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This StackOverflow question has the best solutions/approaches to undo last commits.

I started using Magit a couple a weeks ago and after looking through all its documentation I still don't have a definitive/best way to undo a mistakenly committed change.

For example:
For undo and redo the last commit we can use:

$ git commit -m "Something terribly misguided" $ git reset HEAD~ << edit files as necessary >> $ git add ... $ git commit -c ORIG_HEAD # To keep the same commit message

What should be the best workflow to reproduce this procedure using Magit?

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1 Answer 1

Reset to default
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You can use magit-reset (bound by default to x). The commit at point will be used as the default for the prompt, but you can enter any revision value you'd like ("HEAD~" here).

The resetting commands are described in the "Resetting" section of the manual: https://magit.vc/manual/magit/Resetting.html

To reuse the commit message, you can use the =C option in the commit popup. Unforuntately, the prompt doesn't currently offer any completion values (I think it should probably at least offer ORIG_HEAD), but before resetting you can put the hash of the current commit in the kill ring (e.g., with C-w on the "Head:" line of the status buffer) and then, after resetting, yank it as the value for the =C option.

Some additional comments:

  • Instead of using =C, you may find it more convient to start off the commit (cc) and then use git-commit-prev-message (M-p) to cycle through previous messages.

  • If you are only modifying the last commit, you can tack on staged changes to the previous commit with magit-commit-amend (ca) or magit-commit-extend (ce). (The latter reuses the commit message, bypassing the COMMIT_EDITMSG buffer.)

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