Add xss-lock

pkgs/misc/screensavers/xss-lock/default.nix

@@ -0,0 +1,26 @@
+{ stdenv, fetchgit, cmake, docutils, pkgconfig, glib, libpthreadstubs
+, libXau, libXdmcp, xcbutil }:
+
+stdenv.mkDerivation {
+  name = "xss-lock-git";
+
+  src = fetchgit {
+    url = https://bitbucket.org/raymonad/xss-lock.git;
+    rev = "d75612f1d1eea64b5c43806eea88059340a08ca9";
+    sha256 = "4d57bcfd45287b5b068f45eeceb9e43d975806a038a4c586b141da5d99b3e48b";
+  };
+
+  buildInputs = [ cmake pkgconfig docutils glib libpthreadstubs libXau
+                  libXdmcp xcbutil ];
+
+  cmakeFlags = [
+    "-DCMAKE_BUILD_TYPE=Release"
+  ];
+
+  meta = with stdenv.lib; {
+    description = "Use external locker (such as i3lock) as X screen saver";
+    license = licenses.mit;
+    maintainers = with maintainers; [ malyn ];
+    platforms = platforms.linux;
+  };
+}

pkgs/top-level/all-packages.nix

@@ -11834,6 +11834,8 @@ let
     inherit (gnome) libglade;
   };
 
+  xss-lock = callPackage ../misc/screensavers/xss-lock { };
+
   xsynth_dssi = callPackage ../applications/audio/xsynth-dssi { };
 
   xterm = callPackage ../applications/misc/xterm { };