Re: [PATCH] rebase: add --forget to cleanup rebase, leave HEAD untouched

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Nguyễn Thái Ngọc Duy  <pclouds@xxxxxxxxx> writes:

> There are occasions when you decide to abort an in-progress rebase and
> move on to do something else but you forget to do "git rebase --abort"
> first. Or the rebase has been in progress for so long you forgot about
> it. By the time you realize that (e.g. by starting another rebase)
> it's already too late to retrace your steps. The solution is normally
>
>     rm -r .git/<some rebase dir>
>
> and continue with your life. But there could be two different
> directories for <some rebase dir> (and it obviously requires some
> knowledge of how rebase works), and the ".git" part could be much
> longer if you are not at top-dir, or in a linked worktree. And
> "rm -r" is very dangerous to do in .git, a mistake in there could
> destroy object database or other important data.
>
> Provide "git rebase --forget" for this exact use case.

Two and a half comments.

 - The title says "leave HEAD untouched".  Are my working tree files
   and my index also safe from this operation, or is HEAD the only
   thing that is protected?

 - I think I saw a variant of this gotcha for an unconcluded
   cherry-pick that was left behind, which the bash-prompt script
   did not notice but the next "git cherry-pick" did by complaining
   "you are in the middle" or something like that.  Perhaps we would
   want to have a similarly sounding option to help that case, too,
   not in this patch but as another patch on the same theme?

 - Would it have helped if bash-prompt were in use?  I am not saying
   that this patch becomes unnecessary if you use it; I am trying to
   see if it helps its users by reminding them what state they are
   in.





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