Removing a commit from a local branch

> Consider the following example. The maintainer has the following
> branch locally
> 
>   todeliver: A-B-C-D
> 
> He is happy with commits A, C and D but wants to reject B. Ideally I
> want to be able to say
>   git rebase --onto <parent of B> <child of B> todelvier
> 
> and get
>   todeliver: A-C'-D'
> 
> I know that <parent of B> can be referred to as B~1 but what about
> <child of B>? I've read through the man page for git-rev-parse and
> nothing stands out as child of commit X.
> 
> Is there a better what do achieve what I'm after?

> Hi List,
> 
> I'm part of a development team using git. We use a maintainer model
> where developers send patches/pull requests to a maintainer who
> applies the patches to a local branch, decides if they're good or not
> and pushes the good patches to the public repository.
> 
> What I want to do is script the removal of a bad patch so that the
> maintainer identifies a patch in his local branch, sends an email to
> the author telling them why their patch is being rejected then removes
> the commit for that patch. Using git log a script can extract the
> author email address, hash and headline of each commit. Based on that
> information scripting the email is easy enough. Now I come to using
> git rebase to remove the bad commit based on its hash which leads me
> to my question - How do I refer to a commit based on the hash of its
> parent?
> 
> Consider the following example. The maintainer has the following branch locally
> 
>   todeliver: A-B-C-D
> 
> He is happy with commits A, C and D but wants to reject B. Ideally I
> want to be able to say
>   git rebase --onto <parent of B> <child of B> todelvier

> On 2009.01.12 11:42:24 +1300, Chris Packham wrote:
>> Hi List,
>>
>> I'm part of a development team using git. We use a maintainer model
>> where developers send patches/pull requests to a maintainer who
>> applies the patches to a local branch, decides if they're good or not
>> and pushes the good patches to the public repository.
>>
>> What I want to do is script the removal of a bad patch so that the
>> maintainer identifies a patch in his local branch, sends an email to
>> the author telling them why their patch is being rejected then removes
>> the commit for that patch. Using git log a script can extract the
>> author email address, hash and headline of each commit. Based on that
>> information scripting the email is easy enough. Now I come to using
>> git rebase to remove the bad commit based on its hash which leads me
>> to my question - How do I refer to a commit based on the hash of its
>> parent?
>>
>> Consider the following example. The maintainer has the following branch locally
>>
>>   todeliver: A-B-C-D
>>
>> He is happy with commits A, C and D but wants to reject B. Ideally I
>> want to be able to say
>>   git rebase --onto <parent of B> <child of B> todelvier
>
> You don't want <child of B> there, just B.
>
> git rebase --onto <onto> <upstream> <branch>
>
> Rebases the commits from the range <upstream>..<branch>, and that
> _excludes_ the commit (referenced by) <upstream>.
>
> So:
> git rebase --onto B^ B todeliver
>
> Works on: B..todeliver == todeliver --not B
> And that range contains commits C and D.
>
> Björn
>

> Consider the following example. The maintainer has the
> following branch locally
>
>   todeliver: A-B-C-D
>
> He is happy with commits A, C and D but wants to reject B. Ideally I
> want to be able to say
>   git rebase --onto <parent of B> <child of B> todelvier
>
> and get
>   todeliver: A-C'-D'