branch master updated (155db42699 -> 47fe66586e)

[guix-commits]

civodul pushed a change to branch master
in repository guix.

    from 155db42699 gnu: r-ranger: Update to 0.15.1.
     new cfbd3a3965 gnu: pounce: Update to 3.1.
     new b5a35caeeb gnu: Add avfs.
     new 452b2ec593 gnu: tcsh: Fix riscv64 cross-compilation.
     new 11e671c816 gnu: libexif: Update to 0.6.24. [fixes CVE-2020-0198, 
CVE-2020-0452]
     new 730655d56a gnu: janet: Update to 1.27.0.
     new 58769f9273 gnu: rizin: Update to 0.5.2.
     new 57db09aae7 environment: Add '--nesting'.
     new 47fe66586e news: Add entry for 'guix shell --container --nesting'.

The 8 revisions listed above as "new" are entirely new to this
repository and will be described in separate emails.  The revisions
listed as "add" were already present in the repository and have only
been added to this reference.


Summary of changes:
 doc/guix.texi                       | 51 ++++++++++++++++++++++++++++
 etc/news.scm                        | 43 ++++++++++++++++++++++++
 gnu/packages/engineering.scm        | 19 ++++++++---
 gnu/packages/file-systems.scm       | 39 ++++++++++++++++++++++
 gnu/packages/lisp.scm               |  4 +--
 gnu/packages/messaging.scm          |  6 ++--
 gnu/packages/photo.scm              | 17 +++++-----
 gnu/packages/shells.scm             | 18 +++++++++-
 guix/scripts/environment.scm        | 66 ++++++++++++++++++++++++++++++++++---
 guix/scripts/shell.scm              |  2 ++
 tests/guix-environment-container.sh |  9 +++++
 11 files changed, 251 insertions(+), 23 deletions(-)