlobalConfiguration from "./SvnGlobalConfiguration";
 
 const svnPredicate = (props: Object) => {
   return props.repository && props.repository.type === "svn";
@@ -9,3 +11,7 @@ const svnPredicate = (props: Object) => {
 
 binder.bind("repos.repository-details.information", ProtocolInformation, svnPredicate);
 binder.bind("repos.repository-avatar", SvnAvatar, svnPredicate);
+
+// bind global configuration
+
+cfgBinder.bindGlobal("/svn", "scm-svn-plugin.config.link", "svnConfig", SvnGlobalConfiguration);

scm-plugins/scm-svn-plugin/src/main/resources/locales/en/plugins.json

@@ -2,6 +2,27 @@
   "scm-svn-plugin": {
     "information": {
       "checkout" : "Checkout repository"
+    },
+    "config": {
+      "link": "Subversion",
+      "title": "Subversion Configuration",
+      "directory": "Repository Directory",
+      "directoryHelpText": "Location of Subversion repositories.",
+      "compatibility": "Version Compatibility",
+      "compatibilityHelpText": "Specifies with which subversion version repositories are compatible.",
+      "compatibility-values": {
+        "none": "No compatibility",
+        "pre14": "Pre 1.4 Compatible",
+        "pre15": "Pre 1.5 Compatible",
+        "pre16": "Pre 1.6 Compatible",
+        "pre17": "Pre 1.7 Compatible",
+        "with17": "With 1.7 Compatible"
+      },
+      "enabledGZip": "Enable GZip Compression",
+      "enabledGZipHelpText": "Enable GZip compression for svn responses.",
+      "disabled": "Disabled",
+      "disabledHelpText": "Enable or disable the Git plugin",
+      "required": "This configuration value is required"
     }
   }
 }

scm-plugins/scm-svn-plugin/yarn.lock

@@ -641,9 +641,9 @@
   version "0.0.2"
   resolved "https://registry.yarnpkg.com/@scm-manager/eslint-config/-/eslint-config-0.0.2.tgz#94cc8c3fb4f51f870b235893dc134fc6c423ae85"
 
-"@scm-manager/ui-bundler@^0.0.19":
+"@scm-manager/ui-bundler@^0.0.21":
-  version "0.0.19"
+  version "0.0.21"
-  resolved "https://registry.yarnpkg.com/@scm-manager/ui-bundler/-/ui-bundler-0.0.19.tgz#646ab1fa1e5389fad614542215c60678fb9816ae"
+  resolved "https://registry.yarnpkg.com/@scm-manager/ui-bundler/-/ui-bundler-0.0.21.tgz#f8b5fa355415cc67b8aaf8744e1701a299dff647"
   dependencies:
     "@babel/core" "^7.0.0"
     "@babel/plugin-proposal-class-properties" "^7.0.0"
@@ -681,9 +681,9 @@
     vinyl-source-stream "^2.0.0"
     watchify "^3.11.0"
 
-"@scm-manager/ui-extensions@^0.0.7":
+"@scm-manager/ui-extensions@^0.1.1":
-  version "0.0.7"
+  version "0.1.1"
-  resolved "https://registry.yarnpkg.com/@scm-manager/ui-extensions/-/ui-extensions-0.0.7.tgz#a0a657a1410b78838ba0b36096ef631dca7fe27e"
+  resolved "https://registry.yarnpkg.com/@scm-manager/ui-extensions/-/ui-extensions-0.1.1.tgz#966e62d89981e92a14adf7e674e646e76de96d45"
   dependencies:
     react "^16.4.2"
     react-dom "^16.4.2"

