branch master updated (0009ed7 -> c06d140)

[Ludovic Courtès]

civodul pushed a change to branch master
in repository guix.

      from  0009ed7   gnu: qt: Add more inputs.
       new  d326767   Add (guix sets).
       new  ed3592a   derivations: Use sets for 'derivations-prerequisites'.
       new  c06d140   derivations: Use a set for 'substitution-oracle'.

The 3 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:
 Makefile.am          |    4 +-
 guix/derivations.scm |   25 ++++++-----
 guix/sets.scm        |  116 ++++++++++++++++++++++++++++++++++++++++++++++++++
 tests/sets.scm       |   52 ++++++++++++++++++++++
 4 files changed, 185 insertions(+), 12 deletions(-)
 create mode 100644 guix/sets.scm
 create mode 100644 tests/sets.scm