Merge pull request #4880 from yariplus/patch-9

filter:group.update

src/groups/update.js

@@ -17,6 +17,14 @@ module.exports = function(Groups) {
 				return callback(err || new Error('[[error:no-group]]'));
 			}
 
+			plugins.fireHook('filter:group.update', {
+				groupName: groupName,
+				values: values
+			}, function(err) {
+				if (err) {
+					return callback(err);
+				}
+
 				var payload = {
 					description: values.description || '',
 					icon: values.icon || '',
@@ -67,6 +75,7 @@ module.exports = function(Groups) {
 					callback();
 				});
 			});
+		});
 	};
 
 	function updateVisibility(groupName, hidden, callback) {