{ inputs = { nixpkgs.url = "github:NixOS/nixpkgs"; flake-utils.url = "github:numtide/flake-utils"; hello-nix = { url = "git+https://codeberg.org/mhwombat/hello-nix"; flake = false; }; }; outputs = { self, nixpkgs, flake-utils, hello-nix }: flake-utils.lib.eachDefaultSystem (system: let pkgs = import nixpkgs { inherit system; }; in { devShells = rec { default = pkgs.mkShell { shellHook = '' PATH=${hello-nix}:$PATH ''; }; }; } ); }