merge with develop

CHANGELOG.md

@@ -5,12 +5,17 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## Unreleased
+### Added
+- Fire various plugin events ([#1088](https://github.com/scm-manager/scm-manager/pull/1088))
+- Display version for plugins ([#1089](https://github.com/scm-manager/scm-manager/pull/1089)
+
 ### Changed
 - Simplified collapse state management of the secondary navigation ([#1086](https://github.com/scm-manager/scm-manager/pull/1086)
 - Ensure same monospace font-family throughout whole SCM-Manager ([#1091](https://github.com/scm-manager/scm-manager/pull/1091)
 
 ### Fixed
 - Authentication for write requests for repositories with anonymous read access ([#108](https://github.com/scm-manager/scm-manager/pull/1081))
+- Submodules in git do no longer lead to a server error in the browser command ([#1093](https://github.com/scm-manager/scm-manager/pull/1093))
 
 ## 2.0.0-rc6 - 2020-03-26
 ### Added

scm-core/src/main/java/sonia/scm/plugin/PluginCenterErrorEvent.java

@@ -0,0 +1,30 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020-present Cloudogu GmbH and Contributors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package sonia.scm.plugin;
+
+import sonia.scm.event.Event;
+
+@Event
+public class PluginCenterErrorEvent {}

scm-core/src/main/java/sonia/scm/plugin/PluginEvent.java

@@ -0,0 +1,43 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020-present Cloudogu GmbH and Contributors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package sonia.scm.plugin;
+
+import lombok.Getter;
+import sonia.scm.event.Event;
+
+@Getter
+@Event
+public class PluginEvent {
+  private final PluginEventType eventType;
+  private final AvailablePlugin plugin;
+  public PluginEvent(PluginEventType eventType, AvailablePlugin plugin) {
+    this.eventType = eventType;
+    this.plugin = plugin;
+  }
+
+  public enum PluginEventType {
+    INSTALLED, INSTALLATION_FAILED
+  }
+}

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

@@ -104,6 +104,12 @@ public class GitBrowseCommand extends AbstractGitCommand
 
   private BrowserResult browserResult;
 
+  private BrowseCommandRequest request;
+
+  private org.eclipse.jgit.lib.Repository repo;
+
+  private ObjectId revId;
+
   private int resultCount = 0;
 
   public GitBrowseCommand(GitContext context, Repository repository, LfsBlobStoreFactory lfsBlobStoreFactory, SyncAsyncExecutor executor) {
@@ -117,11 +123,12 @@ public class GitBrowseCommand extends AbstractGitCommand
     throws IOException {
     logger.debug("try to create browse result for {}", request);
 
-    org.eclipse.jgit.lib.Repository repo = open();
+    this.request = request;
-    ObjectId revId = computeRevIdToBrowse(request, repo);
+    repo = open();
+    revId = computeRevIdToBrowse();
 
     if (revId != null) {
-      browserResult = new BrowserResult(revId.getName(), request.getRevision(), getEntry(repo, request, revId));
+      browserResult = new BrowserResult(revId.getName(), request.getRevision(), getEntry());
       return browserResult;
     } else {
       logger.warn("could not find head of repository {}, empty?", repository.getNamespaceAndName());
@@ -129,7 +136,7 @@ public class GitBrowseCommand extends AbstractGitCommand
     }
   }
 
-  private ObjectId computeRevIdToBrowse(BrowseCommandRequest request, org.eclipse.jgit.lib.Repository repo) throws IOException {
+  private ObjectId computeRevIdToBrowse() throws IOException {
     if (Util.isEmpty(request.getRevision())) {
       return getDefaultBranch(repo);
     } else {
@@ -151,9 +158,7 @@ public class GitBrowseCommand extends AbstractGitCommand
     return fileObject;
   }
 
-  private FileObject createFileObject(org.eclipse.jgit.lib.Repository repo,
+  private FileObject createFileObject(TreeEntry treeEntry) throws IOException {
-                                      BrowseCommandRequest request, ObjectId revId, TreeEntry treeEntry)
-    throws IOException {
 
     FileObject file = new FileObject();
 
@@ -162,18 +167,11 @@ public class GitBrowseCommand extends AbstractGitCommand
     file.setName(treeEntry.getNameString());
     file.setPath(path);
 
-    SubRepository sub = null;
+    if (treeEntry.getType() == TreeType.SUB_REPOSITORY)
-
-    if (!request.isDisableSubRepositoryDetection())
-    {
-      sub = getSubRepository(repo, revId, path);
-    }
-
-    if (sub != null)
     {
       logger.trace("{} seems to be a sub repository", path);
       file.setDirectory(true);
-      file.setSubRepository(sub);
+      file.setSubRepository(treeEntry.subRepository);
     }
     else
     {
@@ -189,7 +187,7 @@ public class GitBrowseCommand extends AbstractGitCommand
         try (RevWalk walk = new RevWalk(repo)) {
           commit = walk.parseCommit(revId);
         }
-        Optional<LfsPointer> lfsPointer = getLfsPointer(repo, path, commit, treeEntry);
+        Optional<LfsPointer> lfsPointer = getLfsPointer(path, commit, treeEntry);
 
         if (lfsPointer.isPresent()) {
           setFileLengthFromLfsBlob(lfsPointer.get(), file);
@@ -198,24 +196,24 @@ public class GitBrowseCommand extends AbstractGitCommand
         }
 
         executor.execute(
-          new CompleteFileInformation(path, revId, repo, file, request),
+          new CompleteFileInformation(path, file),
-          new AbortFileInformation(request)
+          new AbortFileInformation()
         );
       }
     }
     return file;
   }
 
