Re: master 4803fba487 1/2: 'C-x v v' on a diff buffer commits it as a patch (bug#52349)

[Juri Linkov]

>> But even if we initially only support this in otherwise clean trees,
>> it will be a huge advantage vs the current situation, where this
>> feature is simply not available.
>
> Will the advantage be significant? I really have to ask, because IME
> applying an external patch and them committing the files as a whole never
> felt particularly painful before (aside from resolving any conflicts or
> corrupted whitespace, which the new feature doesn't help with).

Indeed, just 'M-! git apply' before using 'vc-checkin-patch' will do the job
in case of an external patch.

> And 'diff-mode' has had the 'diff-apply-hunk' command for ages --
> I use it often.
>
> OTOH, the lack of support for workflow corresponding to 'git add -p' has
> been complained about frequently, it's one of the reasons people use Magit,
> and I felt it as well many times.
>
> To improve your workflow, though, might it help to add a new command
> 'diff-apply-buffer'?

There is 'ediff-patch-buffer' that does this interactively like 'git add -p'.