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Detect merges where branch has been deleted, too

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This commit is contained in:
René Pfeuffer
2020-08-06 07:58:22 +02:00
parent ac983d6067
commit 072d8f15c9
4 changed files with 35 additions and 87 deletions
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52
scm-plugins/scm-git-plugin/src/main/java/sonia/scm/repository/api/GitPostReceiveHookMergeDetectionProvider.java
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@@ -1,52 +0,0 @@
/*
* 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.repository.api;
import org.eclipse.jgit.lib.Repository;
import sonia.scm.repository.ChangesetPagingResult;
import sonia.scm.repository.spi.GitLogComputer;
import sonia.scm.repository.spi.HookMergeDetectionProvider;
import sonia.scm.repository.spi.LogCommandRequest;
public class GitPostReceiveHookMergeDetectionProvider implements HookMergeDetectionProvider {
private final Repository repository;
private final String repositoryId;
public GitPostReceiveHookMergeDetectionProvider(Repository repository, String repositoryId) {
this.repository = repository;
this.repositoryId = repositoryId;
}
@Override
public boolean branchesMerged(String target, String branch) {
LogCommandRequest request = new LogCommandRequest();
request.setBranch(branch);
request.setAncestorChangeset(target);
request.setPagingLimit(1);
ChangesetPagingResult changesets = new GitLogComputer(repositoryId, repository).compute(request);
return changesets.getTotal() == 0;
}
}

39
scm-plugins/scm-git-plugin/src/main/java/sonia/scm/repository/api/GitReceiveHookMergeDetectionProvider.java
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@@ -24,33 +24,58 @@
package sonia.scm.repository.api;
import org.eclipse.jgit.lib.AnyObjectId;
import org.eclipse.jgit.lib.ObjectId;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.transport.ReceiveCommand;
import sonia.scm.repository.GitUtil;
import sonia.scm.repository.spi.GitLogComputer;
import sonia.scm.repository.spi.HookMergeDetectionProvider;
import sonia.scm.repository.spi.LogCommandRequest;
import java.util.List;
public class GitReceiveHookMergeDetectionProvider implements HookMergeDetectionProvider {
private final Repository repository;
private final String repositoryId;
private final BranchMapper branchMapper;
private final List<ReceiveCommand> receiveCommands;
public GitReceiveHookMergeDetectionProvider(Repository repository, String repositoryId, BranchMapper branchMapper) {
public GitReceiveHookMergeDetectionProvider(Repository repository, String repositoryId, List<ReceiveCommand> receiveCommands) {
this.repository = repository;
this.repositoryId = repositoryId;
this.branchMapper = branchMapper;
this.receiveCommands = receiveCommands;
}
@Override
public boolean branchesMerged(String target, String branch) {
LogCommandRequest request = new LogCommandRequest();
request.setBranch(branchMapper.map(branch));
request.setAncestorChangeset(branchMapper.map(target));
request.setBranch(findRelevantRevisionForBranchIfToBeUpdated(branch));
request.setAncestorChangeset(findRelevantRevisionForBranchIfToBeUpdated(target));
request.setPagingLimit(1);
return new GitLogComputer(repositoryId, repository).compute(request).getTotal() == 0;
}
public interface BranchMapper {
String map(String branch);
private String findRelevantRevisionForBranchIfToBeUpdated(String branch) {
return receiveCommands
.stream()
.filter(receiveCommand -> isReceiveCommandForBranch(branch, receiveCommand))
.map(this::getRelevantRevision)
.map(AnyObjectId::getName)
.findFirst()
.orElse(branch);
}
private boolean isReceiveCommandForBranch(String branch, ReceiveCommand receiveCommand) {
return receiveCommand.getType() != ReceiveCommand.Type.CREATE
&& GitUtil.getBranch(receiveCommand.getRef()).equals(branch);
}
private ObjectId getRelevantRevision(ReceiveCommand receiveCommand) {
if (receiveCommand.getType() == ReceiveCommand.Type.DELETE) {
return receiveCommand.getOldId();
} else {
return receiveCommand.getNewId();
}
}
}

29
scm-plugins/scm-git-plugin/src/main/java/sonia/scm/repository/spi/GitHookContextProvider.java
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@@ -26,12 +26,9 @@ package sonia.scm.repository.spi;
//~--- non-JDK imports --------------------------------------------------------
import org.eclipse.jgit.lib.AnyObjectId;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.transport.ReceiveCommand;
import org.eclipse.jgit.transport.ReceivePack;
import sonia.scm.repository.GitUtil;
import sonia.scm.repository.RepositoryHookType;
import sonia.scm.repository.api.GitHookBranchProvider;
import sonia.scm.repository.api.GitHookMessageProvider;
import sonia.scm.repository.api.GitHookTagProvider;
@@ -67,20 +64,17 @@ public class GitHookContextProvider extends HookContextProvider
/**
* Constructs a new instance
* @param receivePack git receive pack
* @param receivePack git receive pack
* @param receiveCommands received commands
* @param type
*/
public GitHookContextProvider(
ReceivePack receivePack,
List<ReceiveCommand> receiveCommands,
RepositoryHookType type,
Repository repository,
String repositoryId
) {
this.receivePack = receivePack;
this.receiveCommands = receiveCommands;
this.type = type;
this.repository = repository;
this.repositoryId = repositoryId;
this.changesetProvider = new GitHookChangesetProvider(receivePack,
@@ -116,25 +110,7 @@ public class GitHookContextProvider extends HookContextProvider
@Override
public HookMergeDetectionProvider getMergeDetectionProvider() {
if (type == RepositoryHookType.POST_RECEIVE) {
return new GitReceiveHookMergeDetectionProvider(repository, repositoryId, branch -> branch);
} else {
return new GitReceiveHookMergeDetectionProvider(repository, repositoryId, this::findNewRevisionForBranchIfToBeUpdated);
}
}
private String findNewRevisionForBranchIfToBeUpdated(String branch) {
return receiveCommands
.stream()
.filter(receiveCommand -> isReceiveCommandForBranch(branch, receiveCommand))
.map(ReceiveCommand::getNewId)
.map(AnyObjectId::getName)
.findFirst()
.orElse(branch);
}
private boolean isReceiveCommandForBranch(String branch, ReceiveCommand receiveCommand) {
return GitUtil.getBranch(receiveCommand.getRef()).equals(branch);
return new GitReceiveHookMergeDetectionProvider(repository, repositoryId, receiveCommands);
}
@Override
@@ -146,7 +122,6 @@ public class GitHookContextProvider extends HookContextProvider
private final GitHookChangesetProvider changesetProvider;
private final List<ReceiveCommand> receiveCommands;
private final ReceivePack receivePack;
private final RepositoryHookType type;
private final Repository repository;
private final String repositoryId;
}

2
scm-plugins/scm-git-plugin/src/main/java/sonia/scm/web/GitReceiveHook.java
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@@ -122,7 +122,7 @@ public class GitReceiveHook implements PreReceiveHook, PostReceiveHook
logger.trace("resolved repository to {}", repositoryId);
GitHookContextProvider context = new GitHookContextProvider(rpack, receiveCommands, type, repository, repositoryId);
GitHookContextProvider context = new GitHookContextProvider(rpack, receiveCommands, repository, repositoryId);
hookEventFacade.handle(repositoryId).fireHookEvent(type, context);