* Fix installing from the modular branch.  system/system.nix no longer   exists.  $NIXPKGS needs to be set, otherwise NixOS can't find   Nixpkgs (because in the chroot it's in /mnt/etc/nixos/nixpkgs).   Also clear LANG to shut up Perl warnings about the locale.
* Fix installing from the modular branch.  system/system.nix no longer
  exists.  $NIXPKGS needs to be set, otherwise NixOS can't find
  Nixpkgs (because in the chroot it's in /mnt/etc/nixos/nixpkgs).
  Also clear LANG to shut up Perl warnings about the locale.


git-svn-id: a8013ee9bf6b053da8ea218c5059f3906c3a3af2@15978 70bd8c7a-acb8-0310-9f0d-9cc1c95dcdbb

falsifian/personal_nixos,falsifian/personal_nixos,falsifian/personal_nixos,falsifian/personal_nixos,falsifian/personal_nixos