Re: How to rebase one branch of the merge commit?

[Hans Ginzel <hans@matfyz.cz>]

On Sun, Feb 01, 2015 at 08:28:28PM +0100, Dennis Kaarsemaker wrote:
>On zo, 2015-02-01 at 19:42 +0100, Hans Ginzel wrote:
>> Hello!
>>
>> Suppose following git history:
>>
>> A–M–C
>>   /
>> B
>>
>> How to achieve this with commits metadata preserving?
>>
>> A–M'–C'
>>   /
>> B'
>>
>> I did
>>
>> git checkout B
>> git add something_not_in_other_commits
>> git commit --amend
>>
>> So I have B'. How to continue, please? My git version is 1.7.1 (Centos 6.5).
>
>Assuming you have a branch pointing to C and no uncommitted changes:

>1) git checkout branch-that-points-to-c
>2) git rev-parse branch-that-point-to-c
>3) git reset --hard A
>4) git merge B'

This creates a new merge comit (M').

>5) git cherry-pick sha1-that-was-the-output-of-step-2

This does nothing: "Finished one cherry-pick. nothing to commit (working directory clean)"

Thank you, but how to preserve date, message author of the original merge commit (M)
to the new one (M'), please?

Regards,
HG