Re: Non-interactively rewording commit messages

["brian m. carlson" <sandals@crustytoothpaste.net>]

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On 2022-06-30 at 15:27:57, Konstantin Ryabitsev wrote:
> Hello, all:
> 
> What's the best approach to non-interactively rewrite specific commit
> messages? In this particular case, I am trying to automatically retrieve code
> review trailers sent to the mailing list and put them into corresponding
> commits.
> 
> For example, I have a set of commits:
> 
> abcabc: This commit does foo
> bcdbcd: This commit does bar
> cdecde: This commit does baz
> 
> They were all sent to the mailing list and a maintainer sent a "Reviewed-by"
> to the second commit. In a usual interactive rebase session this would be:
> 
> pick abcabc
> reword bcdbcd
> pick cdecde

You can set GIT_SEQUENCE_EDITOR to a command which does this in-place on
the file...

> When the edit screen comes up for the bcdbcd commit, the author would manually
> stick the new trailer into the commit message. However, I can automate all
> that away with b4 -- just need a sane strategy for non-interactively rewriting
> entire commit messages at arbitrary points in the recent history.

...and you can set GIT_EDITOR to modify the commit message in-place in
whatever way you want, and then use git rebase -i to rebase.
-- 
brian m. carlson (he/him or they/them)
Toronto, Ontario, CA

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