Add cmdq as an argument to format_create and add a format for the

command name (will also be used for more later).

cmd-pipe-pane.c

@@ -89,7 +89,7 @@ cmd_pipe_pane_exec(struct cmd *self, struct cmd_q *cmdq)
 	}
 
 	/* Expand the command. */
-	ft = format_create(0);
+	ft = format_create(cmdq, 0);
 	format_defaults(ft, c, s, wl, wp);
 	cmd = format_expand_time(ft, args->argv[0], time(NULL));
 	format_free(ft);