On Wed, Jan 15, 2014 at 12:00:03AM -0500, Jeff King wrote:
> $ git rev-parse --symbolic-full-name HEAD@{u}
> refs/remotes/origin/master
> $ git rev-parse --symbolic-full-name @mybranch@{u}
> @mybranch@{u}
> fatal: ambiguous argument '@mybranch@{u}': unknown revision or path
> not in the working tree.
>
> So I do think there is a bug. The interpret_branch_name parser somehow
> gets confused by the "@" in the name.
The "somehow" is because we only look for the first "@", and never
consider any possible marks after that. The series below fixes it, along
with two other bugs I found while looking at this code. Ugh. Remind me
never to look at our object name parser ever again.
I feel pretty good that this is fixing real bugs and not regressing
anything else. I would not be surprised if there are other weird things
lurking, though. See the discussion in patch 4.
[1/5]: interpret_branch_name: factor out upstream handling
[2/5]: interpret_branch_name: rename "cp" variable to "at"
[3/5]: interpret_branch_name: always respect "namelen" parameter
[4/5]: interpret_branch_name: avoid @{upstream} past colon
[5/5]: interpret_branch_name: find all possible @-marks
-Peff
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