branch master updated (0971f8b -> b6dc083)

[guix-commits]

carl pushed a change to branch master
in repository guix.

      from  0971f8b   gnu: Remove r-biocinstaller.
       new  a655d50   scripts: environment: Only rewrite user-specified 
mappings.
       new  b6dc083   scripts: environment: Add --no-cwd.

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:
 doc/guix.texi                |  8 ++++++
 guix/scripts/environment.scm | 67 ++++++++++++++++++++++++++++----------------
 tests/guix-environment.sh    |  8 ++++++
 3 files changed, 59 insertions(+), 24 deletions(-)