scm-ui-components/packages/ui-components/package.json

@@ -3,16 +3,18 @@
   "version": "0.0.1",
   "description": "UI Components for SCM-Manager and its plugins",
   "main": "src/index.js",
-  "files": ["src"],
+  "files": [
+    "src"
+  ],
   "repository": "https://bitbucket.org/sdorra/scm-manager",
   "author": "Sebastian Sdorra <sebastian.sdorra@cloudogu.com>",
-  "license" : "BSD-3-Clause",
+  "license": "BSD-3-Clause",
   "scripts": {
     "update-index": "create-index -r src",
     "eslint-fix": "eslint src --fix"
   },
   "devDependencies": {
-    "@scm-manager/ui-bundler": "^0.0.19",
+    "@scm-manager/ui-bundler": "^0.0.21",
     "create-index": "^2.3.0",
     "enzyme": "^3.5.0",
     "enzyme-adapter-react-16": "^1.3.1",
@@ -23,23 +25,32 @@
     "react-router-enzyme-context": "^1.2.0"
   },
   "dependencies": {
+    "@scm-manager/ui-extensions": "^0.1.1",
+    "@scm-manager/ui-types": "0.0.1",
     "classnames": "^2.2.6",
     "moment": "^2.22.2",
     "react": "^16.5.2",
     "react-dom": "^16.5.2",
     "react-i18next": "^7.11.0",
     "react-jss": "^8.6.1",
-    "react-router-dom": "^4.3.1",
+    "react-router-dom": "^4.3.1"
-    "@scm-manager/ui-types": "0.0.1"
   },
   "browserify": {
     "transform": [
-      ["browserify-css"],
+      [
+        "browserify-css"
+      ],
       [
         "babelify",
         {
-          "plugins": ["@babel/plugin-proposal-class-properties"],
+          "plugins": [
-          "presets": ["@babel/preset-env", "@babel/preset-flow", "@babel/preset-react"]
+            "@babel/plugin-proposal-class-properties"
+          ],
+          "presets": [
+            "@babel/preset-env",
+            "@babel/preset-flow",
+            "@babel/preset-react"
+          ]
         }
       ]
     ]

scm-ui-components/packages/ui-components/src/config/ConfigurationBinder.js

@@ -0,0 +1,43 @@
+// @flow
+import React from "react";
+import { binder } from "@scm-manager/ui-extensions";
+import { NavLink } from "../navigation";
+import { Route } from "react-router-dom";
+import { translate } from "react-i18next";
+
+class ConfigurationBinder {
+
+  i18nNamespace: string = "plugins";
+
+  bindGlobal(to: string, labelI18nKey: string, linkName: string, ConfigurationComponent: any) {
+
+    // create predicate based on the link name of the index resource
+    // if the linkname is not available, the navigation link and the route are not bound to the extension points
+    const configPredicate = (props: Object) => {
+      return props.links && props.links[linkName];
+    };
+
+    // create NavigationLink with translated label
+    const ConfigNavLink = translate(this.i18nNamespace)(({t}) => {
+      return <NavLink to={"/config" + to} label={t(labelI18nKey)} />;
+    });
+
+    // bind navigation link to extension point
+    binder.bind("config.navigation", ConfigNavLink, configPredicate);
+
+
+    // route for global configuration, passes the link from the index resource to component
+    const ConfigRoute = ({ url, links }) => {
+      const link = links[linkName].href;
+      return <Route path={url + to}
+                    render={() => <ConfigurationComponent link={link}/>}
+                    exact/>;
+    };
+
+    // bind config route to extension point
+    binder.bind("config.route", ConfigRoute, configPredicate);
+  }
+
+}
+
+export default new ConfigurationBinder();

