implement git post receive hooks

This commit is contained in:
Sebastian Sdorra
2011-07-17 18:45:55 +02:00
parent edb92c8195
commit ed0e7b2cb1
8 changed files with 537 additions and 169 deletions

View File

@@ -0,0 +1,244 @@
/**
* Copyright (c) 2010, Sebastian Sdorra
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of SCM-Manager; nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* http://bitbucket.org/sdorra/scm-manager
*
*/
package sonia.scm.repository;
//~--- non-JDK imports --------------------------------------------------------
import org.eclipse.jgit.diff.DiffEntry;
import org.eclipse.jgit.lib.ObjectId;
import org.eclipse.jgit.lib.PersonIdent;
import org.eclipse.jgit.lib.Ref;
import org.eclipse.jgit.revwalk.RevCommit;
import org.eclipse.jgit.revwalk.RevTree;
import org.eclipse.jgit.treewalk.EmptyTreeIterator;
import org.eclipse.jgit.treewalk.TreeWalk;
//~--- JDK imports ------------------------------------------------------------
import java.io.Closeable;
import java.io.IOException;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
*
* @author Sebastian Sdorra
*/
public class GitChangesetConverter implements Closeable
{
/**
* Constructs ...
*
*
* @param repository
* @param idLength
*/
public GitChangesetConverter(org.eclipse.jgit.lib.Repository repository,
int idLength)
{
this.idLength = idLength;
createTagMap(repository);
treeWalk = new TreeWalk(repository);
}
//~--- methods --------------------------------------------------------------
/**
* Method description
*
*/
@Override
public void close()
{
GitUtil.release(treeWalk);
}
/**
* Method description
*
*
*
* @param commit
*
* @return
*
* @throws IOException
*/
public Changeset createChangeset(RevCommit commit) throws IOException
{
String id = commit.getId().abbreviate(idLength).name();
long date = GitUtil.getCommitTime(commit);
PersonIdent authorIndent = commit.getCommitterIdent();
Person author = new Person(authorIndent.getName(),
authorIndent.getEmailAddress());
String message = commit.getShortMessage();
Changeset changeset = new Changeset(id, date, author, message);
Modifications modifications = createModifications(treeWalk, commit);
if (modifications != null)
{
changeset.setModifications(modifications);
}
String tag = tags.get(commit.getId());
if (tag != null)
{
changeset.getTags().add(tag);
}
return changeset;
}
/**
* TODO: copy and rename
*
*
* @param modifications
* @param entry
*/
private void appendModification(Modifications modifications, DiffEntry entry)
{
switch (entry.getChangeType())
{
case ADD :
modifications.getAdded().add(entry.getNewPath());
break;
case MODIFY :
modifications.getModified().add(entry.getNewPath());
break;
case DELETE :
modifications.getRemoved().add(entry.getOldPath());
break;
}
}
/**
* Method description
*
*
* @param treeWalk
* @param commit
*
* @return
*
* @throws IOException
*/
private Modifications createModifications(TreeWalk treeWalk, RevCommit commit)
throws IOException
{
Modifications modifications = null;
treeWalk.reset();
treeWalk.setRecursive(true);
if (commit.getParentCount() > 0)
{
RevTree tree = commit.getParent(0).getTree();
if (tree != null)
{
treeWalk.addTree(tree);
}
else
{
treeWalk.addTree(new EmptyTreeIterator());
}
}
else
{
treeWalk.addTree(new EmptyTreeIterator());
}
treeWalk.addTree(commit.getTree());
List<DiffEntry> entries = DiffEntry.scan(treeWalk);
for (DiffEntry e : entries)
{
if (!e.getOldId().equals(e.getNewId()))
{
if (modifications == null)
{
modifications = new Modifications();
}
appendModification(modifications, e);
}
}
return modifications;
}
/**
* Method description
*
*
* @param repository
*
*/
private void createTagMap(org.eclipse.jgit.lib.Repository repository)
{
tags = new HashMap<ObjectId, String>();
Map<String, Ref> tagMap = repository.getTags();
if (tagMap != null)
{
for (Map.Entry<String, Ref> e : tagMap.entrySet())
{
tags.put(e.getValue().getObjectId(), e.getKey());
}
}
}
//~--- fields ---------------------------------------------------------------
/** Field description */
private int idLength;
/** Field description */
private Map<ObjectId, String> tags;
/** Field description */
private TreeWalk treeWalk;
}

