nix-helpers: c3ae1139d7b05285ced0304c2a23b5a5a9898e18

     1: # Standalone copy of Nixpkgs's "lib" attrset: smaller than depending on Nixpkgs!
     2: { nixpkgs-lib-rev ? "01fc4cd75e577ac00e7c50b7e5f16cd9b6d633e8"
     3: , nixpkgs-lib-sha256 ?
     4:   "sha256:10l1ndysycnfwfxrhchvvjdf1lwn7kj8f89cxwzvnf5m5grfdgm4"
     5: , nixpkgs-lib-src ? fetchTarball {
     6:   name = "nixpkgs-lib";
     7:   url = "https://github.com/nix-community/nixpkgs.lib/archive/"
     8:     + nixpkgs-lib-rev + ".tar.gz";
     9:   sha256 = nixpkgs-lib-sha256;
    10: } }:
    11: import "${nixpkgs-lib-src}/lib"