branch wip-service-refactor created (now 239f7bd)

[Ludovic Courtès]

civodul pushed a change to branch wip-service-refactor
in repository guix.

        at  239f7bd   PRELIM: services: Introduce extensible abstract services.

This branch includes the following new commits:

       new  70392fe   gexp: Add 'computed-file'.
       new  1a88b90   gexp: Add 'program-file'.
       new  50b524d   gexp: Add 'mixed-text-file'.
       new  e57843f   services: 'mingetty-service' no longer takes monadic 
values.
       new  5c8238b   system: Make service procedures non-monadic.
       new  ad8747b   PRELIM: services: mingetty-service: Use 
<mingetty-configuration> objects.
       new  695972e   PRELIM: services: nscd-service: Fit everything into 
<nscd-configuration>.
       new  c6a8358   gexp: Add 'scheme-file'.
       new  7f0e985   system: pam: Use 'computed-file' instead of 
'gexp->derivation'.
       new  2b7baae   guix system: Add '--derivation'.
       new  c710386   system: Account skeleton API is non-monadic.
       new  239f7bd   PRELIM: services: Introduce extensible abstract services.

The 12 revisions listed above as "new" are entirely new to this
repository and will be described in separate emails.  The revisions
listed as "adds" were already present in the repository and have only
been added to this reference.