View File

@@ -37,26 +37,20 @@ package sonia.scm.repository;
import org.eclipse.jgit.api.Git;
import org.eclipse.jgit.api.errors.NoHeadException;
import org.eclipse.jgit.diff.DiffEntry;
import org.eclipse.jgit.lib.ObjectId;
import org.eclipse.jgit.lib.PersonIdent;
import org.eclipse.jgit.lib.Ref;
import org.eclipse.jgit.revwalk.RevCommit;
import org.eclipse.jgit.treewalk.EmptyTreeIterator;
import org.eclipse.jgit.treewalk.TreeWalk;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import sonia.scm.util.IOUtil;
//~--- JDK imports ------------------------------------------------------------
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
*
@@ -65,9 +59,6 @@ import java.util.Map;
public class GitChangesetViewer implements ChangesetViewer
{
/** Field description */
public static final int ID_LENGTH = 20;
/** the logger for GitChangesetViewer */
private static final Logger logger =
LoggerFactory.getLogger(GitChangesetViewer.class);
@@ -104,7 +95,7 @@ public class GitChangesetViewer implements ChangesetViewer
ChangesetPagingResult changesets = null;
File directory = handler.getDirectory(repository);
org.eclipse.jgit.lib.Repository gr = null;
TreeWalk treeWalk = null;
GitChangesetConverter converter = null;
try
{
@@ -112,19 +103,16 @@ public class GitChangesetViewer implements ChangesetViewer
if (!gr.getAllRefs().isEmpty())
{
converter = new GitChangesetConverter(gr, GitUtil.ID_LENGTH);
Git git = new Git(gr);
List<Changeset> changesetList = new ArrayList<Changeset>();
int counter = 0;
treeWalk = new TreeWalk(gr);
Map<ObjectId, String> tags = createTagMap(gr);
for (RevCommit commit : git.log().call())
{
if ((counter >= start) && (counter < start + max))
{
changesetList.add(createChangeset(treeWalk, tags, commit));
changesetList.add(converter.createChangeset(commit));
}
counter++;
@@ -143,158 +131,13 @@ public class GitChangesetViewer implements ChangesetViewer
}
finally
{
GitUtil.release(treeWalk);
IOUtil.close(converter);
GitUtil.close(gr);
}
return changesets;
}
//~--- methods --------------------------------------------------------------
/**
* TODO: copy and rename
*
*
* @param modifications
* @param entry
*/
private void appendModification(Modifications modifications, DiffEntry entry)
{
switch (entry.getChangeType())
{
case ADD :
modifications.getAdded().add(entry.getNewPath());
break;
case MODIFY :
modifications.getModified().add(entry.getNewPath());
break;
case DELETE :
modifications.getRemoved().add(entry.getOldPath());
break;
}
}
/**
* Method description
*
*
*
* @param treeWalk
* @param tags
* @param commit
*
* @return
*
* @throws IOException
*/
private Changeset createChangeset(TreeWalk treeWalk,
Map<ObjectId, String> tags,
RevCommit commit)
throws IOException
{
String id = commit.getId().abbreviate(ID_LENGTH).name();
long date = GitUtil.getCommitTime(commit);
PersonIdent authorIndent = commit.getCommitterIdent();
Person author = new Person(authorIndent.getName(),
authorIndent.getEmailAddress());
String message = commit.getShortMessage();
Changeset changeset = new Changeset(id, date, author, message);
Modifications modifications = createModifications(treeWalk, commit);
if (modifications != null)
{
changeset.setModifications(modifications);
}
String tag = tags.get(commit.getId());
if (tag != null)
{
changeset.getTags().add(tag);
}
return changeset;
}
/**
* Method description
*
*
* @param treeWalk
* @param commit
*
* @return
*
* @throws IOException
*/
private Modifications createModifications(TreeWalk treeWalk, RevCommit commit)
throws IOException
{
Modifications modifications = null;
treeWalk.reset();
treeWalk.setRecursive(true);
if (commit.getParentCount() > 0)
{
treeWalk.addTree(commit.getParent(0).getTree());
}
else
{
treeWalk.addTree(new EmptyTreeIterator());
}
treeWalk.addTree(commit.getTree());
List<DiffEntry> entries = DiffEntry.scan(treeWalk);
for (DiffEntry e : entries)
{
if (!e.getOldId().equals(e.getNewId()))
{
if (modifications == null)
{
modifications = new Modifications();
}
appendModification(modifications, e);
}
}
return modifications;
}
/**
* Method description
*
*
* @param repository
*
* @return
*/
private Map<ObjectId,
String> createTagMap(org.eclipse.jgit.lib.Repository repository)
{
Map<ObjectId, String> tagMap = new HashMap<ObjectId, String>();
Map<String, Ref> tags = repository.getTags();
if (tags != null)
{
for (Map.Entry<String, Ref> e : tags.entrySet())
{
tagMap.put(e.getValue().getObjectId(), e.getKey());
}
}
return tagMap;
}
//~--- fields ---------------------------------------------------------------
/** Field description */

