first go at adding a verbose flag

The idea here is to show what event just started, to help identify long-running events (with bad code we sometimes have crons running for literally hours and it can be tricky to identify the exact event causing the problem).

Author: dsmith4-godaddy

src/Cron_Event_Command.php

@@ -224,6 +224,9 @@ public function schedule( $args, $assoc_args ) {
 	 *
 	 * [--all]
 	 * : Run all hooks.
+         *
+         * [--verbose]
+         * : List event both before and after execution.
 	 *
 	 * ## EXAMPLES
 	 *
@@ -242,7 +245,11 @@ public function run( $args, $assoc_args ) {
 		}
 
 		$executed = 0;
+                $verbose = Utils\get_flag_value( $assoc_args, 'verbose' );
 		foreach ( $events as $event ) {
+                        if ( $verbose ) {
+                                WP_CLI::log( sprintf( "Beginning execution of cron event '%s'.", $event->hook ) );
+                        }
 			$start  = microtime( true );
 			$result = self::run_event( $event );
 			$total  = round( microtime( true ) - $start, 3 );