Re: [PATCH] [GSOC] cherry-pick: fix bug when used with GIT_CHERRY_PICK_HELP

[Felipe Contreras <felipe.contreras@gmail.com>]

ZheNing Hu wrote:
> Junio C Hamano <gitster@pobox.com> 于2021年7月23日周五 上午5:25写道：
> >
> > "ZheNing Hu via GitGitGadget" <gitgitgadget@gmail.com> writes:
> >
> > > From: ZheNing Hu <adlternative@gmail.com>
> > >
> > > If we set the value of the environment variable GIT_CHERRY_PICK_HELP
> > > when using `git cherry-pick`, CHERRY_PICK_HEAD will be deleted, then
> > > we will get an error when we try to use `git cherry-pick --continue`
> > > or other cherr-pick command.
> >
> > I think that the GIT_CHERRY_PICK_HELP is an implemention detail for
> > various forms of rebase to use cherry-pick as a backend and not for
> > use by end users.
> >
> 
> But someone complain to me that the cherry-pick advice is not good enough.

I agree it's not good enough.

In my opinion `git cherry-pick` should be a more prominent command, and
a lot functionality is missing.

> Think about a git newbie is cherry-picking a patch series containing
> several commits,
> E.g.
> 
> git cherry-pick dev~3..dev
> 
> And then he (she) will see these advice info:
> hint: after resolving the conflicts, mark the corrected paths
> hint: with 'git add <paths>' or 'git rm <paths>'
> hint: and commit the result with 'git commit'
> 
> After he resolving git conflict, execute 'git commit' according to the
> prompt, A terrible thing happened: CHERRY_PICK_HEAD is deleted
> by git and no errors are output. But in fact .git/sequencer still exists,
> Wait until he uses the cherry-pick command next time, the error appears:
> 
> error: cherry-pick is already in progress
> hint: try "git cherry-pick (--continue | --abort | --quit)"
> fatal: cherry-pick failed
> 
> So we should not encourage users to use git commit when git cherry-pick.
> It would be great if it could provide advice similar to rebase, like this:
> 
> Once you are satisfied with your changes, run
> 
>   git cherry-pick --continue

Agreed.

-- 
Felipe Contreras