chayang: init at 0.1.0

pkgs/tools/wayland/chayang/default.nix

@@ -0,0 +1,52 @@
+{ lib
+, stdenv
+, fetchFromSourcehut
+, meson
+, ninja
+, pkg-config
+, wayland-scanner
+, wayland-protocols
+, wayland
+}:
+
+stdenv.mkDerivation (finalAttrs: {
+  pname = "chayang";
+  version = "0.1.0";
+
+  src = fetchFromSourcehut {
+    owner = "~emersion";
+    repo = "chayang";
+    rev = "v${finalAttrs.version}";
+    hash = "sha256-3Vu9/Bu2WQe2Yx/2BK25pEpuPNwX6g3qoFUMznCFHeI=";
+  };
+
+  strictDeps = true;
+
+  pkgsBuildBuild = [
+    pkg-config
+  ];
+
+  nativeBuildInputs = [
+    meson
+    ninja
+    pkg-config
+    wayland-scanner
+  ];
+
+  buildInputs = [
+    wayland-protocols
+    wayland
+  ];
+
+  meta = with lib; {
+    description = "Gradually dim the screen on Wayland";
+    homepage = "https://git.sr.ht/~emersion/chayang/";
+    license = licenses.mit;
+    longDescription = ''
+      Gradually dim the screen on Wayland.
+      Can be used to implement a grace period before locking the session.
+    '';
+    maintainers = with maintainers; [ mxkrsv ];
+    platforms = platforms.linux;
+  };
+})

pkgs/top-level/all-packages.nix

@@ -4584,6 +4584,8 @@ with pkgs;
     inherit (darwin.apple_sdk.frameworks) Foundation;
   };
 
+  chayang = callPackage ../tools/wayland/chayang { };
+
   cherrytree = callPackage ../applications/misc/cherrytree { };
 
   chntpw = callPackage ../tools/security/chntpw { };