branch master updated (a468f89 -> d633f2f)

[Ludovic Courtès]

civodul pushed a change to branch master
in repository guix.

      from  a468f89   system: examples: Add missing initrd to 
beaglebone-black.tmpl.
       new  8785bd7   doc: Document fixed-output derivations.
       new  206a28d   services: 'user-processes-service-type' can now be 
extended.
       new  4e9fd50   services: urandom-seed: Become a dependency of 
'user-processes'.
       new  8faaf8d   services: urandom-seed: Deprecate the 
'urandom-seed-service' procedure.
       new  4a32f58   services: urandom-seed: Depend on udev.
       new  de2032b   gnu: Add python-activepapers.
       new  4ca90ff   mapped-devices: Add 'location' and 'check' fields.
       new  42ff7d3   mapped-devices: 'luks-device-mapping' checks its source 
device.
       new  893d0b0   guix system: Check mapped devices upon 'init' and 
'reconfigure'.
       new  d633f2f   gnu: mutter: Add xorg-xserver-xwayland input.

The 10 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.


Summary of changes:
 doc/guix.texi                 |  12 +-
 gnu/packages/gnome.scm        |   6 +
 gnu/packages/python.scm       |  70 ++++++++++++
 gnu/services/base.scm         | 254 ++++++++++++++++++++++++------------------
 gnu/system.scm                |   2 +-
 gnu/system/mapped-devices.scm |  34 +++++-
 guix/scripts/system.scm       |  24 +++-
 7 files changed, 282 insertions(+), 120 deletions(-)