On Sun, 21 May 2017, Kaushal Modi wrote:

> I attempted M-x ediff-patch-file.
> 
> But then I ended with with an issue which is well-described by Michael (copied on this email) in a thread on help-gnu-emacs back
> in Feb this year: http://lists.gnu.org/archive/html/help-gnu-emacs/2017-02/msg00035.html
> 
> It's the same issue that when I specify the root dir for all the patches to be applied, ediff-patch-file in my case (epatch in
> the case in that Feb 2017 thread) does not parse the subdirs for the unified diff format headers.
> 
> In that thread, Eli suggests using patch utility directly from the command-line. But I really wished ediff-patch-file/epatch
> worked correctly when applying multi-file patches.
> 
> So the reason for this thread is:
> 
> - Has anyone been able to apply multi-file patches from within emacs? If so, how?
> - If someone has worked out the issues with ediff-patch-file/epatch for this issue and the solution is lying around in their
> workarea, it would be awesome if they provided a patch to fix it upstream :)
> - I followed that Feb 2017 help thread, and it wasn't clear if a solution was reached.. was it?
Well,  i am not really using `ediff-patch-file' (a.k.a. `epatch') but i 
have an old patch for this issue.  That said, i don't think this patch is 
the ultimate solution, but at least improves the current situation a bit.
I am going to post it in Bug#26028.

Tino