Eelco Dolstra 1ba2015450 install-grub: Make more robust against GC'ed system profile entries
Previously this barfed with:

  updating GRUB 2 menu...
  fileparse(): need a valid pathname at /nix/store/zldbbngl0f8g5iv4rslygxwp0dbg1624-install-grub.pl line 391.
  warning: error(s) occured while switching to the new configuration
2015-12-30 15:07:18 +01:00
..
2014-12-04 12:03:10 +01:00