[JGIT PATCH 2/4] Fixed bug where RefUpdate didn't delete identical HEAD branch

[Charles O'Farrell <charleso@charleso.org>]

Signed-off-by: Charles O'Farrell <charleso@charleso.org>
---
 .../src/org/spearce/jgit/lib/RefUpdate.java        |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/org.spearce.jgit/src/org/spearce/jgit/lib/RefUpdate.java b/org.spearce.jgit/src/org/spearce/jgit/lib/RefUpdate.java
index aa2cecb..34a784b 100644
--- a/org.spearce.jgit/src/org/spearce/jgit/lib/RefUpdate.java
+++ b/org.spearce.jgit/src/org/spearce/jgit/lib/RefUpdate.java
@@ -359,7 +359,7 @@ private Result updateImpl(final RevWalk walk, final Store store)
 			newObj = safeParse(walk, newValue);
 			oldObj = safeParse(walk, oldValue);
 			if (newObj == oldObj)
-				return Result.NO_CHANGE;
+				return store.store(lock, Result.NO_CHANGE);
 
 			if (newObj instanceof RevCommit && oldObj instanceof RevCommit) {
 				if (walk.isMergedInto((RevCommit) oldObj, (RevCommit) newObj))
@@ -390,6 +390,8 @@ private static RevObject safeParse(final RevWalk rw, final AnyObjectId id)
 
 	private Result updateStore(final LockFile lock, final Result status)
 			throws IOException {
+		if (status == Result.NO_CHANGE)
+			return status;
 		lock.setNeedStatInformation(true);
 		lock.write(newValue);
 		String msg = getRefLogMessage();
-- 
1.6.0.49.gea35