nix-dev-envs/flake.nix

{
  description = "Generic development environment for my projects";

  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";

  outputs = { self, nixpkgs }:
    let
      # overlays = [
      #   (final: prev:
      #     let
      #       exec = pkg: "${prev.${pkg}}/bin/${pkg}";
      #     in
      #     {
      #       format = prev.writeScriptBin "format" ''
      #         ${exec "nixpkgs-fmt"} **/*.nix
      #       '';
      #       dvt = prev.writeScriptBin "dvt" ''
      #         if [ -z $1 ]; then
      #           echo "no template specified"
      #           exit 1
      #         fi

      #         TEMPLATE=$1

      #         ${exec "nix"} \
      #           --experimental-features 'nix-command flakes' \
      #           flake init \
      #           --template \
      #           "github:the-nix-way/dev-templates#''${TEMPLATE}"
      #       '';
      #       update = prev.writeScriptBin "update" ''
      #         for dir in `ls -d */`; do # Iterate through all the templates
      #           (
      #             cd $dir
      #             ${exec "nix"} flake update # Update flake.lock
      #             ${exec "nix"} flake check  # Make sure things work after the update
      #           )
      #         done
      #       '';
      #     })
      # ];
      supportedSystems = [ "x86_64-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin" ];
      forEachSupportedSystem = f: nixpkgs.lib.genAttrs supportedSystems (system: f {
        pkgs = import nixpkgs { inherit system; config.allowUnfree = true; }; #overlays
      });
    in
    {
      devShells = forEachSupportedSystem ({ pkgs }: {
        terraform = pkgs.mkShell {
          packages = with pkgs; [
            terraform
          ];
        };
        # default = pkgs.mkShell {
        #   packages = with pkgs; [ format update ];
        # };
      });

      # packages = forEachSupportedSystem ({ pkgs }: rec {
      #   default = dvt;
      #   inherit (pkgs) dvt;
      # });
    };

    # //

    # {
    #   templates = {
    #     terraform = {
    #       path = ./terraform;
    #       description = "Terraform development environment";
    #     };
    #   };
    # };
}