-  private void updateCache(BrowseCommandRequest request) {
+  private void updateCache() {
     request.updateCache(browserResult);
     logger.info("updated browser result for repository {}", repository.getNamespaceAndName());
   }
 
-  private FileObject getEntry(org.eclipse.jgit.lib.Repository repo, BrowseCommandRequest request, ObjectId revId) throws IOException {
+  private FileObject getEntry() throws IOException {
     try (RevWalk revWalk = new RevWalk(repo); TreeWalk treeWalk = new TreeWalk(repo)) {
       logger.debug("load repository browser for revision {}", revId.name());
 
-      if (!isRootRequest(request)) {
+      if (!isRootRequest()) {
         treeWalk.setFilter(PathFilter.create(request.getPath()));
       }
 
@@ -227,46 +225,46 @@ public class GitBrowseCommand extends AbstractGitCommand
         throw new IllegalStateException("could not find tree for " + revId.name());
       }
 
-      if (isRootRequest(request)) {
+      if (isRootRequest()) {
         FileObject result = createEmptyRoot();
-        findChildren(result, repo, request, revId, treeWalk);
+        findChildren(result, treeWalk);
         return result;
       } else {
-        FileObject result = findFirstMatch(repo, request, revId, treeWalk);
+        FileObject result = findFirstMatch(treeWalk);
         if ( result.isDirectory() ) {
           treeWalk.enterSubtree();
-          findChildren(result, repo, request, revId, treeWalk);
+          findChildren(result, treeWalk);
         }
         return result;
       }
     }
   }
 
-  private boolean isRootRequest(BrowseCommandRequest request) {
+  private boolean isRootRequest() {
     return Strings.isNullOrEmpty(request.getPath()) || "/".equals(request.getPath());
   }
 
-  private void findChildren(FileObject parent, org.eclipse.jgit.lib.Repository repo, BrowseCommandRequest request, ObjectId revId, TreeWalk treeWalk) throws IOException {
+  private void findChildren(FileObject parent, TreeWalk treeWalk) throws IOException {
     TreeEntry entry = new TreeEntry();
-    createTree(parent.getPath(), entry, repo, request, treeWalk);
+    createTree(parent.getPath(), entry, treeWalk);
-    convertToFileObject(parent, repo, request, revId, entry.getChildren());
+    convertToFileObject(parent, entry.getChildren());
   }
 
-  private void convertToFileObject(FileObject parent, org.eclipse.jgit.lib.Repository repo, BrowseCommandRequest request, ObjectId revId, List<TreeEntry> entries) throws IOException {
+  private void convertToFileObject(FileObject parent, List<TreeEntry> entries) throws IOException {
     List<FileObject> files = Lists.newArrayList();
     Iterator<TreeEntry> entryIterator = entries.iterator();
     boolean hasNext;
     while ((hasNext = entryIterator.hasNext()) && resultCount < request.getLimit() + request.getOffset())
     {
       TreeEntry entry = entryIterator.next();
-      FileObject fileObject = createFileObject(repo, request, revId, entry);
+      FileObject fileObject = createFileObject(entry);
 
       if (!fileObject.isDirectory()) {
         ++resultCount;
       }
 
       if (request.isRecursive() && fileObject.isDirectory()) {
-        convertToFileObject(fileObject, repo, request, revId, entry.getChildren());
+        convertToFileObject(fileObject, entry.getChildren());
       }
 
       if (resultCount > request.getOffset() || (request.getOffset() == 0 && fileObject.isDirectory())) {
@@ -279,7 +277,7 @@ public class GitBrowseCommand extends AbstractGitCommand
     parent.setTruncated(hasNext);
   }
 
-  private Optional<TreeEntry> createTree(String path, TreeEntry parent, org.eclipse.jgit.lib.Repository repo, BrowseCommandRequest request, TreeWalk treeWalk) throws IOException {
+  private Optional<TreeEntry> createTree(String path, TreeEntry parent, TreeWalk treeWalk) throws IOException {
     List<TreeEntry> entries = new ArrayList<>();
     while (treeWalk.next()) {
       TreeEntry treeEntry = new TreeEntry(repo, treeWalk);
@@ -290,9 +288,9 @@ public class GitBrowseCommand extends AbstractGitCommand
 
       entries.add(treeEntry);
 
-      if (request.isRecursive() && treeEntry.isDirectory()) {
+      if (request.isRecursive() && treeEntry.getType() == TreeType.DIRECTORY) {
         treeWalk.enterSubtree();
-        Optional<TreeEntry> surplus = createTree(treeEntry.getNameString(), treeEntry, repo, request, treeWalk);
+        Optional<TreeEntry> surplus = createTree(treeEntry.getNameString(), treeEntry, treeWalk);
         surplus.ifPresent(entries::add);
       }
     }
@@ -300,8 +298,7 @@ public class GitBrowseCommand extends AbstractGitCommand
     return empty();
   }
 
