branch master updated (6d18427 -> b13b938)

[guix-commits]

civodul pushed a change to branch master
in repository guix.

      from  6d18427   gnu: postgis: Update to 2.4.8.
       new  cf7648f   derivations: Introduce 'imported+compiled-modules'.
       new  f726f6f   derivations: 'build-expression->derivation' caches its 
module derivations.
       new  f58b453   gexp: Add 'imported+compiled-modules'.
       new  c57e417   store: Allow objects in the cache to be inserted and 
search for with 'equal?'.
       new  f5fca9a   gexp: Cache the module to derivation mappings.
       new  d727a93   derivations: Don't memoize 'derivation->bytevector'.
       new  5166d02   gnu: bootstrap: 'bootstrap-origin' preserves eq?-ness 
when no changes are made.
       new  ac19950   gnu: bootstrap: Cache the 'bootstrap-executable' origins.
       new  b74ed90   channels: Refer to 'guile-json-3'.
       new  49af34c   pull: Honor '/etc/guix/channels.scm'.
       new  b13b938   news: Add entry for /etc/guix/channels.scm.

The 11 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              | 18 ++++++++++++-
 etc/news.scm               | 16 +++++++++++
 gnu/packages/bootstrap.scm | 34 ++++++++++++-----------
 guix/channels.scm          |  2 +-
 guix/derivations.scm       | 37 ++++++++++++++++++-------
 guix/gexp.scm              | 48 +++++++++++++++++++++++----------
 guix/scripts/pull.scm      |  5 ++++
 guix/store.scm             | 67 +++++++++++++++++++++++++++++-----------------
 8 files changed, 163 insertions(+), 64 deletions(-)