scm-ui-components/packages/ui-components/src/config/GlobalConfiguration.js

@@ -0,0 +1,162 @@
+//@flow
+import React from "react";
+import { translate } from "react-i18next";
+import type { Links } from "@scm-manager/ui-types";
+import {
+  apiClient,
+  SubmitButton,
+  Loading,
+  ErrorNotification
+} from "../";
+
+type RenderProps = {
+  readOnly: boolean,
+  initialConfiguration: Configuration,
+  onConfigurationChange: (Configuration, boolean) => void
+};
+
+type Props = {
+  link: string,
+  render: (props: RenderProps) => any, // ???
+
+  // context props
+  t: (string) => string
+};
+
+type Configuration =  {
+  _links: Links
+} & Object;
+
+type State = {
+  error?: Error,
+  fetching: boolean,
+  modifying: boolean,
+  contentType?: string,
+
+  configuration?: Configuration,
+  modifiedConfiguration?: Configuration,
+  valid: boolean
+};
+
+/**
+ * GlobalConfiguration uses the render prop pattern to encapsulate the logic for
+ * synchronizing the configuration with the backend.
+ */
+class GlobalConfiguration extends React.Component<Props, State> {
+
+  constructor(props: Props) {
+    super(props);
+    this.state = {
+      fetching: true,
+      modifying: false,
+      valid: false
+    };
+  }
+
+  componentDidMount() {
+    const { link } = this.props;
+
+    apiClient.get(link)
+      .then(this.captureContentType)
+      .then(response => response.json())
+      .then(this.loadConfig)
+      .catch(this.handleError);
+  }
+
+  captureContentType = (response: Response) => {
+    const contentType = response.headers.get("Content-Type");
+    this.setState({
+      contentType
+    });
+    return response;
+  };
+
+  getContentType = (): string => {
+    const { contentType } = this.state;
+    return contentType ? contentType : "application/json";
+  };
+
+  handleError = (error: Error) => {
+    this.setState({
+      error,
+      fetching: false,
+      modifying: false
+    });
+  };
+
+  loadConfig = (configuration: Configuration) => {
+    this.setState({
+      configuration,
+      fetching: false,
+      error: undefined
+    });
+  };
+
+  getModificationUrl = (): ?string => {
+    const { configuration } = this.state;
+    if (configuration) {
+      const links = configuration._links;
+      if (links && links.update) {
+        return links.update.href;
+      }
+    }
+  };
+
+  isReadOnly = (): boolean => {
+    const modificationUrl = this.getModificationUrl();
+    return !modificationUrl;
+  };
+
+  configurationChanged = (configuration: Configuration, valid: boolean) => {
+    this.setState({
+      modifiedConfiguration: configuration,
+      valid
+    });
+  };
+
+  modifyConfiguration = (event: Event) => {
+    event.preventDefault();
+
+    this.setState({ modifying: true });
+
+    const {modifiedConfiguration} = this.state;
+
+    apiClient.put(this.getModificationUrl(), modifiedConfiguration, this.getContentType())
+      .then(() => this.setState({ modifying: false }))
+      .catch(this.handleError);
+  };
+
+  render() {
+    const { t } = this.props;
+    const { fetching, error, configuration, modifying, valid } = this.state;
+
+    if (error) {
+      return <ErrorNotification error={error}/>;
+    } else if (fetching || !configuration) {
+      return <Loading />;
+    } else {
+      const readOnly = this.isReadOnly();
+
+      const renderProps: RenderProps = {
+        readOnly,
+        initialConfiguration: configuration,
+        onConfigurationChange: this.configurationChanged
+      };
+
+      return (
+        <form onSubmit={this.modifyConfiguration}>
+          { this.props.render(renderProps) }
+          <hr/>
+          <SubmitButton
+            label={t("config-form.submit")}
+            disabled={!valid || readOnly}
+            loading={modifying}
+          />
+        </form>
+      );
+    }
+  }
+
+}
+
+export default translate("config")(GlobalConfiguration);

scm-ui-components/packages/ui-components/src/config/index.js

@@ -0,0 +1,3 @@
+// @flow
+export { default as ConfigurationBinder } from "./ConfigurationBinder";
+export { default as GlobalConfiguration } from "./GlobalConfiguration";

scm-ui-components/packages/ui-components/src/forms/Checkbox.js

@@ -4,15 +4,16 @@ import { Help } from "../index";
 
 type Props = {
   label?: string,
+  name?: string,
   checked: boolean,
-  onChange?: boolean => void,
+  onChange?: (value: boolean, name?: string) => void,
   disabled?: boolean,
   helpText?: string
 };
 class Checkbox extends React.Component<Props> {
   onCheckboxChange = (event: SyntheticInputEvent<HTMLInputElement>) => {
     if (this.props.onChange) {
-      this.props.onChange(event.target.checked);
+      this.props.onChange(event.target.checked, this.props.name);
     }
   };
 

scm-ui-components/packages/ui-components/src/forms/InputField.js

@@ -5,11 +5,12 @@ import { LabelWithHelpIcon } from "../index";
 
 type Props = {
   label?: string,
+  name?: string,
   placeholder?: string,
   value?: string,
   type?: string,
   autofocus?: boolean,
-  onChange: string => void,
+  onChange: (value: string, name?: string) => void,
   onReturnPressed?: () => void,
   validationError: boolean,
   errorMessage: string,
@@ -32,7 +33,7 @@ class InputField extends React.Component<Props> {
   }
 
   handleInput = (event: SyntheticInputEvent<HTMLInputElement>) => {
-    this.props.onChange(event.target.value);
+    this.props.onChange(event.target.value, this.props.name);
   };
 
   handleKeyPress = (event: SyntheticKeyboardEvent<HTMLInputElement>) => {

scm-ui-components/packages/ui-components/src/forms/Select.js

@@ -9,10 +9,11 @@ export type SelectItem = {
 };
 
 type Props = {
+  name?: string,
   label?: string,
   options: SelectItem[],
-  value?: SelectItem,
+  value?: string,
-  onChange: string => void,
+  onChange: (value: string, name?: string) => void,
   loading?: boolean,
   helpText?: string
 };
@@ -29,7 +30,7 @@ class Select extends React.Component<Props> {
   }
 
