Function format_decorations

log-tree.c:340–421

* The caller makes sure there is no funny color before calling. * format_decorations ensures the same after return. */

 * format_decorations ensures the same after return.
 */
void format_decorations(struct strbuf *sb,
			const struct commit *commit,
			enum git_colorbool use_color,
			const struct decoration_options *opts)
{
	const struct name_decoration *decoration;
	const struct name_decoration *current_and_HEAD;
	const char *color_commit, *color_reset;

	const char *prefix = " (";
	const char *suffix = ")";
	const char *separator = ", ";
	const char *pointer = " -> ";
	const char *tag = "tag: ";

	decoration = get_name_decoration(&commit->object);
	if (!decoration)
		return;

	if (opts) {
		if (opts->prefix)
			prefix = opts->prefix;
		if (opts->suffix)
			suffix = opts->suffix;
		if (opts->separator)
			separator = opts->separator;
		if (opts->pointer)
			pointer = opts->pointer;
		if (opts->tag)
			tag = opts->tag;
	}

	color_commit = diff_get_color(use_color, DIFF_COMMIT);
	color_reset = decorate_get_color(use_color, DECORATION_NONE);

	current_and_HEAD = current_pointed_by_HEAD(decoration);
	while (decoration) {
		/*
		 * When both current and HEAD are there, only
		 * show HEAD->current where HEAD would have
		 * appeared, skipping the entry for current.
		 */
		if (decoration != current_and_HEAD) {
			const char *color =
				decorate_get_color(use_color, decoration->type);

			if (*prefix) {
				strbuf_addstr(sb, color_commit);
				strbuf_addstr(sb, prefix);
				strbuf_addstr(sb, color_reset);
			}

			if (*tag && decoration->type == DECORATION_REF_TAG) {
				strbuf_addstr(sb, color);
				strbuf_addstr(sb, tag);
				strbuf_addstr(sb, color_reset);
			}