-  private FileObject findFirstMatch(org.eclipse.jgit.lib.Repository repo,
+  private FileObject findFirstMatch(TreeWalk treeWalk) throws IOException {
-                                    BrowseCommandRequest request, ObjectId revId, TreeWalk treeWalk) throws IOException {
     String[] pathElements = request.getPath().split("/");
     int currentDepth = 0;
     int limit = pathElements.length;
@@ -313,7 +310,7 @@ public class GitBrowseCommand extends AbstractGitCommand
         currentDepth++;
 
         if (currentDepth >= limit) {
-          return createFileObject(repo, request, revId, new TreeEntry(repo, treeWalk));
+          return createFileObject(new TreeEntry(repo, treeWalk));
         } else {
           treeWalk.enterSubtree();
         }
@@ -323,13 +320,13 @@ public class GitBrowseCommand extends AbstractGitCommand
     throw notFound(entity("File", request.getPath()).in("Revision", revId.getName()).in(this.repository));
   }
 
-  private Map<String, SubRepository> getSubRepositories(org.eclipse.jgit.lib.Repository repo, ObjectId revision)
+  private Map<String, SubRepository> getSubRepositories()
     throws IOException {
 
-    logger.debug("read submodules of {} at {}", repository.getName(), revision);
+    logger.debug("read submodules of {} at {}", repository.getName(), revId);
 
     try ( ByteArrayOutputStream baos = new ByteArrayOutputStream() ) {
-      new GitCatCommand(context, repository, lfsBlobStoreFactory).getContent(repo, revision,
+      new GitCatCommand(context, repository, lfsBlobStoreFactory).getContent(repo, revId,
         PATH_MODULES, baos);
       return GitSubModuleParser.parse(baos.toString());
     } catch (NotFoundException ex) {
@@ -338,12 +335,12 @@ public class GitBrowseCommand extends AbstractGitCommand
     }
   }
 
-  private SubRepository getSubRepository(org.eclipse.jgit.lib.Repository repo, ObjectId revId, String path)
+  private SubRepository getSubRepository(String path)
     throws IOException {
     Map<String, SubRepository> subRepositories = subrepositoryCache.get(revId);
 
     if (subRepositories == null) {
-      subRepositories = getSubRepositories(repo, revId);
+      subRepositories = getSubRepositories();
       subrepositoryCache.put(revId, subRepositories);
     }
 
@@ -353,7 +350,7 @@ public class GitBrowseCommand extends AbstractGitCommand
     return null;
   }
 
-  private Optional<LfsPointer> getLfsPointer(org.eclipse.jgit.lib.Repository repo, String path, RevCommit commit, TreeEntry treeWalk) {
+  private Optional<LfsPointer> getLfsPointer(String path, RevCommit commit, TreeEntry treeWalk) {
     try {
       Attributes attributes = LfsFactory.getAttributesForPath(repo, path, commit);
 
@@ -377,17 +374,11 @@ public class GitBrowseCommand extends AbstractGitCommand
 
   private class CompleteFileInformation implements Consumer<SyncAsyncExecutor.ExecutionType> {
     private final String path;
-    private final ObjectId revId;
-    private final org.eclipse.jgit.lib.Repository repo;
     private final FileObject file;
-    private final BrowseCommandRequest request;
 
-    public CompleteFileInformation(String path, ObjectId revId, org.eclipse.jgit.lib.Repository repo, FileObject file, BrowseCommandRequest request) {
+    public CompleteFileInformation(String path, FileObject file) {
       this.path = path;
-      this.revId = revId;
-      this.repo = repo;
       this.file = file;
-      this.request = request;
     }
 
     @Override
@@ -429,23 +420,18 @@ public class GitBrowseCommand extends AbstractGitCommand
       file.setCommitDate(GitUtil.getCommitTime(commit));
       file.setDescription(commit.getShortMessage());
       if (executionType == ASYNCHRONOUS && browserResult != null) {
-        updateCache(request);
+        updateCache();
       }
     }
   }
 
   private class AbortFileInformation implements Runnable {
-    private final BrowseCommandRequest request;
-
-    public AbortFileInformation(BrowseCommandRequest request) {
-      this.request = request;
-    }
 
     @Override
     public void run() {
       synchronized (asyncMonitor) {
         if (markPartialAsAborted(browserResult.getFile())) {
-          updateCache(request);
+          updateCache();
         }
       }
     }
@@ -464,28 +450,42 @@ public class GitBrowseCommand extends AbstractGitCommand
     }
   }
 
+  private enum TreeType {
+    FILE, DIRECTORY, SUB_REPOSITORY
+  }
+
   private class TreeEntry {
 
     private final String pathString;
     private final String nameString;
     private final ObjectId objectId;
-    private final boolean directory;
+    private final TreeType type;
+    private final SubRepository subRepository;
     private List<TreeEntry> children = emptyList();
 
     TreeEntry() {
       pathString = "";
       nameString = "";
       objectId = null;
-      directory = true;
+      subRepository = null;
+      type = TreeType.DIRECTORY;
     }
 
     TreeEntry(org.eclipse.jgit.lib.Repository repo, TreeWalk treeWalk) throws IOException {
       this.pathString = treeWalk.getPathString();
       this.nameString = treeWalk.getNameString();
       this.objectId = treeWalk.getObjectId(0);
-      ObjectLoader loader = repo.open(objectId);
 
