Add package.nix and cleanup build process

flake.lock

@@ -0,0 +1,27 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1783148766,
+        "narHash": "sha256-uslt2pqShTIXDdAHRHv2QkYLsVdY8Oqwz0EA48/RSM8=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "a50de1b7d8a586adc18d2395c19de7d6058e6030",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-26.05",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -1,7 +1,7 @@
 {
   description = "kutu wm environment";
 
-  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-26.05";
 
   outputs = { self, nixpkgs }:
   let
@@ -12,17 +12,22 @@
   in {
     devShells.${system}.default = pkgs.mkShell {
       packages = with pkgs; [
-        ruby
+        (ruby.withPackages (ps: [
+          ps.ffi
+        ]))
         gcc
         pkg-config
 
         xorg.libxcb
         xorg.xcbutilwm
+        xorg.xrandr
+        xorg.xprop
       ];
 
       shellHook = ''
         echo "kutu dev shell"
       '';
     };
+    packages.${system}.default = pkgs.callPackage ./package.nix {};
   };
 }

package.nix

@@ -0,0 +1,54 @@
+{ stdenv
+, ruby
+, makeWrapper
+, pkg-config
+, xorg
+, rubyPackages
+, gcc
+, lib
+}:
+
+stdenv.mkDerivation {
+  pname = "kutu";
+  version = "0.1.0";
+
+  src = ./.;
+
+  nativeBuildInputs = [
+    pkg-config
+    makeWrapper
+    gcc
+  ];
+
+  buildInputs = [
+    (ruby.withPackages (ps: [
+      ps.ffi
+    ]))
+    xorg.libxcb
+    xorg.xcbutilwm
+    xorg.xrandr
+    xorg.xprop
+  ];
+
+  buildPhase = ''
+    ./setup.sh
+  '';
+
+  installPhase = ''
+    mkdir -p $out/bin
+    mkdir -p $out/build
+    mkdir -p $out/src
+
+    cp bin/kutu.rb $out/bin/kutu.rb
+    cp bin/kutu-run.rb $out/bin/kutu-run.rb
+
+    cp build/X-kutu.so $out/build/
+    cp -r src $out/src
+
+    wrapProgram $out/bin/kutu.rb \
+      --prefix PATH : ${lib.makeBinPath [
+        xorg.xrandr
+        xorg.xprop
+      ]}
+  '';
+}

setup.sh

@@ -28,9 +28,4 @@ for f in "$DIR/bin/"* "$DIR/src/shell/"*; do
   }
 done
 
-if ! command -v kutu.rb >/dev/null 2>&1 || ! command -v kutu-run.rb >/dev/null 2>&1; then
-  echo "Tip: Add $DIR/bin to your PATH to run 'kutu.rb' and 'kutu-run.rb' from anywhere:"
-  echo "export PATH=\"\$PATH:$DIR/bin\""
-fi
-
 echo -e "\e[32mAll done! Build successful.\e[0m"