branch master updated (099a2c7 -> 8e3a3bc)

[Ludovic Courtès]

civodul pushed a change to branch master
in repository guix.

      from  099a2c7   environment: Use (guix search-paths).
       new  c4e8d51   gnu-maintenance: 'gnu-package?' returns #t for R and for 
GNOME packages.
       new  3691499   search-paths: 'evaluate-search-paths' can be passed a 
list of directories.
       new  fdfa753   search-paths: Define the 'PATH' environment variable.
       new  b9ea6c6   environment: Use 'evaluate-search-paths'.
       new  8e3a3bc   environment: Move iteration outside of 
'for-each-search-path'.

The 5 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/gnu-maintenance.scm     |   17 +++++++++---
 guix/scripts/environment.scm |   61 ++++++++++++++++++++---------------------
 guix/scripts/package.scm     |    3 +-
 guix/search-paths.scm        |   35 +++++++++++++++++++-----
 4 files changed, 73 insertions(+), 43 deletions(-)