system: Support the --root option in 'guix system'.
authorChris Marusich <cmmarusich@gmail.com>
Tue, 4 Apr 2017 06:49:22 +0000 (23:49 -0700)
committerLudovic Courtès <ludo@gnu.org>
Thu, 6 Apr 2017 08:24:32 +0000 (10:24 +0200)
commit5ea69d9a563fa1e2890c94fe9574c7e16f778f3b
tree85f1513506778ad6faa978967fb63e4130ead4ca
parenta09b45da6fe951112eb30da5feb0f86266f8ba8a
system: Support the --root option in 'guix system'.

Fixes <https://bugs.gnu.org/26271>.

* guix/scripts/system.scm (perform-action): Add #:gc-root parameter and
honor it.
(show-help): Document the --root option.
(%options): Add 'root'.
(process-action): Pass 'root' option to perform-action as #:gc-root.
* doc/guix.texi (Invoking guix system): Document '--root'.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>
doc/guix.texi
guix/scripts/system.scm