From: Jacob Helwig <jacob.helwig@gmail.com>
Date: Wed, 25 Mar 2009 18:20:23 GMT
Subject: Re: reverting initial commit
Message-ID: <8c9a060903251120j3e757e94o96b2b77669c16c61@mail.gmail.com>
In-Reply-To: <49CA7428.70400@obry.net>

On Wed, Mar 25, 2009 at 11:12, Pascal Obry <pascal@obry.net> wrote:
>
> Starting a new project I create a new repo and added some files for the
> initial revision of the project, something like:
>
> mkdir repo.git
> cd repo.git
> git init
> touch file
> git add file
> git ci -m "initial revision"
>
> Now one file was not meant to be committed, I wanted to revert this commit:
>
> git reset HEAD^
>
> fatal: ambiguous argument 'HEAD^': unknown revision or path not in the
> working tree.
> Use '--' to separate paths from revisions
>
> I understand that HEAD^ does not exist, is there a way to do that?
>
> Thanks,
> Pascal.
>
> --
>
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> --| Pascal Obry                           Team-Ada Member
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You want "git filter-branch".  Probably something like:

git filter-branch --index-filter 'git rm --cached --ignore-unmatched
FILE_TO_REMOVE' -- --all

This will remove FILE_TO_REMOVE from all commits across all branches.

-Jacob