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

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

cmd-if-shell.c

@@ -86,7 +86,7 @@ cmd_if_shell_exec(struct cmd *self, struct cmd_q *cmdq)
 			cwd = NULL;
 	}
 
-	ft = format_create(0);
+	ft = format_create(cmdq, 0);
 	format_defaults(ft, NULL, s, wl, wp);
 	shellcmd = format_expand(ft, args->argv[0]);
 	format_free(ft);