-      this.directory = loader.getType() == Constants.OBJ_TREE;
+      if (!request.isDisableSubRepositoryDetection() && GitBrowseCommand.this.getSubRepository(pathString) != null) {
+        subRepository = GitBrowseCommand.this.getSubRepository(pathString);
+        type = TreeType.SUB_REPOSITORY;
+      } else if (repo.open(objectId).getType() == Constants.OBJ_TREE) {
+        subRepository = null;
+        type = TreeType.DIRECTORY;
+      } else {
+        subRepository = null;
+        type = TreeType.FILE;
+      }
     }
 
     String getPathString() {
@@ -500,8 +500,12 @@ public class GitBrowseCommand extends AbstractGitCommand
       return objectId;
     }
 
-    boolean isDirectory() {
+    SubRepository getSubRepository() {
-      return directory;
+      return subRepository;
+    }
+
+    TreeType getType() {
+      return type;
     }
 
     List<TreeEntry> getChildren() {
@@ -509,7 +513,7 @@ public class GitBrowseCommand extends AbstractGitCommand
     }
 
     void setChildren(List<TreeEntry> children) {
-      sort(children, TreeEntry::isDirectory, TreeEntry::getNameString);
+      sort(children, entry -> entry.type != TreeType.FILE, TreeEntry::getNameString);
       this.children = children;
     }
   }

scm-ui/ui-components/src/CardColumn.stories.tsx

@@ -0,0 +1,56 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020-present Cloudogu GmbH and Contributors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+import React, { FC } from "react";
+import { MemoryRouter } from "react-router-dom";
+import { storiesOf } from "@storybook/react";
+import CardColumn from "./CardColumn";
+import Icon from "./Icon";
+import styled from "styled-components";
+
+const Wrapper = styled.div`
+  margin: 2rem;
+  max-width: 400px;
+`;
+
+const Container: FC = ({ children }) => <Wrapper>{children}</Wrapper>;
+
+const title = <strong>title</strong>;
+const avatar = <Icon name="icons fa-2x" className="media-left" />;
+const link = "/foo/bar";
+const footerLeft = <small>left footer</small>;
+const footerRight = <small>right footer</small>;
+
+storiesOf("CardColumn", module)
+  .addDecorator(story => <MemoryRouter initialEntries={["/"]}>{story()}</MemoryRouter>)
+  .addDecorator(storyFn => <Container>{storyFn()}</Container>)
+  .add("default", () => (
+    <CardColumn
+      title={title}
+      description="A description can be added here."
+      avatar={avatar}
+      link={link}
+      footerLeft={footerLeft}
+      footerRight={footerRight}
+    />
+  ));

scm-ui/ui-components/src/CardColumn.tsx

@@ -68,6 +68,14 @@ const ContentRight = styled.div`
   margin-left: auto;
 `;
 
+const RightMarginDiv = styled.div`
+  margin-right: 0.5rem;
+`;
+
+const InheritFlexShrinkDiv = styled.div`
+  flex-shrink: inherit;
+`;
+
 export default class CardColumn extends React.Component<Props> {
   createLink = () => {
     const { link, action } = this.props;
@@ -105,8 +113,10 @@ export default class CardColumn extends React.Component<Props> {
               <ContentRight>{contentRight}</ContentRight>
             </div>
             <FooterWrapper className={classNames("level", "is-flex")}>
-              <div className="level-left is-hidden-mobile">{footerLeft}</div>
+              <RightMarginDiv className="level-left is-hidden-mobile">{footerLeft}</RightMarginDiv>
-              <div className="level-right is-mobile is-marginless">{footerRight}</div>
+              <InheritFlexShrinkDiv className="level-right is-block is-mobile is-marginless shorten-text">
+                {footerRight}
+              </InheritFlexShrinkDiv>
             </FooterWrapper>
           </FlexFullHeight>
         </NoEventWrapper>

scm-ui/ui-components/src/CardColumnSmall.stories.tsx

@@ -0,0 +1,48 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020-present Cloudogu GmbH and Contributors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+import React, { FC } from "react";
+import { MemoryRouter } from "react-router-dom";
+import { storiesOf } from "@storybook/react";
+import CardColumnSmall from "./CardColumnSmall";
+import Icon from "./Icon";
+import styled from "styled-components";
+
+const Wrapper = styled.div`
+  margin: 2rem;
+  max-width: 400px;
+`;
+
+const Container: FC = ({ children }) => <Wrapper>{children}</Wrapper>;
+
+const link = "/foo/bar";
+const icon = <Icon name="icons fa-2x" className="media-left" />;
+const contentLeft = <strong className="is-marginless">main content</strong>;
+const contentRight = <small>more text</small>;
+
+storiesOf("CardColumnSmall", module)
+  .addDecorator(story => <MemoryRouter initialEntries={["/"]}>{story()}</MemoryRouter>)
+  .addDecorator(storyFn => <Container>{storyFn()}</Container>)
+  .add("default", () => (
+    <CardColumnSmall link={link} icon={icon} contentLeft={contentLeft} contentRight={contentRight} />
+  ));

