Function amend_strbuf_with_trailers

trailer.c:1286–1318

}

int amend_strbuf_with_trailers(struct strbuf *buf,
				const struct strvec *trailer_args)
{
	struct process_trailer_options opts = PROCESS_TRAILER_OPTIONS_INIT;
	LIST_HEAD(new_trailer_head);
	struct strbuf out = STRBUF_INIT;
	size_t i;
	int ret = 0;

	opts.no_divider = 1;

	for (i = 0; i < trailer_args->nr; i++) {
		const char *text = trailer_args->v[i];
		struct new_trailer_item *item;

		if (!*text) {
			ret = error(_("empty --trailer argument"));
			goto out;
		}
		item = xcalloc(1, sizeof(*item));
		item->text = xstrdup(text);
		list_add_tail(&item->list, &new_trailer_head);
	}

	process_trailers(&opts, &new_trailer_head, buf, &out);

	strbuf_swap(buf, &out);
out:
	strbuf_release(&out);
	free_trailers(&new_trailer_head);

	return ret;
}

static int write_file_in_place(const char *path, const struct strbuf *buf)
{