Store names of vendors only once

lib/modules/rclone.nix

@@ -2,6 +2,9 @@
 let
   cfg = config.programs.rclone;
   targetName = "rclone";
+  owncloudVendor = "owncloud";
+  owncloudName = "Owncloud";
+  nextcloudVendor = "nextcloud";
   mkIfNotNull = value: result: lib.mkIf (value != null) result;
 
   mkSystemdDependencyOption =
@@ -129,9 +132,7 @@ let
         };
       }));
 
-  owncloudName = "Owncloud";
-
-  mkOwncloudProvider = { displayName ? owncloudName, vendor ? "owncloud" }: (
+  mkOwncloudProvider = { displayName ? owncloudName, vendor ? owncloudVendor }: (
     { config, ... }: {
       imports = [
         (mkWebdavProvider { inherit displayName vendor; })
@@ -150,16 +151,16 @@ let
     });
 
   syncProviders = {
-    nextcloud = rec {
+    ${nextcloudVendor} = rec {
       displayName = "Nextcloud";
 
       module = mkOwncloudProvider {
         inherit displayName;
-        vendor = "nextcloud";
+        vendor = nextcloudVendor;
       };
     };
 
-    owncloud = {
+    ${owncloudVendor} = {
       displayName = owncloudName;
       module = mkOwncloudProvider { };
     };