clight: cleanup

pkgs/applications/misc/clight/default.nix

···
     sha256 = "sha256-IAoz4f4XrX8bgesWL4yLK6m5F+c75WNIMFgKBj+W61Q=";
   };
 
-  # dbus-1.pc has datadir=/etc
-  SESSION_BUS_DIR = "${placeholder "out"}/share/dbus-1/services";
-
-  postPatch = ''
-    sed -i "s@/usr@$out@" CMakeLists.txt
-    sed -i "s@/etc@$out\0@" CMakeLists.txt
-    sed -i "s@pkg_get_variable(SESSION_BUS_DIR.*@set(SESSION_BUS_DIR $SESSION_BUS_DIR)@" CMakeLists.txt
-  '';
-
   nativeBuildInputs = [
     dbus
     cmake
···
     ++ optional withUpower upower;
 
   cmakeFlags = [
-    # bash-completion.pc completionsdir=${bash-completion.out}
+    "-DSESSION_BUS_DIR=${placeholder "out"}/share/dbus-1/services"
     "-DBASH_COMPLETIONS_DIR=${placeholder "out"}/share/bash-completions/completions"
     "-DZSH_COMPLETIONS_DIR=${placeholder "out"}/share/zsh/site-functions"
   ];