Function apply_command

trailer.c:218–251

}

static char *apply_command(struct conf_info *conf, const char *arg)
{
	struct strbuf cmd = STRBUF_INIT;
	struct strbuf buf = STRBUF_INIT;
	struct child_process cp = CHILD_PROCESS_INIT;
	char *result;

	if (conf->cmd) {
		strbuf_addstr(&cmd, conf->cmd);
		strvec_push(&cp.args, cmd.buf);
		if (arg)
			strvec_push(&cp.args, arg);
	} else if (conf->command) {
		strbuf_addstr(&cmd, conf->command);
		if (arg)
			strbuf_replace(&cmd, TRAILER_ARG_STRING, arg);
		strvec_push(&cp.args, cmd.buf);
	}
	strvec_pushv(&cp.env, (const char **)local_repo_env);
	cp.no_stdin = 1;
	cp.use_shell = 1;

	if (capture_command(&cp, &buf, 1024)) {
		error(_("running trailer command '%s' failed"), cmd.buf);
		strbuf_release(&buf);
		result = xstrdup("");
	} else {
		strbuf_trim(&buf);
		result = strbuf_detach(&buf, NULL);
	}

	strbuf_release(&cmd);
	return result;
}

static void apply_item_command(struct trailer_item *in_tok, struct arg_item *arg_tok)
{