nixos/resilio: add package option (#346427)

Author: pbsds

nixos/modules/services/networking/resilio.nix

@@ -5,8 +5,6 @@ with lib;
 let
   cfg = config.services.resilio;
 
-  resilioSync = pkgs.resilio-sync;
-
   sharedFoldersRecord = map (entry: {
     dir = entry.directory;
 
@@ -83,6 +81,8 @@ in
         '';
       };
 
+      package = mkPackageOption pkgs "resilio-sync" { };
+
       deviceName = mkOption {
         type = types.str;
         example = "Voltron";
@@ -285,7 +285,7 @@ in
         RuntimeDirectory = "rslsync";
         ExecStartPre = "${createConfig}/bin/create-resilio-config";
         ExecStart = ''
-          ${resilioSync}/bin/rslsync --nodaemon --config ${runConfigPath}
+          ${lib.getExe cfg.package} --nodaemon --config ${runConfigPath}
         '';
       };
     };