snespatcher/flake.nix

{
  description = "SNES Patcher";

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

  outputs =
    { self, nixpkgs }:
    let
      supportedSystems = [
        "x86_64-linux"
        "aarch64-linux"
      ];
      forAllSystems = nixpkgs.lib.genAttrs supportedSystems;
    in
    {
      formatter = forAllSystems (
        system:
        let
          pkgs = nixpkgs.legacyPackages.${system};
        in
        pkgs.nixfmt-rfc-style
      );

      packages = forAllSystems (
        system:
        let
          pkgs = nixpkgs.legacyPackages.${system};
        in
        rec {
          snespatcher = pkgs.rustPlatform.buildRustPackage {
            pname = "snespatcher";
            version = "0.1.0";

            src = pkgs.lib.cleanSourceWith {
              src = ./.;
              filter =
                path: type:
                let
                  name = baseNameOf path;
                in
                !builtins.elem name [
                  ".agents"
                  ".codex"
                  ".git"
                  "target"
                ];
            };

            cargoLock.lockFile = ./Cargo.lock;

            nativeBuildInputs = with pkgs; [
              glib
              pkg-config
              wrapGAppsHook4
            ];

            buildInputs = with pkgs; [
              gtk4
            ];

            postInstall = ''
              install -Dm444 \
                data/com.wyattjmiller.snespatcher.desktop \
                $out/share/applications/com.wyattjmiller.snespatcher.desktop

              install -Dm444 \
                data/com.wyattjmiller.snespatcher.metainfo.xml \
                $out/share/metainfo/com.wyattjmiller.snespatcher.metainfo.xml

              install -Dm444 \
                data/icons/hicolor/scalable/apps/com.wyattjmiller.snespatcher.svg \
                $out/share/icons/hicolor/scalable/apps/com.wyattjmiller.snespatcher.svg
            '';

            meta = {
              description = "GTK 4 application for applying IPS patches to SNES ROMs";
              homepage = "https://scm.wyattjmiller.com/wymiller/snespatcher";
              license = pkgs.lib.licenses.mpl20;
              mainProgram = "snespatcher";
              platforms = pkgs.lib.platforms.linux;
            };
          };

          default = snespatcher;
        }
      );

      devShells = forAllSystems (
        system:
        let
          pkgs = nixpkgs.legacyPackages.${system};
        in
        {
          default = pkgs.mkShell {
            inputsFrom = [ self.packages.${system}.default ];

            packages = with pkgs; [
              cargo
              clippy
              rustc
              rustfmt
              desktop-file-utils
              appstream
            ];
          };
        }
      );
    };
}