Package for NixOS (#21)

Fix #19

flake.nix

@@ -0,0 +1,18 @@
+{
+  inputs.nixpkgs.url = "github:nixos/nixpkgs/nixos-24.05";
+
+  outputs =
+    { self, nixpkgs }:
+    {
+      packages =
+        nixpkgs.lib.genAttrs
+          [
+            "x86_64-linux"
+            "aarch64-linux"
+          ]
+          (system: rec {
+            bluetui = nixpkgs.legacyPackages.${system}.callPackage ./package.nix { };
+            default = bluetui;
+          });
+    };
+}

package.nix

@@ -0,0 +1,31 @@
+{
+  lib,
+  rustPlatform,
+  pkg-config,
+  dbus,
+}:
+
+let
+  cargo = (lib.importTOML ./Cargo.toml).package;
+in
+rustPlatform.buildRustPackage {
+  pname = cargo.name;
+  version = cargo.version;
+
+  src = ./.;
+
+  cargoLock = {
+    lockFile = ./Cargo.lock;
+  };
+
+  nativeBuildInputs = [ pkg-config ];
+
+  buildInputs = [ dbus ];
+
+  meta = {
+    description = cargo.description;
+    homepage = cargo.homepage;
+    license = lib.licenses.gpl3Only;
+    maintainers = with lib.maintainers; [ samuel-martineau ];
+  };
+}