scm-ui/ui-components/src/CardColumnSmall.tsx

@@ -0,0 +1,82 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020-present Cloudogu GmbH and Contributors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+import React, { FC, ReactNode } from "react";
+import classNames from "classnames";
+import styled from "styled-components";
+import { Link } from "react-router-dom";
+
+type Props = {
+  link: string;
+  icon: ReactNode;
+  contentLeft: ReactNode;
+  contentRight: ReactNode;
+  footer?: ReactNode;
+};
+
+const FlexFullHeight = styled.div`
+  flex-direction: column;
+  justify-content: space-around;
+  align-self: stretch;
+`;
+
+const ContentLeft = styled.div`
+  margin-bottom: 0 !important;
+  overflow: hidden;
+`;
+
+const ContentRight = styled.div`
+  margin-left: auto;
+  align-items: start;
+`;
+
+const CenteredItems = styled.div`
+  align-items: center;
+`;
+
+const StyledLink = styled(Link)`
+  color: inherit;
+  :hover {
+    color: #33b2e8 !important;
+  }
+`;
+
+const CardColumnSmall: FC<Props> = ({ link, icon, contentLeft, contentRight, footer }) => {
+  return (
+    <StyledLink to={link}>
+      <div className="media">
+        {icon}
+        <FlexFullHeight className={classNames("media-content", "text-box", "is-flex")}>
+          <CenteredItems className="is-flex">
+            <ContentLeft>{contentLeft}</ContentLeft>
+            <ContentRight>{contentRight}</ContentRight>
+          </CenteredItems>
+          <small>{footer}</small>
+        </FlexFullHeight>
+      </div>
+    </StyledLink>
+  );
+};
+
+export default CardColumnSmall;

scm-ui/ui-components/src/__snapshots__/storyshots.test.ts.snap

@@ -445,6 +445,119 @@ exports[`Storyshots Buttons|SubmitButton Default 1`] = `
 </div>
 `;
 
+exports[`Storyshots CardColumn default 1`] = `
+<div
+  className="CardColumnstories__Wrapper-sc-1ztucl-0 IFDjP"
+>
+  <a
+    className="overlay-column"
+    href="/foo/bar"
+    onClick={[Function]}
+  />
+  <article
+    className="CardColumn__NoEventWrapper-sc-1w6lsih-0 kZKqpc media"
+  >
+    <figure
+      className="CardColumn__AvatarWrapper-sc-1w6lsih-1 bZyfne media-left"
+    >
+      <i
+        className="fas fa-icons fa-2x has-text-grey-light media-left"
+      />
+    </figure>
+    <div
+      className="CardColumn__FlexFullHeight-sc-1w6lsih-2 cAdfGj media-content text-box is-flex"
+    >
+      <div
+        className="is-flex"
+      >
+        <div
+          className="CardColumn__ContentLeft-sc-1w6lsih-4 dumWkw content"
+        >
+          <p
+            className="shorten-text is-marginless"
+          >
+            <strong>
+              title
+            </strong>
+          </p>
+          <p
+            className="shorten-text"
+          >
+            A description can be added here.
+          </p>
+        </div>
+        <div
+          className="CardColumn__ContentRight-sc-1w6lsih-5 kyEPRa"
+        />
+      </div>
+      <div
+        className="CardColumn__FooterWrapper-sc-1w6lsih-3 jlTqlS level is-flex"
+      >
+        <div
+          className="CardColumn__RightMarginDiv-sc-1w6lsih-6 dbLPPh level-left is-hidden-mobile"
+        >
+          <small>
+            left footer
+          </small>
+        </div>
+        <div
+          className="CardColumn__InheritFlexShrinkDiv-sc-1w6lsih-7 jkwBTE level-right is-block is-mobile is-marginless shorten-text"
+        >
+          <small>
+            right footer
+          </small>
+        </div>
+      </div>
+    </div>
+  </article>
+</div>
+`;
+
+exports[`Storyshots CardColumnSmall default 1`] = `
+<div
+  className="CardColumnSmallstories__Wrapper-ofr817-0 fwZASP"
+>
+  <a
+    className="CardColumnSmall__StyledLink-tk9h0o-4 bSCFyE"
+    href="/foo/bar"
+    onClick={[Function]}
+  >
+    <div
+      className="media"
+    >
+      <i
+        className="fas fa-icons fa-2x has-text-grey-light media-left"
+      />
+      <div
+        className="CardColumnSmall__FlexFullHeight-tk9h0o-0 fwRxNw media-content text-box is-flex"
+      >
+        <div
+          className="CardColumnSmall__CenteredItems-tk9h0o-3 eHPOKj is-flex"
+        >
+          <div
+            className="CardColumnSmall__ContentLeft-tk9h0o-1 ihirgF"
+          >
+            <strong
+              className="is-marginless"
+            >
+              main content
+            </strong>
+          </div>
+          <div
+            className="CardColumnSmall__ContentRight-tk9h0o-2 jZRaNn"
+          >
+            <small>
+              more text
+            </small>
+          </div>
+        </div>
+        <small />
+      </div>
+    </div>
+  </a>
+</div>
+`;
+
 exports[`Storyshots DateFromNow Default 1`] = `
 <div>
   <p>
@@ -34455,7 +34568,7 @@ exports[`Storyshots RepositoryEntry Avatar EP 1`] = `
         className="CardColumn__FooterWrapper-sc-1w6lsih-3 jlTqlS level is-flex"
       >
         <div
-          className="level-left is-hidden-mobile"
+          className="CardColumn__RightMarginDiv-sc-1w6lsih-6 dbLPPh level-left is-hidden-mobile"
         >
           <a
             className="RepositoryEntryLink__PointerEventsLink-sc-1hpqj0w-0 gtboNN level-item"
@@ -34495,7 +34608,7 @@ exports[`Storyshots RepositoryEntry Avatar EP 1`] = `
           </a>
         </div>
         <div
-          className="level-right is-mobile is-marginless"
+          className="CardColumn__InheritFlexShrinkDiv-sc-1w6lsih-7 jkwBTE level-right is-block is-mobile is-marginless shorten-text"
         >
           <small
             className="level-item"
@@ -34572,7 +34685,7 @@ exports[`Storyshots RepositoryEntry Before Title EP 1`] = `
         className="CardColumn__FooterWrapper-sc-1w6lsih-3 jlTqlS level is-flex"
       >
         <div
-          className="level-left is-hidden-mobile"
+          className="CardColumn__RightMarginDiv-sc-1w6lsih-6 dbLPPh level-left is-hidden-mobile"
         >
           <a
             className="RepositoryEntryLink__PointerEventsLink-sc-1hpqj0w-0 gtboNN level-item"
@@ -34612,7 +34725,7 @@ exports[`Storyshots RepositoryEntry Before Title EP 1`] = `
           </a>
         </div>
         <div
-          className="level-right is-mobile is-marginless"
+          className="CardColumn__InheritFlexShrinkDiv-sc-1w6lsih-7 jkwBTE level-right is-block is-mobile is-marginless shorten-text"
         >
           <small
             className="level-item"
@@ -34686,7 +34799,7 @@ exports[`Storyshots RepositoryEntry Default 1`] = `
         className="CardColumn__FooterWrapper-sc-1w6lsih-3 jlTqlS level is-flex"
       >
         <div
-          className="level-left is-hidden-mobile"
+          className="CardColumn__RightMarginDiv-sc-1w6lsih-6 dbLPPh level-left is-hidden-mobile"
         >
           <a
             className="RepositoryEntryLink__PointerEventsLink-sc-1hpqj0w-0 gtboNN level-item"
@@ -34726,7 +34839,7 @@ exports[`Storyshots RepositoryEntry Default 1`] = `
           </a>
         </div>
         <div
-          className="level-right is-mobile is-marginless"
+          className="CardColumn__InheritFlexShrinkDiv-sc-1w6lsih-7 jkwBTE level-right is-block is-mobile is-marginless shorten-text"
         >
           <small
             className="level-item"
@@ -34800,7 +34913,7 @@ exports[`Storyshots RepositoryEntry Quick Link EP 1`] = `
         className="CardColumn__FooterWrapper-sc-1w6lsih-3 jlTqlS level is-flex"
       >
         <div
-          className="level-left is-hidden-mobile"
+          className="CardColumn__RightMarginDiv-sc-1w6lsih-6 dbLPPh level-left is-hidden-mobile"
         >
           <a
             className="RepositoryEntryLink__PointerEventsLink-sc-1hpqj0w-0 gtboNN level-item"
@@ -34847,7 +34960,7 @@ exports[`Storyshots RepositoryEntry Quick Link EP 1`] = `
           </a>
         </div>
         <div
-          className="level-right is-mobile is-marginless"
+          className="CardColumn__InheritFlexShrinkDiv-sc-1w6lsih-7 jkwBTE level-right is-block is-mobile is-marginless shorten-text"
         >
           <small
             className="level-item"

