{ description = "thing: stuff and things"; inputs.nixpkgs.url = "nixpkgs/nixos-22.11"; outputs = { self, nixpkgs }: let supportedSystems = [ "x86_64-linux" "x86_64-darwin" "aarch64-linux" "aarch64-darwin" ]; forAllSystems = nixpkgs.lib.genAttrs supportedSystems; nixpkgsFor = forAllSystems (system: import nixpkgs { inherit system; }); in { packages = forAllSystems (system: let pkgs = nixpkgsFor.${system}; in { thing = pkgs.stdenv.mkDerivation { pname = "thing"; version = "v0.0.0"; src = ./.; buildInputs = with pkgs.perlPackages; [ PerlTidy ]; nativeBuildInputs = with pkgs.perlPackages; [ perl ]; installPhase = '' mkdir -p $out/bin install -t $out/bin thing.pl ''; }; }); defaultPackage = forAllSystems (system: self.packages.${system}.thing); devShells = forAllSystems (system: let pkgs = nixpkgsFor.${system}; in { default = pkgs.mkShell { shellHook = '' PS1='\u@\h:\@; ' echo "Perl `${pkgs.perl}/bin/perl --version`" ''; buildInputs = with pkgs.perlPackages; [ PerlTidy ]; nativeBuildInputs = with pkgs.perlPackages; [ perl ]; }; }); }; }