Re: corrupted Git repository

From: Kasra Khosoussi <kasra.mail@gmail.com>
Date: Jun 21, 2011, 10:10 UTC
Message-ID: <BANLkTi=GdEfXnAGa6V-33wqX2C-2x-9JQQ@mail.gmail.com>
In-Reply-To: <4E006682.80101@drmicha.warpmail.net>

Thanks for your help.

I used update-ref and changed refs/heads/master to the sha1 of previous commit. Then I commit the changes. Everything seems fine now except (as you previously mentioned), git fsck -full complains about dangling trees. Is it critical?

-Kasra

On Tue, Jun 21, 2011 at 2:08 PM, Michael J Gruber <git@drmicha.warpmail.net> wrote:

Show 30 quoted lines

> Kasra Khosoussi venit, vidit, dixit 21.06.2011 11:30:
>>> Backup now!
>>> I guess you've done that meanwhile anyways, but it's important before
>>> any recovery attempts.
>>
>> Yes, I've done that.
>>
>>> Is your reflog OK, i.e. do you get proper output from "git reflog" or
>>> "git log -g"?
>>
>> No. Before moving the corrupted object git reflog would return:
>> fatal: object 0a83757505387aacc2fd36b3c996729e6bf9d6e5 is corrupted
>>
>> and after moving the file it would say:
>> fatal: bad object HEAD
>
> Oh yes, stupid me, sorry. "git reflog" tries to parse HEAD. But you can
> look at the file directly:
>
> tail .git/logs/HEAD
> tail .git/logs/refs/heads/master
>
> etc. show you what's been going on with those refs lately.
>
> You should be able to pick the the sha1 before the corrupt one from that
> and do things like "git log that_sha1" if only the most recent commit is
> corrupt.
>
> Michael
>