scm-ui/ui-components/src/index.ts

@@ -75,6 +75,7 @@ export { default as ErrorBoundary } from "./ErrorBoundary";
 export { default as OverviewPageActions } from "./OverviewPageActions";
 export { default as CardColumnGroup } from "./CardColumnGroup";
 export { default as CardColumn } from "./CardColumn";
+export { default as CardColumnSmall } from "./CardColumnSmall";
 
 export { default as comparators } from "./comparators";
 

scm-ui/ui-webapp/src/admin/plugins/components/PluginEntry.tsx

@@ -87,8 +87,12 @@ class PluginEntry extends React.Component<Props, State> {
     });
   };
 
+  createFooterLeft = (plugin: Plugin) => {
+      return <small>{plugin.version}</small>;
+  };
+
   createFooterRight = (plugin: Plugin) => {
-    return <small className="level-item">{plugin.author}</small>;
+    return <small className="level-item is-block shorten-text">{plugin.author}</small>;
   };
 
   isInstallable = () => {
@@ -172,8 +176,8 @@ class PluginEntry extends React.Component<Props, State> {
     const { plugin } = this.props;
     const avatar = this.createAvatar(plugin);
     const actionbar = this.createActionbar();
+    const footerLeft = this.createFooterLeft(plugin);
     const footerRight = this.createFooterRight(plugin);
-
     const modal = this.renderModal();
 
     return (
@@ -184,6 +188,7 @@ class PluginEntry extends React.Component<Props, State> {
           title={plugin.displayName ? <strong>{plugin.displayName}</strong> : <strong>{plugin.name}</strong>}
           description={plugin.description}
           contentRight={plugin.pending || plugin.markedForUninstall ? this.createPendingSpinner() : actionbar}
+          footerLeft={footerLeft}
           footerRight={footerRight}
         />
         {modal}

scm-webapp/pom.xml

@@ -24,7 +24,8 @@
     SOFTWARE.
 
