Merge branch 'archwiki'

# Conflicts:
#	skins/ArchLinux.php
#	skins/ArchLinux/archlogo.gif

1 files changed, 29 insertions, 0 deletions

diff --git a/includes/deferred/CallableUpdate.php b/includes/deferred/CallableUpdate.php
new file mode 100644
index 00000000..808626d0
--- /dev/null
+++ b/includes/deferred/CallableUpdate.php
@@ -0,0 +1,29 @@
+<?php
+
+/**
+ * Deferrable Update for closure/callback
+ */
+class MWCallableUpdate implements DeferrableUpdate {
+	/**
+	 * @var Closure|callable
+	 */
+	private $callback;
+
+	/**
+	 * @param callable $callback
+	 * @throws MWException
+	 */
+	public function __construct( $callback ) {
+		if ( !is_callable( $callback ) ) {
+			throw new MWException( 'Not a valid callback/closure!' );
+		}
+		$this->callback = $callback;
+	}
+
+	/**
+	 * Run the update
+	 */
+	public function doUpdate() {
+		call_user_func( $this->callback );
+	}
+}