Re: Adding refactoring capabilities to Emacs

[Juri Linkov]

>> A possible solution would be to support a region by 'C-c C-a'.
>> Then it will be possible to activate the region on the whole buffer
>> or on a few hunks, and type a single 'C-c C-a'.
>
> Another problem is trying to do an atomic revert if a large diff, across
> multiple files, fails to apply somewhere in the middle.
>
>> Another problem that the changes are not saved automatically
>> on multiple files.  This limitation forces to use tricks like
>> 'M-| git apply RET' after selecting the whole diff buffer with 'C-x h'
>> or a region of the diff buffer.  A "poor man's auto-save".
>
> This approach might help with the above, though.

Indeed, and an atomic revert in case of no errors (just when the
user changes the mind) is to do 'C-c C-r' ('diff-reverse-direction'),
and then 'M-| git apply RET' again.

But the drawback of this approach is that visited files will be out of sync
that requires reverting with losing their content.