NIXPKG1 http://nixos.org/releases/nixpkgs/nixpkgs-0.12/MANIFEST xf86-video-i810-1.7.4 x86_64-linux /nix/store/80j3iicxzrxg4lhnc8nkrjjwwwr08q0h-xf86-video-i810-1.7.4.drv /nix/store/v1f1x1q0vxiswzjcgfm6zawya22g1v9p-xf86-video-i810-1.7.4