Add config option to prevent primary group removal (#405)

common/src/main/java/me/lucko/luckperms/common/commands/impl/generic/parent/ParentRemove.java

@@ -79,7 +79,8 @@ public class ParentRemove extends SharedSubCommand {
         if (holder instanceof User) {
             User user = (User) holder;
 
-            boolean shouldPrevent = (context.isEmpty() || context.has("server", "global")) &&
+            boolean shouldPrevent = plugin.getConfiguration().get(ConfigKeys.PREVENT_PRIMARY_GROUP_REMOVAL) &&
+                    context.isEmpty() &&
                     plugin.getConfiguration().get(ConfigKeys.PRIMARY_GROUP_CALCULATION_METHOD).equals("stored") &&
                     user.getPrimaryGroup().getStoredValue().equalsIgnoreCase(groupName);
 

common/src/main/java/me/lucko/luckperms/common/config/ConfigKeys.java

@@ -166,6 +166,12 @@ public class ConfigKeys {
         }
     }));
 
+    /**
+     * If set to false, the plugin will allow a Users primary group to be removed with the
+     * 'parent remove' command, and will set their primary group back to default.
+     */
+    public static final ConfigKey<Boolean> PREVENT_PRIMARY_GROUP_REMOVAL = BooleanKey.of("prevent-primary-group-removal", true);
+
     /**
      * If the plugin should check for "extra" permissions with users run LP commands
      */