Function format_trailers

trailer.c:1137–1197

}

void format_trailers(const struct process_trailer_options *opts,
		     struct list_head *trailers,
		     struct strbuf *out)
{
	struct strbuf tok = STRBUF_INIT;
	struct strbuf val = STRBUF_INIT;
	size_t origlen = out->len;
	struct list_head *pos;
	struct trailer_item *item;

	list_for_each(pos, trailers) {
		item = list_entry(pos, struct trailer_item, list);
		if (item->token) {
			strbuf_reset(&tok);
			strbuf_addstr(&tok, item->token);
			strbuf_reset(&val);
			strbuf_addstr(&val, item->value);

			/*
			 * Skip key/value pairs where the value was empty. This
			 * can happen from trailers specified without a
			 * separator, like `--trailer "Reviewed-by"` (no
			 * corresponding value).
			 */
			if (opts->trim_empty && !strlen(item->value))
				continue;

			if (!opts->filter || opts->filter(&tok, opts->filter_data)) {
				if (opts->separator && out->len != origlen)
					strbuf_addbuf(out, opts->separator);
				if (!opts->value_only)
					strbuf_addbuf(out, &tok);
				if (!opts->key_only && !opts->value_only) {
					if (opts->key_value_separator)
						strbuf_addbuf(out, opts->key_value_separator);
					else {
						char c = last_non_space_char(tok.buf);
						if (c && !strchr(separators, c))
							strbuf_addf(out, "%c ", separators[0]);
					}
				}
				if (!opts->key_only)
					strbuf_addbuf(out, &val);
				if (!opts->separator)
					strbuf_addch(out, '\n');
			}
		} else if (!opts->only_trailers) {
			if (opts->separator && out->len != origlen) {
				strbuf_addbuf(out, opts->separator);
			}
			strbuf_addstr(out, item->value);
			if (opts->separator)
				strbuf_rtrim(out);
			else
				strbuf_addch(out, '\n');
		}
	}