* Option `--dry-run' to see what's going to be built. * Properly parse the command line arguments before doing anything   (reported by Andres).
* Option `--dry-run' to see what's going to be built.
* Properly parse the command line arguments before doing anything
  (reported by Andres).


git-svn-id: 71c8032c709790ec749031c4215f8515ac00dc5a@12486 70bd8c7a-acb8-0310-9f0d-9cc1c95dcdbb

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