   handleInput = (event: SyntheticInputEvent<HTMLSelectElement>) => {
-    this.props.onChange(event.target.value);
+    this.props.onChange(event.target.value, this.props.name);
   };
 
   render() {
@@ -40,10 +41,10 @@ class Select extends React.Component<Props> {
     return (
       <div className="field">
         <LabelWithHelpIcon label={label} helpText={helpText} />
-    <div className={classNames(
+        <div className={classNames(
-      "control select",
+          "control select",
-      loadingClass
+          loadingClass
-    )}>
+        )}>
           <select
             ref={input => {
               this.field = input;

scm-ui-components/packages/ui-components/src/index.js

@@ -24,6 +24,7 @@ export { getPageFromMatch } from "./urls";
 export { apiClient, NOT_FOUND_ERROR, UNAUTHORIZED_ERROR } from "./apiclient.js";
 
 export * from "./buttons";
+export * from "./config";
 export * from "./forms";
 export * from "./layout";
 export * from "./modals";

scm-ui-components/packages/ui-components/yarn.lock

@@ -641,9 +641,9 @@
   version "0.0.2"
   resolved "https://registry.yarnpkg.com/@scm-manager/eslint-config/-/eslint-config-0.0.2.tgz#94cc8c3fb4f51f870b235893dc134fc6c423ae85"
 
-"@scm-manager/ui-bundler@^0.0.19":
+"@scm-manager/ui-bundler@^0.0.21":
-  version "0.0.19"
+  version "0.0.21"
-  resolved "https://registry.yarnpkg.com/@scm-manager/ui-bundler/-/ui-bundler-0.0.19.tgz#646ab1fa1e5389fad614542215c60678fb9816ae"
+  resolved "https://registry.yarnpkg.com/@scm-manager/ui-bundler/-/ui-bundler-0.0.21.tgz#f8b5fa355415cc67b8aaf8744e1701a299dff647"
   dependencies:
     "@babel/core" "^7.0.0"
     "@babel/plugin-proposal-class-properties" "^7.0.0"
@@ -681,6 +681,13 @@
     vinyl-source-stream "^2.0.0"
     watchify "^3.11.0"
 
+"@scm-manager/ui-extensions@^0.1.1":
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/@scm-manager/ui-extensions/-/ui-extensions-0.1.1.tgz#966e62d89981e92a14adf7e674e646e76de96d45"
+  dependencies:
+    react "^16.4.2"
+    react-dom "^16.4.2"
+
 "@types/node@*":
   version "10.12.0"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-10.12.0.tgz#ea6dcbddbc5b584c83f06c60e82736d8fbb0c235"
@@ -6229,6 +6236,15 @@ rc@^1.2.7:
     minimist "^1.2.0"
     strip-json-comments "~2.0.1"
 
+react-dom@^16.4.2:
+  version "16.6.0"
+  resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-16.6.0.tgz#6375b8391e019a632a89a0988bce85f0cc87a92f"
+  dependencies:
+    loose-envify "^1.1.0"
+    object-assign "^4.1.1"
+    prop-types "^15.6.2"
+    scheduler "^0.10.0"
+
 react-dom@^16.5.2:
   version "16.5.2"
   resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-16.5.2.tgz#b69ee47aa20bab5327b2b9d7c1fe2a30f2cfa9d7"
@@ -6299,6 +6315,15 @@ react-test-renderer@^16.0.0-0:
     react-is "^16.5.2"
     schedule "^0.5.0"
 
+react@^16.4.2:
+  version "16.6.0"
+  resolved "https://registry.yarnpkg.com/react/-/react-16.6.0.tgz#b34761cfaf3e30f5508bc732fb4736730b7da246"
+  dependencies:
+    loose-envify "^1.1.0"
+    object-assign "^4.1.1"
+    prop-types "^15.6.2"
+    scheduler "^0.10.0"
+
 react@^16.5.2:
   version "16.5.2"
   resolved "https://registry.yarnpkg.com/react/-/react-16.5.2.tgz#19f6b444ed139baa45609eee6dc3d318b3895d42"
@@ -6726,6 +6751,13 @@ schedule@^0.5.0:
   dependencies:
     object-assign "^4.1.1"
 
