branch master updated (e9f3a80 -> 2386201)

[guix-commits]

civodul pushed a change to branch master
in repository guix.

    from e9f3a80  gnu: linux-libre 4.14: Update to 4.14.251.
     new 0d22fc8  services: shepherd: 'shepherd-service-type' requires 
documentation.
     new 0d04658  utils: Remove 'compressed-output-port'.
     new db0cecd  utils: Support zstd compression via Guile-zstd.
     new d288a4d  publish: Add support for zstd compression.
     new 016299d  substitute: Add zstd support.
     new e28d2cd  doc: Mention optional dependency on Guile-zstd.
     new 2386201  tests: Fix JSON syntax error in 'crate.scm'.

The 7 revisions listed above as "new" are entirely new to this
repository and will be described in separate emails.  The revisions
listed as "add" were already present in the repository and have only
been added to this reference.


Summary of changes:
 doc/guix.texi                  | 27 +++++++++++++++++------
 gnu/services/base.scm          | 32 +++++++++++++++++++--------
 gnu/services/networking.scm    |  6 ++++--
 gnu/services/shepherd.scm      | 14 ++++++------
 gnu/system/install.scm         |  6 ++++--
 gnu/system/linux-container.scm |  7 ++++--
 gnu/system/mapped-devices.scm  |  5 +++--
 guix/scripts/publish.scm       | 31 +++++++++++++++-----------
 guix/scripts/substitute.scm    |  3 +++
 guix/utils.scm                 | 23 +++++++++-----------
 tests/crate.scm                |  2 +-
 tests/guix-system.sh           |  5 +++--
 tests/publish.scm              | 16 ++++++++++++++
 tests/utils.scm                | 49 ++++++++++++++++++++++++++++--------------
 14 files changed, 151 insertions(+), 75 deletions(-)