Disable 'delete' ref menu item for remote branches

It didn't actually perform the remote delete, just dropped the local copy of the ref.

Author: rowanj

Classes/Views/PBRefMenuItem.m

@@ -47,8 +47,9 @@ + (NSArray *) defaultMenuItemsForRef:(PBGitRef *)ref inRepository:(PBGitReposito
 	BOOL isDetachedHead = (isHead && [headRefName isEqualToString:@"HEAD"]);
 
 	NSString *remoteName = [ref remoteName];
-	if (!remoteName && [ref isBranch])
+	if (!remoteName && [ref isBranch]) {
 		remoteName = [[repo remoteRefForBranch:ref error:NULL] remoteName];
+	}
 	BOOL hasRemote = (remoteName ? YES : NO);
 	BOOL isRemote = ([ref isRemote] && ![ref isRemoteBranch]);
 
@@ -131,8 +132,12 @@ + (NSArray *) defaultMenuItemsForRef:(PBGitRef *)ref inRepository:(PBGitReposito
 
 	// delete ref
 	[items addObject:[PBRefMenuItem separatorItem]];
-	NSString *deleteTitle = [NSString stringWithFormat:@"Delete %@…", targetRefName];
-	[items addObject:[PBRefMenuItem itemWithTitle:deleteTitle action:@selector(showDeleteRefSheet:) enabled:!isDetachedHead]];
+	{
+		NSString *deleteTitle = [NSString stringWithFormat:@"Delete %@…", targetRefName];
+		BOOL deleteEnabled = !(isDetachedHead || [ref isRemote]);
+		PBRefMenuItem *deleteItem = [PBRefMenuItem itemWithTitle:deleteTitle action:@selector(showDeleteRefSheet:) enabled:deleteEnabled];
+		[items addObject:deleteItem];
+	}
 
 	for (PBRefMenuItem *item in items) {
 		[item setTarget:target];