+scheduler@^0.10.0:
+  version "0.10.0"
+  resolved "https://registry.yarnpkg.com/scheduler/-/scheduler-0.10.0.tgz#7988de90fe7edccc774ea175a783e69c40c521e1"
+  dependencies:
+    loose-envify "^1.1.0"
+    object-assign "^4.1.1"
+
 "semver@2 || 3 || 4 || 5", semver@^5.0.1, semver@^5.3.0, semver@^5.4.1, semver@^5.5.0, semver@^5.5.1:
   version "5.6.0"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.6.0.tgz#7e74256fbaa49c75aa7c7a205cc22799cac80004"

scm-ui-components/packages/ui-types/package.json

@@ -14,7 +14,7 @@
     "check": "flow check"
   },
   "devDependencies": {
-    "@scm-manager/ui-bundler": "^0.0.19"
+    "@scm-manager/ui-bundler": "^0.0.21"
   },
   "browserify": {
     "transform": [

scm-ui-components/packages/ui-types/yarn.lock

@@ -707,9 +707,9 @@
   version "0.0.2"
   resolved "https://registry.yarnpkg.com/@scm-manager/eslint-config/-/eslint-config-0.0.2.tgz#94cc8c3fb4f51f870b235893dc134fc6c423ae85"
 
-"@scm-manager/ui-bundler@^0.0.19":
+"@scm-manager/ui-bundler@^0.0.21":
-  version "0.0.19"
+  version "0.0.21"
-  resolved "https://registry.yarnpkg.com/@scm-manager/ui-bundler/-/ui-bundler-0.0.19.tgz#646ab1fa1e5389fad614542215c60678fb9816ae"
+  resolved "https://registry.yarnpkg.com/@scm-manager/ui-bundler/-/ui-bundler-0.0.21.tgz#f8b5fa355415cc67b8aaf8744e1701a299dff647"
   dependencies:
     "@babel/core" "^7.0.0"
     "@babel/plugin-proposal-class-properties" "^7.0.0"

scm-ui/package.json

@@ -6,7 +6,7 @@
   "main": "src/index.js",
   "dependencies": {
     "@fortawesome/fontawesome-free": "^5.3.1",
-    "@scm-manager/ui-extensions": "^0.0.7",
+    "@scm-manager/ui-extensions": "^0.1.1",
     "bulma": "^0.7.1",
     "bulma-tooltip": "^2.0.2",
     "classnames": "^2.2.5",
@@ -48,7 +48,7 @@
     "pre-commit": "jest && flow && eslint src"
   },
   "devDependencies": {
-    "@scm-manager/ui-bundler": "^0.0.19",
+    "@scm-manager/ui-bundler": "^0.0.21",
     "copyfiles": "^2.0.0",
     "enzyme": "^3.3.0",
     "enzyme-adapter-react-16": "^1.1.1",

scm-ui/src/config/containers/Config.js

@@ -2,12 +2,19 @@
 import React from "react";
 import { translate } from "react-i18next";
 import { Route } from "react-router";
+import { ExtensionPoint } from "@scm-manager/ui-extensions";
 
+import type { Links } from "@scm-manager/ui-types";
 import { Page, Navigation, NavLink, Section } from "@scm-manager/ui-components";
 import GlobalConfig from "./GlobalConfig";
 import type { History } from "history";
+import {connect} from "react-redux";
+import {compose} from "redux";
+import { getLinks } from "../../modules/indexResource";
 
 type Props = {
+  links: Links,
+
   // context objects
   t: string => string,
   match: any,
@@ -27,15 +34,23 @@ class Config extends React.Component<Props> {
   };
 
   render() {
-    const { t } = this.props;
+    const { links, t } = this.props;
 
     const url = this.matchedUrl();
+    const extensionProps = {
+      links,
+      url
+    };
 
     return (
       <Page>
         <div className="columns">
           <div className="column is-three-quarters">
             <Route path={url} exact component={GlobalConfig} />
+            <ExtensionPoint name="config.route"
+                            props={extensionProps}
+                            renderAll={true}
+            />
           </div>
           <div className="column">
             <Navigation>
@@ -44,6 +59,10 @@ class Config extends React.Component<Props> {
                   to={`${url}`}
                   label={t("global-config.navigation-label")}
                 />
+                <ExtensionPoint name="config.navigation"
+                                props={extensionProps}
+                                renderAll={true}
+                />
               </Section>
             </Navigation>
           </div>
@@ -53,4 +72,15 @@ class Config extends React.Component<Props> {
   }
 }
 
