init nix tooling

Signed-off-by: NotAShelf <raf@notashelf.dev>
Change-Id: I6a6a6964a17ac94c2a40f0fd34f339a965abfc9a

.envrc

@@ -0,0 +1 @@
+use flake

flake.lock

@@ -0,0 +1,26 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1759155593,
+        "narHash": "sha256-potIJyEY7ExgfiMzr44/KBODFednyzRUAE2vs4aThHs=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "13ca7febc86978bdb67c0ae94f568b189ae84eef",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,22 @@
+{
+  description = "Wayland Wallpaper Daemon";
+
+  inputs.nixpkgs.url = "github:NixOS/nixpkgs?ref?nixos-unstable";
+  outputs = {nixpkgs, ...}: let
+    systems = ["x86_64-linux" "aarch64-linux"];
+    forAllSystems = f:
+      builtins.listToAttrs (map (system: {
+          name = system;
+          value = f system;
+        })
+        systems);
+
+    pkgsFor = system: nixpkgs.legacyPackages.${system};
+  in {
+    devShells = forAllSystems (system: let
+      pkgs = pkgsFor system;
+    in {
+      default = pkgs.callPackage ./shell.nix {};
+    });
+  };
+}

shell.nix

@@ -0,0 +1,51 @@
+{pkgs ? import <nixpkgs> {}}:
+pkgs.mkShell {
+  name = "chroma";
+  buildInputs = with pkgs; [
+    gnumake
+
+    # Optional development tools
+    gdb
+    valgrind
+    strace
+
+    # Code formatting and analysis
+    clang-tools # includes clang-format
+    cppcheck
+
+    # Wayland libraries
+    wayland.dev
+    wayland-protocols
+    wayland-scanner
+    libxkbcommon
+
+    # EGL/OpenGL libraries
+    libGL
+    mesa
+
+    # System libraries
+    glibc.dev
+  ];
+
+  nativeBuildInputs = with pkgs; [
+    pkg-config
+  ];
+
+  shellHook = ''
+    echo "Available commands:"
+    echo "  make          - Build the project"
+    echo "  make debug    - Build with debug symbols"
+    echo "  make clean    - Clean build artifacts"
+    echo "  make install  - Install to ~/.local"
+    echo "  make help     - Show all available targets"
+    echo
+    echo "Run 'make check-deps' to verify all dependencies are available."
+    echo
+  '';
+
+  # Environment variables for the build system
+  env = {
+    CHROMA_VERSION = "1.0.0";
+    WAYLAND_DEBUG = 1;
+  };
+}