nix flake template

flake-template.sh

#/usr/bin/env bash

echo '{
  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
    systems.url = "github:nix-systems/default";
  };

  outputs = {
    systems,
    nixpkgs,
    ...
  } @ inputs: let
    eachSystem = f:
      nixpkgs.lib.genAttrs (import systems) (
        system:
          f nixpkgs.legacyPackages.${system}
      );
  in {
    devShells = eachSystem (pkgs: {
      default = pkgs.mkShell {
        buildInputs = [
          pkgs.nodejs_20
        ];
      };
    });
  };
}' > flake.nix

echo ".direnv" >> .gitignore
echo "use flake" > .envrc

echo "Done! Add your packages to flake.nix and optionally run `direnv allow`."

usage.md

curl -s https://gist.githubusercontent.com/notnmeyer/a89531e91904c74f09582005bdf700ec/raw/f32c459f485a16096645870f525d2da6055e8871/flake-template.sh | bash