-export default translate("config")(Config);
+const mapStateToProps = (state: any) => {
+  const links = getLinks(state);
+  return {
+    links
+  };
+};
+
+export default compose(
+  connect(mapStateToProps),
+  translate("config")
+)(Config);
+

scm-ui/src/containers/Main.js

@@ -104,7 +104,6 @@ class Main extends React.Component<Props> {
             authenticated={authenticated}
           />
           <ProtectedRoute
-            exact
             path="/config"
             component={Config}
             authenticated={authenticated}

scm-ui/src/groups/containers/EditGroup.js

@@ -2,22 +2,33 @@
 import React from "react";
 import { connect } from "react-redux";
 import GroupForm from "../components/GroupForm";
-import { modifyGroup } from "../modules/groups";
+import {
+  modifyGroup,
+  modifyGroupReset,
+  isModifyGroupPending,
+  getModifyGroupFailure
+} from "../modules/groups";
 import type { History } from "history";
 import { withRouter } from "react-router-dom";
 import type { Group } from "@scm-manager/ui-types";
-import { isModifyGroupPending, getModifyGroupFailure } from "../modules/groups";
 import { ErrorNotification } from "@scm-manager/ui-components";
 
 type Props = {
   group: Group,
   modifyGroup: (group: Group, callback?: () => void) => void,
+  modifyGroupReset: Group => void,
+  fetchGroup: (name: string) => void,
   history: History,
   loading?: boolean,
   error: Error
 };
 
 class EditGroup extends React.Component<Props> {
+  componentDidMount() {
+    const { group, modifyGroupReset } = this.props;
+    modifyGroupReset(group);
+  }
+
   groupModified = (group: Group) => () => {
     this.props.history.push(`/group/${group.name}`);
   };
@@ -56,6 +67,9 @@ const mapDispatchToProps = dispatch => {
   return {
     modifyGroup: (group: Group, callback?: () => void) => {
       dispatch(modifyGroup(group, callback));
+    },
+    modifyGroupReset: (group: Group) => {
+      dispatch(modifyGroupReset(group));
     }
   };
 };

scm-ui/src/groups/modules/groups.js

@@ -26,6 +26,7 @@ export const MODIFY_GROUP = "scm/groups/MODIFY_GROUP";
 export const MODIFY_GROUP_PENDING = `${MODIFY_GROUP}_${types.PENDING_SUFFIX}`;
 export const MODIFY_GROUP_SUCCESS = `${MODIFY_GROUP}_${types.SUCCESS_SUFFIX}`;
 export const MODIFY_GROUP_FAILURE = `${MODIFY_GROUP}_${types.FAILURE_SUFFIX}`;
+export const MODIFY_GROUP_RESET = `${MODIFY_GROUP}_${types.RESET_SUFFIX}`;
 
 export const DELETE_GROUP = "scm/groups/DELETE";
 export const DELETE_GROUP_PENDING = `${DELETE_GROUP}_${types.PENDING_SUFFIX}`;
@@ -238,6 +239,13 @@ export function modifyGroupFailure(group: Group, error: Error): Action {
   };
 }
 
+export function modifyGroupReset(group: Group): Action {
+  return {
+    type: MODIFY_GROUP_RESET,
+    itemId: group.name
+  };
+}
+
 //delete group
 
 export function deleteGroup(group: Group, callback?: () => void) {

scm-ui/src/repos/containers/Edit.js

@@ -7,7 +7,8 @@ import type { Repository } from "@scm-manager/ui-types";
 import {
   modifyRepo,
   isModifyRepoPending,
-  getModifyRepoFailure
+  getModifyRepoFailure,
+  modifyRepoReset
 } from "../modules/repos";
 import { withRouter } from "react-router-dom";
 import type { History } from "history";
@@ -16,6 +17,7 @@ import { ErrorNotification } from "@scm-manager/ui-components";
 type Props = {
   repository: Repository,
   modifyRepo: (Repository, () => void) => void,
+  modifyRepoReset: Repository => void,
   loading: boolean,
   error: Error,
 