 -->
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
 
   <modelVersion>4.0.0</modelVersion>
 
@@ -309,7 +310,7 @@
     <dependency>
       <groupId>org.apache.tika</groupId>
       <artifactId>tika-core</artifactId>
-      <version>1.23</version>
+      <version>1.24</version>
     </dependency>
 
     <!-- unix restart -->
@@ -462,7 +463,6 @@
       <version>2.1.1</version>
       <scope>provided</scope>
     </dependency>
-
   </dependencies>
 
   <build>
@@ -663,7 +663,7 @@
     <scm.stage>DEVELOPMENT</scm.stage>
     <scm.home>target/scm-it</scm.home>
     <environment.profile>default</environment.profile>
-    <jjwt.version>0.11.0</jjwt.version>
+    <jjwt.version>0.11.1</jjwt.version>
     <selenium.version>2.53.1</selenium.version>
     <wagon.version>1.0</wagon.version>
     <mustache.version>0.9.6-scm1</mustache.version>

scm-webapp/src/main/java/sonia/scm/plugin/DefaultPluginManager.java

@@ -31,7 +31,6 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import sonia.scm.NotFoundException;
 import sonia.scm.event.ScmEventBus;
-import sonia.scm.lifecycle.RestartEvent;
 import sonia.scm.lifecycle.Restarter;
 import sonia.scm.version.Version;
 
@@ -52,7 +51,6 @@ import static sonia.scm.ScmConstraintViolationException.Builder.doThrow;
 //~--- JDK imports ------------------------------------------------------------
 
 /**
- *
  * @author Sebastian Sdorra
  */
 @Singleton
@@ -64,17 +62,19 @@ public class DefaultPluginManager implements PluginManager {
   private final PluginCenter center;
   private final PluginInstaller installer;
   private final Restarter restarter;
+  private final ScmEventBus eventBus;
 
   private final Collection<PendingPluginInstallation> pendingInstallQueue = new ArrayList<>();
   private final Collection<PendingPluginUninstallation> pendingUninstallQueue = new ArrayList<>();
   private final PluginDependencyTracker dependencyTracker = new PluginDependencyTracker();
 
   @Inject
-  public DefaultPluginManager(PluginLoader loader, PluginCenter center, PluginInstaller installer, Restarter restarter) {
+  public DefaultPluginManager(PluginLoader loader, PluginCenter center, PluginInstaller installer, Restarter restarter, ScmEventBus eventBus) {
     this.loader = loader;
     this.center = center;
     this.installer = installer;
     this.restarter = restarter;
+    this.eventBus = eventBus;
 
     this.computeInstallationDependencies();
   }
@@ -172,8 +172,10 @@ public class DefaultPluginManager implements PluginManager {
         PendingPluginInstallation pending = installer.install(plugin);
         dependencyTracker.addInstalled(plugin.getDescriptor());
         pendingInstallations.add(pending);
+        eventBus.post(new PluginEvent(PluginEvent.PluginEventType.INSTALLED, plugin));
       } catch (PluginInstallException ex) {
         cancelPending(pendingInstallations);
+        eventBus.post(new PluginEvent(PluginEvent.PluginEventType.INSTALLATION_FAILED, plugin));
         throw ex;
       }
     }
@@ -255,7 +257,7 @@ public class DefaultPluginManager implements PluginManager {
 
       Set<String> dependencies = plugin.getDescriptor().getDependencies();
       if (dependencies != null) {
-        for (String dependency: dependencies){
+        for (String dependency : dependencies) {
           collectPluginsToInstall(plugins, dependency, false);
         }
       }

scm-webapp/src/main/java/sonia/scm/plugin/PluginCenterLoader.java

@@ -27,10 +27,10 @@ package sonia.scm.plugin;
 import com.google.common.annotations.VisibleForTesting;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import sonia.scm.event.ScmEventBus;
 import sonia.scm.net.ahc.AdvancedHttpClient;
 
 import javax.inject.Inject;
-import java.io.IOException;
 import java.util.Collections;
 import java.util.Set;
 
@@ -40,16 +40,18 @@ class PluginCenterLoader {
 
   private final AdvancedHttpClient client;
   private final PluginCenterDtoMapper mapper;
+  private final ScmEventBus eventBus;
 
   @Inject
-  public PluginCenterLoader(AdvancedHttpClient client) {
+  public PluginCenterLoader(AdvancedHttpClient client, ScmEventBus eventBus) {
-    this(client, PluginCenterDtoMapper.INSTANCE);
+    this(client, PluginCenterDtoMapper.INSTANCE, eventBus);
   }
 
   @VisibleForTesting
-  PluginCenterLoader(AdvancedHttpClient client, PluginCenterDtoMapper mapper) {
+  PluginCenterLoader(AdvancedHttpClient client, PluginCenterDtoMapper mapper, ScmEventBus eventBus) {
     this.client = client;
     this.mapper = mapper;
+    this.eventBus = eventBus;
   }
 
