bug#62940: 29.0.60; vc: no easy way to get diff of all outgoing changes

[sbaugh]

Spencer Baugh <sbaugh@janestreet.com> writes:
> Filipp Gunbin <fgunbin@fastmail.fm> writes:
>> Usually I just do C-x v L, select commits that interest me (via region),
>> and do M-x log-view-diff.
>>
>> Have you tried that?  What do you miss there?
>
> Wow, amazing, I did not think to try that!  After some further
> improvements to my vc backend, that is perfect!

After using it for a bit, one issue is that C-x v O shows changes in all
files; it would be nice if there was a way to get outgoing
changes/commits only for the current fileset.