branch master updated (1243aaa -> 015f17e)

[Ludovic Courtès]

civodul pushed a change to branch master
in repository guix.

      from  1243aaa   gnu: crawl: Fix savegame upgrades.
       new  b467121   store: Speed up 'add-to-store'.
       new  015f17e   derivations: Introduce 'read-derivation-from-file'.

The 2 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:
 guix/derivations.scm              | 47 ++++++++++++++++++---------------------
 guix/grafts.scm                   |  2 +-
 guix/scripts/build.scm            |  4 ++--
 guix/scripts/graph.scm            |  8 ++-----
 guix/scripts/offload.scm          |  5 ++---
 guix/scripts/perform-download.scm |  4 ++--
 guix/scripts/publish.scm          |  6 +----
 guix/store.scm                    |  7 +++---
 8 files changed, 36 insertions(+), 47 deletions(-)