@@ -25,6 +27,10 @@ type Props = {
 };
 
 class Edit extends React.Component<Props> {
+  componentDidMount() {
+    const { modifyRepoReset, repository } = this.props;
+    modifyRepoReset(repository);
+  }
   repoModified = () => {
     const { history, repository } = this.props;
     history.push(`/repo/${repository.namespace}/${repository.name}`);
@@ -61,6 +67,9 @@ const mapDispatchToProps = dispatch => {
   return {
     modifyRepo: (repo: Repository, callback: () => void) => {
       dispatch(modifyRepo(repo, callback));
+    },
+    modifyRepoReset: (repo: Repository) => {
+      dispatch(modifyRepoReset(repo));
     }
   };
 };

scm-ui/src/repos/modules/repos.js

@@ -29,6 +29,7 @@ export const MODIFY_REPO = "scm/repos/MODIFY_REPO";
 export const MODIFY_REPO_PENDING = `${MODIFY_REPO}_${types.PENDING_SUFFIX}`;
 export const MODIFY_REPO_SUCCESS = `${MODIFY_REPO}_${types.SUCCESS_SUFFIX}`;
 export const MODIFY_REPO_FAILURE = `${MODIFY_REPO}_${types.FAILURE_SUFFIX}`;
+export const MODIFY_REPO_RESET = `${MODIFY_REPO}_${types.RESET_SUFFIX}`;
 
 export const DELETE_REPO = "scm/repos/DELETE_REPO";
 export const DELETE_REPO_PENDING = `${DELETE_REPO}_${types.PENDING_SUFFIX}`;
@@ -257,6 +258,14 @@ export function modifyRepoFailure(
   };
 }
 
+export function modifyRepoReset(repository: Repository): Action {
+  return {
+    type: MODIFY_REPO_RESET,
+    payload: { repository },
+    itemId: createIdentifier(repository)
+  };
+}
+
 // delete
 
 export function deleteRepo(repository: Repository, callback?: () => void) {

scm-ui/src/users/containers/EditUser.js

@@ -7,7 +7,8 @@ import type { User } from "@scm-manager/ui-types";
 import {
   modifyUser,
   isModifyUserPending,
-  getModifyUserFailure
+  getModifyUserFailure,
+  modifyUserReset
 } from "../modules/users";
 import type { History } from "history";
 import { ErrorNotification } from "@scm-manager/ui-components";
@@ -18,6 +19,7 @@ type Props = {
 
   // dispatch functions
   modifyUser: (user: User, callback?: () => void) => void,
+  modifyUserReset: User => void,
 
   // context objects
   user: User,
@@ -25,6 +27,10 @@ type Props = {
 };
 
 class EditUser extends React.Component<Props> {
+  componentDidMount() {
+    const { modifyUserReset, user } = this.props;
+    modifyUserReset(user);
+  }
   userModified = (user: User) => () => {
     this.props.history.push(`/user/${user.name}`);
   };
@@ -52,6 +58,9 @@ const mapDispatchToProps = dispatch => {
   return {
     modifyUser: (user: User, callback?: () => void) => {
       dispatch(modifyUser(user, callback));
+    },
+    modifyUserReset: (user: User) => {
+      dispatch(modifyUserReset(user));
     }
   };
 };

scm-ui/src/users/modules/users.js

@@ -26,6 +26,7 @@ export const MODIFY_USER = "scm/users/MODIFY_USER";
 export const MODIFY_USER_PENDING = `${MODIFY_USER}_${types.PENDING_SUFFIX}`;
 export const MODIFY_USER_SUCCESS = `${MODIFY_USER}_${types.SUCCESS_SUFFIX}`;
 export const MODIFY_USER_FAILURE = `${MODIFY_USER}_${types.FAILURE_SUFFIX}`;
+export const MODIFY_USER_RESET = `${MODIFY_USER}_${types.RESET_SUFFIX}`;
 
 export const DELETE_USER = "scm/users/DELETE";
 export const DELETE_USER_PENDING = `${DELETE_USER}_${types.PENDING_SUFFIX}`;
@@ -239,6 +240,13 @@ export function modifyUserFailure(user: User, error: Error): Action {
   };
 }
 
+export function modifyUserReset(user: User): Action {
+  return {
+    type: MODIFY_USER_RESET,
+    itemId: user.name
+  };
+}
+
 //delete user
 
 export function deleteUser(user: User, callback?: () => void) {

scm-webapp/src/main/java/sonia/scm/api/v2/resources/BranchRootResource.java

@@ -5,6 +5,7 @@ import com.webcohesion.enunciate.metadata.rs.StatusCodes;
 import com.webcohesion.enunciate.metadata.rs.TypeHint;
 import sonia.scm.NotFoundException;
 import sonia.scm.PageResult;
+import sonia.scm.repository.Branch;
 import sonia.scm.repository.Branches;
 import sonia.scm.repository.Changeset;
 import sonia.scm.repository.ChangesetPagingResult;
@@ -26,6 +27,7 @@ import javax.ws.rs.Produces;
 import javax.ws.rs.QueryParam;
 import javax.ws.rs.core.Response;
 import java.io.IOException;
+import java.util.List;
 
