flake.nix

{
  description = "A very cool CLI tool";

  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
    flake-utils.url = "github:numtide/flake-utils";
    rust-overlay.url = "github:oxalica/rust-overlay";
    crane.url = "github:ipetkov/crane";
  };

  outputs = { self, nixpkgs, flake-utils, rust-overlay, crane }:
    flake-utils.lib.eachDefaultSystem (system:
      let
        pkgs = import nixpkgs {
          inherit system;
          overlays = [ (import rust-overlay) ];
        };

        rustToolchain = pkgs.rust-bin.fromRustupToolchainFile ./rust-toolchain.toml;
        craneLib = (crane.mkLib pkgs).overrideToolchain rustToolchain;

        bootit = craneLib.buildPackage {
          src = craneLib.cleanCargoSource (craneLib.path ./.);
          buildInputs = with pkgs; [
          ] ++ lib.optionals stdenv.isDarwin [
            darwin.apple_sdk.frameworks.Security
          ];
        };
      in
      {
        packages.default = bootit;

        apps.default = flake-utils.lib.mkApp {
          drv = bootit;
        };

        devShells.default = pkgs.mkShell {
          buildInputs = [ rustToolchain pkgs.cargo-edit pkgs.rust-analyzer ];
        };
      });
}