I have a bunch of signed-off and pushed commits. I want to change their messages. However, when I do so with commands such as: git rebase -i HEAD~12 and reword their signatures disappear (I check it with git log --show-signature). How to change commits messages while keeping them signed-off?
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techkuz
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You can sign them off again using this command:
git commit --amend --signoff
For multiple commits:
git filter-branch -f --commit-filter 'git commit-tree -S "$@"' HEAD
git push -f
Saeed
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use filter-branch for multiple commits. updated the answer – Saeed Aug 26 '18 at 07:53
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There is no way to keep the old signatures while changing (e.g. its messages) the commits.
One way to change messages and sign-off again (creating new commits and substituting the old ones) is:
git rebase -i -S HEAD~12
techkuz
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This is because you literally *can't* change a commit. You can only make a *new* commit that you start using instead of the old one. So you must sign the new commit. – torek Aug 26 '18 at 17:02