add nix tooling

.gitignore

@@ -1,5 +1 @@
-# User
-*.user
-
-# Build directory
-build/
+result

flake.lock

@@ -0,0 +1,26 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1712604496,
+        "narHash": "sha256-Ye1R+k60uo0B3mn5xwsgb0PzceSg9y0E2OMYQnizLD0=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "ed6db4c403cc2fc4924d24e1a2a2f148c6152620",
+        "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "ref": "nixpkgs-unstable",
+        "type": "indirect"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,27 @@
+{
+  description = "Gio wrapper for Qt6 applications";
+
+  inputs.nixpkgs.url = "nixpkgs/nixpkgs-unstable";
+
+  outputs = {
+    nixpkgs,
+    self,
+    ...
+  }: let
+    systems = [
+      "x86_64-linux"
+      "aarch64-linux"
+    ];
+
+    forAllSystems = f: nixpkgs.lib.genAttrs systems (system: f system);
+  in {
+    packages = forAllSystems (system: let
+      pkgs = nixpkgs.legacyPackages.${system};
+      gio-qt6-pkg = (pkgs.qt6Packages.callPackage ./nix/package.nix {});
+    in {
+      gio-qt6 = gio-qt6-pkg;
+      default = gio-qt6-pkg;
+    });
+  };
+}
+

nix/package.nix

@@ -0,0 +1,39 @@
+{ stdenv
+, lib
+, fetchFromGitHub
+, cmake
+, pkg-config
+, glibmm
+, doxygen
+, qt6
+, buildDocs ? true
+}:
+
+stdenv.mkDerivation rec {
+  pname = "gio-qt6";
+  version = "0.1.0";
+
+  src = lib.cleanSource ../.; 
+
+  nativeBuildInputs = [
+    cmake
+    pkg-config
+    qt6.wrapQtAppsHook
+  ] ++ lib.optionals buildDocs [ doxygen qt6.qttools.dev ];
+
+  cmakeFlags = [
+    "-DCMAKE_INSTALL_LIBDIR=lib"
+    "-DPROJECT_VERSION=${version}"
+    "-DBUILD_DOCS=OFF"
+  ]  ++ lib.optionals (!buildDocs) [ "-DBUILD_DOCS=OFF" ];
+
+  propagatedBuildInputs = [ glibmm ];
+
+  meta = with lib; {
+    description = "Gio wrapper for Qt6 applications";
+    homepage = "https://git.grimmauld.de/Grimmauld/gio-qt";
+    license = licenses.lgpl3Plus;
+    platforms = platforms.linux;
+    maintainers = with maintainers; [grimmauld];
+  };
+}