branch master updated (f031683 -> b1a505b)

[David Craven]

dvc pushed a change to branch master
in repository guix.

      from  f031683   gnu: Add pcc.
       new  313880c   gnu: e2fsck/static: Only copy e2fsck.
       new  26905ec   file-systems: Refactor check-file-system.
       new  ab4e939   file-systems: Refactor file-system predicates.
       new  f3e44f5   gnu: Add btrfs-progs/static.
       new  b1a505b   system: Add btrfs file system support.

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:
 doc/guix.texi               |    6 +-
 gnu/build/file-systems.scm  |  196 +++++++++++++++++++++++++++++--------------
 gnu/packages/linux.scm      |   53 +++++++++---
 gnu/system/linux-initrd.scm |    6 ++
 gnu/tests/install.scm       |   77 ++++++++++++++++-
 5 files changed, 260 insertions(+), 78 deletions(-)