rustybar/flake.nix

{
  description = "sway/i3bar command in Rust";

  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
    utils.url = "github:numtide/flake-utils";
  };

  outputs = { self, nixpkgs, utils }:
    let supportedSystems = [ "x86_64-linux" "aarch64-linux" ];
    in (utils.lib.eachSystem supportedSystems (system:
      let
        pkgs = import nixpkgs { inherit system; };
        inherit (pkgs) lib;
        dbusPaths = lib.makeSearchPathOutput "out" "share/dbus-1/interfaces"
          (with pkgs; [ systemd ]);
      in rec {
        packages.rustybar = with pkgs;
          rustPlatform.buildRustPackage {
            name = "rustybar";
            version = "0.1";
            src = ./.;
            cargoLock.lockFile = ./Cargo.lock;
            doCheck = false;
            nativeBuildInputs = [ pkg-config ];
            buildInputs = [ dbus ];

            DBUS_XML_PATH = dbusPaths;

            meta = with lib; {
              homepage = "https://github.com/mildlyfunctionalgays/rustybar";
              description = "swaybar/i3bar command in Rust";
              maintainers = with maintainers; [ artemist ];
              license = with licenses; [ mit ];
              platforms = supportedSystems;
            };
          };
        defaultPackage = packages.rustybar;

        apps.rustybar = utils.lib.mkApp { drv = packages.rustybar; };
        defaultApp = apps.rustybar;

        devShells.rustybar = with pkgs;
          mkShell {
            packages = [
              pkg-config
              dbus
              libfaketime
              rustPackages.cargo
              rustPackages.rustc
              rustPackages.rustfmt
              rustPackages.clippy
            ];
            DBUS_XML_PATH = dbusPaths;
            RUST_SRC_PATH =
              "${rustPackages.rustPlatform.rustLibSrc}/lib/rustlib";
          };
        devShell = devShells.rustybar;

        formatter = pkgs.nixfmt;
      })) // {
        overlays.default = final: prev: {
          inherit (self.packages.${prev.system}) rustybar;
        };
      };
}