Oleg Pykhalov <go.wigust@gmail.com> writes:

> ludo@gnu.org (Ludovic Courtès) writes:
>
>> Pierre Neidhardt <ambrevar@gmail.com> skribis:
>>
>>> Considering the importance of Emacs in this community, I think it would
>>> make sense to provide a cutting-edge version.
>>
>> Do you mean a snapshot of the ‘master’ branch?
>>
>> We don’t do that usually, and I would instead suggest using
>> ‘--with-source’ for people who would like that.
>>
>> What do people think?
>
> In case of ‘emacs’ package recipe, ‘--with-source’ doesn't work for a
> snapshot of the ‘master’ branch.
>
> To build the ‘master’ branch you need to write a new package recipe.  I
> think it's not acceptable for a non-contributor in Guix.  WDYT?

This sounds like a job for the mythical "channel" facility.  In the mean
time, sharing package recipes for sticking in GUIX_PACKAGE_PATH like you
did upthread seems like a reasonable workaround.