public static void HardReset(NGit.Repository repo, ObjectId newHead)
{
DirCache dc = null;
try
{
// Reset head to upstream
RefUpdate ru = repo.UpdateRef(Constants.HEAD);
ru.SetNewObjectId(newHead);
ru.SetForceUpdate(true);
RefUpdate.Result rc = ru.Update();
switch (rc)
{
case RefUpdate.Result.NO_CHANGE:
case RefUpdate.Result.NEW:
case RefUpdate.Result.FAST_FORWARD:
case RefUpdate.Result.FORCED:
break;
case RefUpdate.Result.REJECTED:
case RefUpdate.Result.LOCK_FAILURE:
throw new ConcurrentRefUpdateException(JGitText.Get().couldNotLockHEAD, ru.GetRef(), rc);
default:
throw new JGitInternalException("Reference update failed: " + rc);
}
dc = repo.LockDirCache();
RevWalk rw = new RevWalk(repo);
RevCommit c = rw.ParseCommit(newHead);
DirCacheCheckout checkout = new DirCacheCheckout(repo, null, dc, c.Tree);
checkout.Checkout();
}
catch
{
if (dc != null)
{
dc.Unlock();
}
throw;
}
}
public static MergeCommandResult MergeTrees(ProgressMonitor monitor, NGit.Repository repo, RevCommit srcBase, RevCommit srcCommit, string sourceDisplayName, bool commitResult)
{
RevCommit newHead;
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());
ResolveMerger merger = (ResolveMerger)((ThreeWayMerger)MergeStrategy.RESOLVE.NewMerger
(repo));
merger.SetWorkingTreeIterator(new FileTreeIterator(repo));
merger.SetBase(srcBase);
bool noProblems;
IDictionary <string, MergeResult <Sequence> > lowLevelResults = null;
IDictionary <string, ResolveMerger.MergeFailureReason> failingPaths = null;
IList <string> modifiedFiles = null;
ResolveMerger resolveMerger = merger;
resolveMerger.SetCommitNames(new string[] { "BASE", "HEAD", sourceDisplayName });
noProblems = merger.Merge(headCommit, srcCommit);
lowLevelResults = resolveMerger.GetMergeResults();
modifiedFiles = resolveMerger.GetModifiedFiles();
failingPaths = resolveMerger.GetFailingPaths();
if (monitor != null)
{
monitor.Update(50);
}
if (noProblems)
{
if (modifiedFiles != null && modifiedFiles.Count == 0)
{
return(new MergeCommandResult(headCommit, null, new ObjectId[] { headCommit.Id, srcCommit
.Id }, MergeStatus.ALREADY_UP_TO_DATE, MergeStrategy.RESOLVE, null, null));
}
DirCacheCheckout dco = new DirCacheCheckout(repo, headCommit.Tree, repo.LockDirCache
(), merger.GetResultTreeId());
dco.SetFailOnConflict(true);
dco.Checkout();
if (commitResult)
{
newHead = new NGit.Api.Git(repo).Commit().SetMessage(srcCommit.GetFullMessage()
).SetAuthor(srcCommit.GetAuthorIdent()).Call();
return(new MergeCommandResult(newHead.Id, null, new ObjectId[] { headCommit.Id, srcCommit
.Id }, MergeStatus.MERGED, MergeStrategy.RESOLVE, null, null));
}
else
{
return(new MergeCommandResult(headCommit, null, new ObjectId[] { headCommit.Id, srcCommit
.Id }, MergeStatus.MERGED, MergeStrategy.RESOLVE, null, null));
}
}
else
{
if (failingPaths != null)
{
return(new MergeCommandResult(null, merger.GetBaseCommit(0, 1), new ObjectId[] {
headCommit.Id, srcCommit.Id
}, MergeStatus.FAILED, MergeStrategy.RESOLVE, lowLevelResults
, failingPaths, null));
}
else
{
return(new MergeCommandResult(null, merger.GetBaseCommit(0, 1), new ObjectId[] {
headCommit.Id, srcCommit.Id
}, MergeStatus.CONFLICTING, MergeStrategy.RESOLVE, lowLevelResults
, null));
}
}
}
finally
{
revWalk.Release();
}
}