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Implement log between two changesets for git

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This commit is contained in:
René Pfeuffer
2018-11-05 16:42:20 +01:00
parent ef23178fad
commit 2508a1b9b7
4 changed files with 74 additions and 11 deletions
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31
scm-plugins/scm-git-plugin/src/main/java/sonia/scm/repository/spi/GitLogCommand.java
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@@ -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();
}
}
}