redshift: respect xserver.display variable

anderspapitto · anderspapitto · commit 54fa0cfe4eef · 2016-07-05T19:18:00.000-07:00
diff --git a/nixos/modules/services/x11/redshift.nix b/nixos/modules/services/x11/redshift.nix
@@ -108,7 +108,7 @@ in {
         RestartSec = 3;
         Restart = "always";
       };
-      environment = { DISPLAY = ":0"; };
+      environment = { DISPLAY = ":${toString config.services.xserver.display}"; };
     };
   };
 
