Show the branch that will be tracked when creating a tracking branch

Author: brotherbard

PBRefMenuItem.m

@@ -59,7 +59,8 @@ + (NSArray *) defaultMenuItemsForRef:(PBGitRef *)ref inRepository:(PBGitReposito
 		[items addObject:[PBRefMenuItem separatorItem]];
 
 		// create branch
-		[items addObject:[PBRefMenuItem itemWithTitle:@"Create branch…" action:@selector(createBranch:) enabled:YES]];
+		NSString *createBranchTitle = [ref isRemoteBranch] ? [NSString stringWithFormat:@"Create branch that tracks %@…", targetRefName] : @"Create branch…";
+		[items addObject:[PBRefMenuItem itemWithTitle:createBranchTitle action:@selector(createBranch:) enabled:YES]];
 
 		// create tag
 		[items addObject:[PBRefMenuItem itemWithTitle:@"Create Tag…" action:@selector(createTag:) enabled:YES]];