nix: add packaging; update devshell

Signed-off-by: NotAShelf <raf@notashelf.dev>
Change-Id: I9f1ddf6dbd141b5a85b4b5a36c2c9a586a6a6964

flake.lock

@@ -2,11 +2,11 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1767428044,
-        "narHash": "sha256-w28Bmw3xM8NIva6RirQxcRE/PajQwGcSCgtrOQmLlE4=",
+        "lastModified": 1768665130,
+        "narHash": "sha256-N9eZwqdrubgKRDICaJ92Q5UMghBR1nbHnokSgZ21EJI=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "6ff4ad3ef7624ff9cddbee962b1d1852e7fa6f40",
+        "rev": "c444f4a39d8efbf5e07d678ffde3e661735e1d7e",
         "type": "github"
       },
       "original": {

flake.nix

@@ -1,7 +1,11 @@
 {
-  description = "Wayland Wallpaper Daemon";
+  description = "Super-fast, lightweight and efficient wallpaper daemon for Wayland compositors";
   inputs.nixpkgs.url = "github:NixOS/nixpkgs?ref?nixos-unstable";
-  outputs = {nixpkgs, ...}: let
+  outputs = {
+    nixpkgs,
+    self,
+    ...
+  }: let
     systems = ["x86_64-linux" "aarch64-linux"];
     forAllSystems = f:
       builtins.listToAttrs (map (system: {
@@ -17,5 +21,12 @@
     in {
       default = pkgs.callPackage ./shell.nix {};
     });
+
+    packages = forAllSystems (system: let
+      pkgs = pkgsFor system;
+    in {
+      chroma = pkgs.callPackage ./nix/package.nix {};
+      default = self.packages.${system}.chroma;
+    });
   };
 }

nix/package.nix

@@ -0,0 +1,65 @@
+{
+  lib,
+  stdenv,
+  wayland,
+  wayland-protocols,
+  wayland-scanner,
+  libxkbcommon,
+  libGL,
+  mesa,
+  glibc,
+  pkg-config,
+}: let
+  fs = lib.fileset;
+  s = ../.;
+in
+  stdenv.mkDerivation {
+    pname = "chroma";
+    version = "1.0.0";
+
+    src = fs.toSource {
+      root = s;
+      fileset = fs.unions [
+        (s + /include)
+        (s + /protocols)
+        (s + /src)
+
+        (s + /Makefile)
+      ];
+    };
+
+    buildInputs = [
+      # Wayland libraries
+      wayland.dev
+      wayland-protocols
+      wayland-scanner
+      libxkbcommon
+
+      # EGL/OpenGL libraries
+      libGL
+      mesa
+
+      # System libraries
+      glibc.dev
+    ];
+
+    nativeBuildInputs = [
+      pkg-config
+    ];
+
+    makeFlags = [
+      "PREFIX=$(out)"
+      "SYSTEMD_DIR=$(out)/lib/systemd/system"
+    ];
+
+    postInstall = ''
+      install -Dm755 ${../chroma.conf.sample} $out/share/chroma.conf.sample
+    '';
+
+    meta = {
+      description = "Super-fast, lightweight and efficient wallpaper daemon for Wayland compositors";
+      license = lib.licenses.mpl20;
+      mainProgram = "chroma";
+      maintainers = with lib.maitainers; [NotAShelf];
+    };
+  }

shell.nix

@@ -27,7 +27,7 @@ pkgs.mkShell {
     glibc.dev
 
     # For Tests
-    (python313.withPackages (ps: with ps; [matplotlib pyplot numpy]))
+    (python313.withPackages (ps: with ps; [matplotlib numpy]))
   ];
 
   nativeBuildInputs = with pkgs; [
@@ -47,8 +47,5 @@ pkgs.mkShell {
   '';
 
   # Environment variables for the build system
-  env = {
-    CHROMA_VERSION = "1.0.0";
-    WAYLAND_DEBUG = 1;
-  };
+  env.WAYLAND_DEBUG = 1;
 }