public static String mergeStrategyName(boolean useContentMerge, boolean useRecursiveMerge) {
if (useContentMerge) {
// Settings for this project allow us to try and automatically resolve
// conflicts within files if needed. Use either the old resolve merger or
// new recursive merger, and instruct to operate in core.
if (useRecursiveMerge) {
return MergeStrategy.RECURSIVE.getName();
} else {
return MergeStrategy.RESOLVE.getName();
}
} else {
// No auto conflict resolving allowed. If any of the
// affected files was modified, merge will fail.
return MergeStrategy.SIMPLE_TWO_WAY_IN_CORE.getName();
}
}
/**
* Merges current master with the given branch. The strategy used is Resolve since egit does still
* not support the Recusive stragety.
*
* @param branch the branch to merge
* @param repository the repository the branch is in
* @param monitor the monitor to report the progress to
* @return the result of the merge
* @throws CoreException
* @see MergeStrategy#RESOLVE
* @link http://www.eclipse.org/forums/index.php/mv/msg/261278/753913/#msg_753913
* @link https://bugs.eclipse.org/bugs/show_bug.cgi?id=354099
* @link https://bugs.eclipse.org/bugs/show_bug.cgi?id=359951
*/
private static MergeResult merge(String branch, Repository repository, IProgressMonitor monitor)
throws CoreException {
MergeOperation merge = new MergeOperation(repository, branch, MergeStrategy.RESOLVE.getName());
merge.execute(monitor);
return merge.getResult();
}
public static CherryPickResult cherryPickNoMerge(final Git git, Ref src)
throws GitAPIException, CantMergeCommitWithZeroParentsException {
// Does the same as the original git-cherryPick
// except commiting after running merger
Repository repo = git.getRepository();
RevCommit newHead = null;
List<Ref> cherryPickedRefs = new LinkedList<Ref>();
RevWalk revWalk = new RevWalk(repo);
try {
// get the head commit
Ref headRef = repo.getRef(Constants.HEAD);
if (headRef == null)
throw new NoHeadException(JGitText.get().commitOnRepoWithoutHEADCurrentlyNotSupported);
RevCommit headCommit = revWalk.parseCommit(headRef.getObjectId());
newHead = headCommit;
// get the commit to be cherry-picked
// handle annotated tags
ObjectId srcObjectId = src.getPeeledObjectId();
if (srcObjectId == null) srcObjectId = src.getObjectId();
RevCommit srcCommit = revWalk.parseCommit(srcObjectId);
// get the parent of the commit to cherry-pick
if (srcCommit.getParentCount() == 0)
throw new CantMergeCommitWithZeroParentsException(
"Commit with zero parents cannot be merged");
if (srcCommit.getParentCount() > 1)
throw new MultipleParentsNotAllowedException(
MessageFormat.format(
JGitText.get().canOnlyCherryPickCommitsWithOneParent,
srcCommit.name(),
Integer.valueOf(srcCommit.getParentCount())));
RevCommit srcParent = srcCommit.getParent(0);
revWalk.parseHeaders(srcParent);
ResolveMerger merger = (ResolveMerger) MergeStrategy.RESOLVE.newMerger(repo);
merger.setWorkingTreeIterator(new FileTreeIterator(repo));
merger.setBase(srcParent.getTree());
if (merger.merge(headCommit, srcCommit)) {
DirCacheCheckout dco =
new DirCacheCheckout(
repo, headCommit.getTree(), repo.lockDirCache(), merger.getResultTreeId());
dco.setFailOnConflict(true);
dco.checkout();
cherryPickedRefs.add(src);
} else {
if (merger.failed()) return new CherryPickResult(merger.getFailingPaths());
// there are merge conflicts
String message =
new MergeMessageFormatter()
.formatWithConflicts(srcCommit.getFullMessage(), merger.getUnmergedPaths());
repo.writeCherryPickHead(srcCommit.getId());
repo.writeMergeCommitMsg(message);
return CherryPickResult.CONFLICT;
}
} catch (IOException e) {
throw new JGitInternalException(
MessageFormat.format(JGitText.get().exceptionCaughtDuringExecutionOfCherryPickCommand, e),
e);
} finally {
revWalk.release();
}
return new CherryPickResult(newHead, cherryPickedRefs);
}