at 17.09-beta 557 B view raw
1let requiredVersion = import ./lib/minver.nix; in 2 3if ! builtins ? nixVersion || builtins.compareVersions requiredVersion builtins.nixVersion == 1 then 4 5 abort '' 6 7 This version of Nixpkgs requires Nix >= ${requiredVersion}, please upgrade: 8 9 - If you are running NixOS, use `nixos-rebuild' to upgrade your system. 10 11 - If you installed Nix using the install script (https://nixos.org/nix/install), 12 it is safe to upgrade by running it again: 13 14 curl https://nixos.org/nix/install | sh 15 '' 16 17else 18 19 import ./pkgs/top-level/impure.nix