On 2017-08-04 19:21, Stefan Monnier wrote:
>> Indeed, `git log -p --follow -L5,25:file.c' doesn't work.  But `git
>> log -p --follow -L5,25:file.c file.c' does work (note the extra mention of
>> the file name).
> 
> Hmm... what's the difference between
> 
>     git log -p -L5,25:file.c
> and
>     git log -p -L5,25:file.c file.c

The second one allows --follow; the first one doesn't.  I don't know what differences they may be beyond that :/

> Would this issue deserve a bug-report to Git?

Possibly; it's a bit intimidating.

>> Any arguments against the attached patch?
> 
> I'd suggest to compute (file-relative-name file) only once, and to add
> bug#27953 to the comment, but otherwise, looks good.

Attached an updated version :)

Clément.