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Determine correct revision for tags in hooks

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The former code only resolved the object id of the tags, when those were
annotated tags (for "simple" tags the code worked fine). Now we even can
handle nested tags (tags that reference other tags).
This commit is contained in:
René Pfeuffer
2020-09-23 14:18:49 +02:00
parent beb89633ac
commit cd9da7e658
3 changed files with 90 additions and 23 deletions
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42
scm-plugins/scm-git-plugin/src/main/java/sonia/scm/repository/api/GitHookTagProvider.java
View File

@@ -24,9 +24,14 @@
package sonia.scm.repository.api;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.Strings;
import com.google.common.collect.ImmutableList;
import org.eclipse.jgit.lib.ObjectId;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.revwalk.RevObject;
import org.eclipse.jgit.revwalk.RevTag;
import org.eclipse.jgit.revwalk.RevWalk;
import org.eclipse.jgit.transport.ReceiveCommand;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@@ -36,6 +41,8 @@ import sonia.scm.repository.Tag;
import java.io.IOException;
import java.util.List;
import static sonia.scm.repository.GitUtil.getId;
/**
* Git provider implementation of {@link HookTagProvider}.
*
@@ -65,14 +72,14 @@ public class GitHookTagProvider implements HookTagProvider {
if (Strings.isNullOrEmpty(tag)) {
LOG.debug("received ref name {} is not a tag", refName);
} else {
try {
try (RevWalk revWalk = createRevWalk(repository)) {
if (isCreate(rc)) {
createdTagBuilder.add(createTagFromNewId(rc, tag, GitUtil.getTagTime(repository, rc.getNewId())));
createdTagBuilder.add(createTagFromNewId(revWalk, rc, tag));
} else if (isDelete(rc)) {
deletedTagBuilder.add(createTagFromOldId(rc, tag, GitUtil.getTagTime(repository, rc.getOldId())));
deletedTagBuilder.add(createTagFromOldId(revWalk, rc, tag));
} else if (isUpdate(rc)) {
createdTagBuilder.add(createTagFromNewId(rc, tag, GitUtil.getTagTime(repository, rc.getNewId())));
deletedTagBuilder.add(createTagFromOldId(rc, tag, GitUtil.getTagTime(repository, rc.getOldId())));
createdTagBuilder.add(createTagFromNewId(revWalk, rc, tag));
deletedTagBuilder.add(createTagFromOldId(revWalk, rc, tag));
}
} catch (IOException e) {
LOG.error("Could not read tag time", e);
@@ -84,12 +91,25 @@ public class GitHookTagProvider implements HookTagProvider {
deletedTags = deletedTagBuilder.build();
}
private Tag createTagFromNewId(ReceiveCommand rc, String tag, Long tagTime) {
return new Tag(tag, GitUtil.getId(rc.getNewId()), tagTime);
private Tag createTagFromNewId(RevWalk revWalk, ReceiveCommand rc, String tag) throws IOException {
final ObjectId newId = rc.getNewId();
return new Tag(tag, getId(unpeelTag(revWalk, newId)), GitUtil.getTagTime(revWalk, newId));
}
private Tag createTagFromOldId(ReceiveCommand rc, String tag, Long tagTime) {
return new Tag(tag, GitUtil.getId(rc.getOldId()), tagTime);
private Tag createTagFromOldId(RevWalk revWalk, ReceiveCommand rc, String tag) throws IOException {
final ObjectId oldId = rc.getOldId();
return new Tag(tag, getId(unpeelTag(revWalk, oldId)), GitUtil.getTagTime(revWalk, oldId));
}
public ObjectId unpeelTag(RevWalk revWalk, ObjectId oldId) throws IOException {
final RevObject revObject = revWalk.parseAny(oldId);
if (revObject instanceof RevTag) {
return unpeelTag(revWalk, ((RevTag) revObject).getObject());
} else if (revObject == null) {
return oldId;
} else {
return revObject;
}
}
private boolean isUpdate(ReceiveCommand rc) {
@@ -114,4 +134,8 @@ public class GitHookTagProvider implements HookTagProvider {
return deletedTags;
}
@VisibleForTesting
RevWalk createRevWalk(Repository repository) {
return new RevWalk(repository);
}
}