Subject: Re: [PATCH 1/2] fsck: HEAD is part of refs

From: Junio C Hamano <[email-masked]>
Date: Sat, 31 Jan 2009 16:53:12 -0800

Johannes Sixt <[email-masked]> writes:

> Junio C Hamano schrieb:
>> By default we looked at all refs but not HEAD.  The only thing that
>> made fsck not lose sight of comments that are only reachable from a
>> detached HEAD was the reflog for the HEAD.
>> 
>> This fixes it, with a new test.
> [...]
>> +test_expect_success setup '
>> +	test_commit A &&
>> +	git checkout HEAD^0 &&
>> +	test_commit B &&
>> +	git reflog expire --expire=now --all
>> +'
>> +
>> +test_expect_success 'HEAD is part of refs' '
>> +	test 0 = $(git fsck | wc -l)
>
> I'm scratching my head over this. This test succeeds even without the
> change... (Tested with a34a9db.)

You are right.  I forgot that test_commit creates an extra tag.  By adding

	git tag -d B &&

after "test_commit B &&", you would expose the issue in the existing code.