add nix flake (#1)

flake.lock

@@ -0,0 +1,27 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1720957393,
+        "narHash": "sha256-oedh2RwpjEa+TNxhg5Je9Ch6d3W1NKi7DbRO1ziHemA=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "693bc46d169f5af9c992095736e82c3488bf7dbb",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,54 @@
+{
+  description = "Wrapper library for WirePlumber";
+
+  inputs.nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+
+  outputs = {
+    self,
+    nixpkgs,
+  }: let
+    version = builtins.replaceStrings ["\n"] [""] (builtins.readFile ./version);
+    system = "x86_64-linux";
+    pkgs = import nixpkgs {inherit system;};
+
+    nativeBuildInputs = with pkgs; [
+      gobject-introspection
+      meson
+      pkg-config
+      ninja
+      vala
+    ];
+
+    buildInputs = with pkgs; [
+      glib
+      wireplumber
+      # json-glib
+    ];
+  in {
+    packages.${system} = rec {
+      default = wireplumber;
+      wireplumber = pkgs.stdenv.mkDerivation {
+        inherit nativeBuildInputs buildInputs;
+        pname = "astal-wireplumber";
+        version = version;
+        src = ./.;
+        outputs = ["out" "dev"];
+      };
+    };
+
+    devShells.${system} = {
+      default = pkgs.mkShell {
+        inherit nativeBuildInputs buildInputs;
+      };
+      wireplumber = pkgs.mkShell {
+        inherit nativeBuildInputs;
+        buildInputs =
+          buildInputs
+          ++ [
+            self.packages.${system}.default
+            pkgs.gjs
+          ];
+      };
+    };
+  };
+}