re-added system

src/main.c

@@ -493,7 +493,7 @@ run_invoke_hooks(const char *action, struct invoke_list *hook_list)
 
     /* XXX: As an optimization, use exec instead if no shell metachar are
      * used “!$=&|\\`'"^~;<>{}[]()?*#”. */
-    status = RunCmd(hook->command);
+    status = system(hook->command);
     if (status != 0)
       ohshit(_("error executing hook '%s', exit code %d"), hook->command,
              status);