View File

@@ -57,6 +57,9 @@ import org.eclipse.jgit.util.FS;
public class GitUtil
{
/** Field description */
public static final int ID_LENGTH = 20;
/**
* Method description
*

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@@ -0,0 +1,163 @@
/**
* Copyright (c) 2010, Sebastian Sdorra
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of SCM-Manager; nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* http://bitbucket.org/sdorra/scm-manager
*
*/
package sonia.scm.web;
//~--- non-JDK imports --------------------------------------------------------
import org.eclipse.jgit.revwalk.RevCommit;
import org.eclipse.jgit.revwalk.RevWalk;
import org.eclipse.jgit.transport.PostReceiveHook;
import org.eclipse.jgit.transport.ReceiveCommand;
import org.eclipse.jgit.transport.ReceivePack;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import sonia.scm.repository.Changeset;
import sonia.scm.repository.GitChangesetConverter;
import sonia.scm.repository.GitRepositoryHandler;
import sonia.scm.repository.GitUtil;
import sonia.scm.repository.RepositoryManager;
import sonia.scm.repository.RepositoryNotFoundException;
import sonia.scm.util.IOUtil;
//~--- JDK imports ------------------------------------------------------------
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
/**
*
* @author Sebastian Sdorra
*/
public class GitPostReceiveHook implements PostReceiveHook
{
/** the logger for GitPostReceiveHook */
private static final Logger logger =
LoggerFactory.getLogger(GitPostReceiveHook.class);
//~--- constructors ---------------------------------------------------------
/**
* Constructs ...
*
*
* @param repositoryManager
*/
public GitPostReceiveHook(RepositoryManager repositoryManager)
{
this.repositoryManager = repositoryManager;
}
//~--- methods --------------------------------------------------------------
/**
* Method description
*
*
* @param rpack
* @param receiveCommands
*/
@Override
public void onPostReceive(ReceivePack rpack,
Collection<ReceiveCommand> receiveCommands)
{
GitChangesetConverter converter = null;
RevWalk walk = rpack.getRevWalk();
try
{
List<Changeset> changesets = new ArrayList<Changeset>();
converter = new GitChangesetConverter(rpack.getRepository(),
GitUtil.ID_LENGTH);
for (ReceiveCommand rc : receiveCommands)
{
if (isCreateCommand(rc))
{
RevCommit commit = walk.parseCommit(rc.getNewId());
if (commit != null)
{
changesets.add(converter.createChangeset(commit));
}
}
}
String repositoryName = rpack.getRepository().getDirectory().getName();
repositoryManager.firePostReceiveEvent(GitRepositoryHandler.TYPE_NAME,
repositoryName, changesets);
}
catch (RepositoryNotFoundException ex)
{
logger.error("repository could not be found", ex);
}
catch (IOException ex)
{
logger.error("could not parse PostReceiveHook", ex);
}
finally
{
IOUtil.close(converter);
GitUtil.release(walk);
}
}
//~--- get methods ----------------------------------------------------------
/**
* Method description
*
*
* @param rc
*
* @return
*/
private boolean isCreateCommand(ReceiveCommand rc)
{
return (rc.getResult() == ReceiveCommand.Result.OK)
&& (rc.getType() == ReceiveCommand.Type.CREATE);
}
//~--- fields ---------------------------------------------------------------
/** Field description */
private RepositoryManager repositoryManager;
}