 public class BranchRootResource {
 
@@ -124,6 +126,49 @@ public class BranchRootResource {
     }
   }
 
+  @Path("{branch}/diffchangesets/{otherBranchName}")
+  @GET
+  @StatusCodes({
+    @ResponseCode(code = 200, condition = "success"),
+    @ResponseCode(code = 401, condition = "not authenticated / invalid credentials"),
+    @ResponseCode(code = 403, condition = "not authorized, the current user has no privileges to read the changeset"),
+    @ResponseCode(code = 404, condition = "not found, no changesets available in the repository"),
+    @ResponseCode(code = 500, condition = "internal server error")
+  })
+  @Produces(VndMediaType.CHANGESET_COLLECTION)
+  @TypeHint(CollectionDto.class)
+  public Response changesetDiff(@PathParam("namespace") String namespace,
+                          @PathParam("name") String name,
+                          @PathParam("branch") String branchName,
+                          @PathParam("otherBranchName") String otherBranchName,
+                          @DefaultValue("0") @QueryParam("page") int page,
+                          @DefaultValue("10") @QueryParam("pageSize") int pageSize) throws Exception {
+    try (RepositoryService repositoryService = serviceFactory.create(new NamespaceAndName(namespace, name))) {
+      List<Branch> allBranches = repositoryService.getBranchesCommand().getBranches().getBranches();
+      if (allBranches.stream().noneMatch(branch -> branchName.equals(branch.getName()))) {
+        throw new NotFoundException("branch", branchName);
+      }
+      if (allBranches.stream().noneMatch(branch -> otherBranchName.equals(branch.getName()))) {
+        throw new NotFoundException("branch", otherBranchName);
+      }
+      Repository repository = repositoryService.getRepository();
+      RepositoryPermissions.read(repository).check();
+      ChangesetPagingResult changesets = new PagedLogCommandBuilder(repositoryService)
+        .page(page)
+        .pageSize(pageSize)
+        .create()
+        .setBranch(branchName)
+        .setAncestorChangeset(otherBranchName)
+        .getChangesets();
+      if (changesets != null && changesets.getChangesets() != null) {
+        PageResult<Changeset> pageResult = new PageResult<>(changesets.getChangesets(), changesets.getTotal());
+        return Response.ok(branchChangesetCollectionToDtoMapper.map(page, pageSize, pageResult, repository, branchName)).build();
+      } else {
+        return Response.ok().build();
+      }
+    }
+  }
+
   /**
    * Returns the branches for a repository.
    *

scm-webapp/src/main/java/sonia/scm/api/v2/resources/BranchToBranchDtoMapper.java

@@ -28,6 +28,7 @@ public abstract class BranchToBranchDtoMapper {
     Links.Builder linksBuilder = linkingTo()
       .self(resourceLinks.branch().self(namespaceAndName, target.getName()))
       .single(linkBuilder("history", resourceLinks.branch().history(namespaceAndName, target.getName())).build())
+      .single(linkBuilder("changesetDiff", resourceLinks.branch().changesetDiff(namespaceAndName, target.getName())).build())
       .single(linkBuilder("changeset", resourceLinks.changeset().changeset(namespaceAndName.getNamespace(), namespaceAndName.getName(), target.getRevision())).build())
       .single(linkBuilder("source", resourceLinks.source().self(namespaceAndName.getNamespace(), namespaceAndName.getName(), target.getRevision())).build());
     target.add(linksBuilder.build());

scm-webapp/src/main/java/sonia/scm/api/v2/resources/ResourceLinks.java

@@ -322,6 +322,10 @@ class ResourceLinks {
     public String history(NamespaceAndName namespaceAndName, String branch) {
       return branchLinkBuilder.method("getRepositoryResource").parameters(namespaceAndName.getNamespace(), namespaceAndName.getName()).method("branches").parameters().method("history").parameters(branch).href();
     }
+
+    public String changesetDiff(NamespaceAndName namespaceAndName, String branch) {
+      return branchLinkBuilder.method("getRepositoryResource").parameters(namespaceAndName.getNamespace(), namespaceAndName.getName()).method("branches").parameters().method("changesetDiff").parameters(branch, "").href() + "{otherBranch}";
+    }
   }
 
   public BranchCollectionLinks branchCollection() {