
It requires a writable /nix/store to store the build result. Also, wait until we've reached multi-user.target before doing the build, and do a sync at the end to ensure all data to $out is properly written. http://hydra.nixos.org/build/6496716
*** NixOS *** NixOS is a Linux distribution based on the purely functional package management system Nix. More information can be found at http://nixos.org/nixos and in the manual in doc/manual.