branch wip-service-refactor created (now b1e3d48)

[Ludovic Courtès]

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

        at  b1e3d48   PRELIM: services: Introduce extensible abstract services.

This branch includes the following new commits:

       new  f27c153   gexp: Add 'computed-file'.
       new  5f00284   gexp: Add 'program-file'.
       new  1914bc9   gexp: Add 'mixed-text-file'.
       new  1473e96   services: 'mingetty-service' no longer takes monadic 
values.
       new  df5284e   system: Make service procedures non-monadic.
       new  94342a2   services: mingetty-service: Use <mingetty-configuration> 
objects.
       new  d7edb4e   services: nscd-service: Fit everything into 
<nscd-configuration>.
       new  e420a9e   gexp: Add 'scheme-file'.
       new  878ce70   system: pam: Use 'computed-file' instead of 
'gexp->derivation'.
       new  2bd950b   guix system: Add '--derivation'.
       new  1a037e5   system: Account skeleton API is non-monadic.
       new  b1e3d48   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.