   Set<AvailablePlugin> load(String url) {
@@ -59,8 +61,8 @@ class PluginCenterLoader {
       return mapper.map(pluginCenterDto);
     } catch (Exception ex) {
       LOG.error("failed to load plugins from plugin center, returning empty list", ex);
+      eventBus.post(new PluginCenterErrorEvent());
       return Collections.emptySet();
     }
   }
-
 }

scm-webapp/src/test/java/sonia/scm/api/v2/resources/PluginDtoMapperTest.java

@@ -31,22 +31,18 @@ import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
-import org.mockito.Answers;
 import org.mockito.InjectMocks;
 import org.mockito.Mock;
 import org.mockito.junit.jupiter.MockitoExtension;
 import sonia.scm.lifecycle.Restarter;
 import sonia.scm.plugin.AvailablePlugin;
-import sonia.scm.plugin.AvailablePluginDescriptor;
 import sonia.scm.plugin.InstalledPlugin;
 import sonia.scm.plugin.PluginInformation;
 
 import java.net.URI;
-import java.util.Collections;
 
 import static java.util.Collections.emptyList;
 import static org.assertj.core.api.Assertions.assertThat;
-import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.when;
 import static sonia.scm.plugin.PluginTestHelper.createAvailable;
 import static sonia.scm.plugin.PluginTestHelper.createInstalled;

scm-webapp/src/test/java/sonia/scm/plugin/DefaultPluginManagerTest.java

@@ -36,16 +36,19 @@ import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
 import org.junitpioneer.jupiter.TempDirectory;
 import org.mockito.ArgumentCaptor;
+import org.mockito.Captor;
 import org.mockito.InjectMocks;
 import org.mockito.Mock;
 import org.mockito.junit.jupiter.MockitoExtension;
 import sonia.scm.NotFoundException;
 import sonia.scm.ScmConstraintViolationException;
+import sonia.scm.event.ScmEventBus;
 import sonia.scm.lifecycle.Restarter;
 
 import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
+import java.util.Collections;
 import java.util.List;
 import java.util.Optional;
 
@@ -53,6 +56,7 @@ import static java.util.Arrays.asList;
 import static java.util.Collections.singleton;
 import static java.util.Collections.singletonList;
 import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.in;
 import static org.junit.jupiter.api.Assertions.assertThrows;
 import static org.mockito.Mockito.any;
 import static org.mockito.Mockito.doNothing;
@@ -83,6 +87,12 @@ class DefaultPluginManagerTest {
   @Mock
   private Restarter restarter;
 
+  @Mock
+  private ScmEventBus eventBus;
+
+  @Captor
+  private ArgumentCaptor<PluginEvent> eventCaptor;
+
   @InjectMocks
   private DefaultPluginManager manager;
 
@@ -537,8 +547,36 @@ class DefaultPluginManagerTest {
 
       verify(installer, never()).install(oldScriptPlugin);
     }
+
+    @Test
+    void shouldFirePluginEventOnInstallation() {
+      AvailablePlugin review = createAvailable("scm-review-plugin");
+      when(center.getAvailable()).thenReturn(ImmutableSet.of(review));
+
+      manager.install("scm-review-plugin", false);
+
+      verify(eventBus).post(eventCaptor.capture());
+
+      assertThat(eventCaptor.getValue().getEventType()).isEqualTo(PluginEvent.PluginEventType.INSTALLED);
+      assertThat(eventCaptor.getValue().getPlugin()).isEqualTo(review);
     }
 
+    @Test
+    void shouldFirePluginEventOnFailedInstallation() {
+      AvailablePlugin review = createAvailable("scm-review-plugin");
+      when(center.getAvailable()).thenReturn(ImmutableSet.of(review));
+      doThrow(new PluginDownloadException(review, new IOException())).when(installer).install(review);
+
+      assertThrows(PluginDownloadException.class, () -> manager.install("scm-review-plugin", false));
+
+      verify(eventBus).post(eventCaptor.capture());
+      assertThat(eventCaptor.getValue().getEventType()).isEqualTo(PluginEvent.PluginEventType.INSTALLATION_FAILED);
+      assertThat(eventCaptor.getValue().getPlugin()).isEqualTo(review);
+    }
+
+  }
+
+
   @Nested
   class WithoutReadPermissions {
 

scm-webapp/src/test/java/sonia/scm/plugin/PluginCenterLoaderTest.java

@@ -30,6 +30,7 @@ import org.mockito.Answers;
 import org.mockito.InjectMocks;
 import org.mockito.Mock;
 import org.mockito.junit.jupiter.MockitoExtension;
+import sonia.scm.event.ScmEventBus;
 import sonia.scm.net.ahc.AdvancedHttpClient;
 
 import java.io.IOException;
@@ -37,6 +38,8 @@ import java.util.Collections;
 import java.util.Set;
 
 import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
 @ExtendWith(MockitoExtension.class)
@@ -50,6 +53,9 @@ class PluginCenterLoaderTest {
   @Mock
   private PluginCenterDtoMapper mapper;
 
+  @Mock
+  private ScmEventBus eventBus;
+
   @InjectMocks
   private PluginCenterLoader loader;
 
@@ -71,4 +77,13 @@ class PluginCenterLoaderTest {
     Set<AvailablePlugin> fetch = loader.load(PLUGIN_URL);
     assertThat(fetch).isEmpty();
   }
+
+  @Test
+  void shouldFirePluginCenterErrorEvent() throws IOException {
+    when(client.get(PLUGIN_URL).request()).thenThrow(new IOException("failed to fetch"));
+
+    loader.load(PLUGIN_URL);
+
+    verify(eventBus).post(any(PluginCenterErrorEvent.class));
+  }
 }