guix system: init: Make sure the target is root-owned.

Suggested by Mark H Weaver <mhw@netris.org>.

* guix/scripts/system.scm (install): Add 'chown' and 'chmod' calls for TARGET
  when running as root, and warn otherwise.
master
Ludovic Courtès 2015-05-23 16:52:17 +02:00
parent 40245ef316
commit 4a35a866be
1 changed files with 10 additions and 0 deletions

View File

@ -145,6 +145,16 @@ When GRUB? is true, install GRUB on DEVICE, using GRUB.CFG."
;; Copy items to the new store.
(copy-closure to-copy target #:log-port log-port)))))
;; Make sure TARGET is root-owned when running as root, but still allow
;; non-root uses (useful for testing.) See
;; <http://lists.gnu.org/archive/html/guix-devel/2015-05/msg00452.html>.
(if (zero? (geteuid))
(chown target 0 0)
(warning (_ "not running as 'root', so \
the ownership of '~a' may be incorrect!~%")
target))
(chmod target #o755)
(let ((os-dir (derivation->output-path os-drv))
(format (lift format %store-monad))
(populate (lift2 populate-root-file-system %store-monad)))