311e02a4a5
If the current branch is not a symbolic-ref that points to a name in the refs/heads/ namespace we now just assume that the head is a detached head. In this case we return the special branch name of HEAD rather than empty string, as HEAD is a valid revision specification and the empty string is not. I have also slightly improved the current-branch function by using string functions to parse the symbolic-ref data. This should be slightly faster than using a regsub. I think the code is clearer too. Signed-off-by: Shawn O. Pearce <spearce@spearce.org>