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@@ -0,0 +1,106 @@
/**
* Copyright (c) 2010, Sebastian Sdorra
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of SCM-Manager; nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* http://bitbucket.org/sdorra/scm-manager
*
*/
package sonia.scm.web;
//~--- non-JDK imports --------------------------------------------------------
import com.google.inject.Inject;
import org.eclipse.jgit.http.server.resolver.DefaultReceivePackFactory;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.transport.ReceivePack;
import org.eclipse.jgit.transport.resolver.ReceivePackFactory;
import org.eclipse.jgit.transport.resolver.ServiceNotAuthorizedException;
import org.eclipse.jgit.transport.resolver.ServiceNotEnabledException;
import sonia.scm.repository.RepositoryManager;
//~--- JDK imports ------------------------------------------------------------
import javax.servlet.http.HttpServletRequest;
/**
*
* @author Sebastian Sdorra
*/
public class GitReceivePackFactory
implements ReceivePackFactory<HttpServletRequest>
{
/**
* Constructs ...
*
*
* @param repositoryManager
*/
@Inject
public GitReceivePackFactory(RepositoryManager repositoryManager)
{
hook = new GitPostReceiveHook(repositoryManager);
}
//~--- methods --------------------------------------------------------------
/**
* Method description
*
*
* @param request
* @param repository
*
* @return
*
* @throws ServiceNotAuthorizedException
* @throws ServiceNotEnabledException
*/
@Override
public ReceivePack create(HttpServletRequest request, Repository repository)
throws ServiceNotEnabledException, ServiceNotAuthorizedException
{
ReceivePack rpack = defaultFactory.create(request, repository);
rpack.setPostReceiveHook(hook);
return rpack;
}
//~--- fields ---------------------------------------------------------------
/** Field description */
private DefaultReceivePackFactory defaultFactory =
new DefaultReceivePackFactory();
/** Field description */
private GitPostReceiveHook hook;
}

View File

@@ -35,6 +35,8 @@ package sonia.scm.web;
//~--- non-JDK imports --------------------------------------------------------
import com.google.inject.Inject;
import org.eclipse.jgit.errors.RepositoryNotFoundException;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.lib.RepositoryCache;
@@ -78,6 +80,7 @@ public class GitRepositoryResolver
*
* @param handler
*/
@Inject
public GitRepositoryResolver(GitRepositoryHandler handler)
{
this.handler = handler;

View File

@@ -36,8 +36,8 @@ package sonia.scm.web;
//~--- non-JDK imports --------------------------------------------------------
import com.google.inject.servlet.ServletModule;
import sonia.scm.plugin.ext.Extension;
import sonia.scm.plugin.ext.Extension;
import sonia.scm.web.filter.BasicAuthenticationFilter;
/**
@@ -60,6 +60,10 @@ public class GitServletModule extends ServletModule
@Override
protected void configureServlets()
{
bind(GitRepositoryResolver.class);
bind(GitReceivePackFactory.class);
// serlvelts and filters
filter(PATTERN_GIT).through(BasicAuthenticationFilter.class);
filter(PATTERN_GIT).through(GitPermissionFilter.class);
serve(PATTERN_GIT).with(ScmGitServlet.class);

View File

@@ -42,7 +42,6 @@ import org.eclipse.jgit.http.server.GitServlet;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.transport.resolver.RepositoryResolver;
import sonia.scm.repository.GitRepositoryHandler;
import sonia.scm.util.HttpUtil;
//~--- JDK imports ------------------------------------------------------------
@@ -81,13 +80,16 @@ public class ScmGitServlet extends GitServlet
* Constructs ...
*
*
* @param handler
*
* @param repositoryResolver
* @param receivePackFactory
*/
@Inject
public ScmGitServlet(GitRepositoryHandler handler)
public ScmGitServlet(GitRepositoryResolver repositoryResolver,
GitReceivePackFactory receivePackFactory)
{
resolver = new GitRepositoryResolver(handler);
setRepositoryResolver(resolver);
setRepositoryResolver(repositoryResolver);
setReceivePackFactory(receivePackFactory);
}
//~--- methods --------------------------------------------------------------