branch master updated (336afa1 -> 16b92d0)

[guix-commits]

civodul pushed a change to branch master
in repository guix.

      from  336afa1   gnu: wireguard: Update to 0.0.20191212.
       new  55e2161   linux-boot: Don't ignore flags when mounting root file 
system.
       new  12c1afc   serialization: Add 'fold-archive'.
       new  044277f   guix archive: Add '--list'.
       new  4736d06   challenge: Report the best narinfo URI.
       new  1d9a445   serialization: Remove unused procedure.
       new  22f06a2   progress: Add 'progress-report-port'.
       new  5208db3   challenge: Add "--diff".
       new  828a39d   challenge: Support "--diff=diffoscope".
       new  16b92d0   news: Add entry for "guix challenge --diff".

The 9 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               |  60 +++++++++++-
 etc/news.scm                |  10 ++
 gnu/build/linux-boot.scm    |  18 +++-
 guix/progress.scm           |  31 +++++++
 guix/scripts/archive.scm    |  45 ++++++++-
 guix/scripts/challenge.scm  | 220 ++++++++++++++++++++++++++++++++++++++++++--
 guix/scripts/substitute.scm |  36 +-------
 guix/serialization.scm      | 152 +++++++++++++++---------------
 guix/tests/http.scm         |   6 +-
 tests/challenge.scm         |  96 ++++++++++++++++++-
 tests/guix-archive.sh       |   7 +-
 tests/nar.scm               |  74 +++++++++++++++
 12 files changed, 629 insertions(+), 126 deletions(-)