Function display

progress.c:112–173

}

static void display(struct progress *progress, uint64_t n, const char *done)
{
	const char *tp;
	struct strbuf *counters_sb = &progress->counters_sb;
	int show_update = 0;
	int update = !!progress_update;
	int last_count_len = counters_sb->len;

	progress_update = 0;

	if (progress->delay && (!update || --progress->delay))
		return;

	progress->last_value = n;
	tp = (progress->throughput) ? progress->throughput->display.buf : "";
	if (progress->total) {
		unsigned percent = n * 100 / progress->total;
		if (percent != progress->last_percent || update) {
			progress->last_percent = percent;

			strbuf_reset(counters_sb);
			strbuf_addf(counters_sb,
				    "%3u%% (%"PRIuMAX"/%"PRIuMAX")%s", percent,
				    (uintmax_t)n, (uintmax_t)progress->total,
				    tp);
			show_update = 1;
		}
	} else if (update) {
		strbuf_reset(counters_sb);
		strbuf_addf(counters_sb, "%"PRIuMAX"%s", (uintmax_t)n, tp);
		show_update = 1;
	}

	if (show_update) {
		if (is_foreground_fd(fileno(stderr)) || done) {
			const char *eol = done ? done : "\r";
			size_t clear_len = counters_sb->len < last_count_len ?
					last_count_len - counters_sb->len + 1 :
					0;
			/* The "+ 2" accounts for the ": ". */
			size_t progress_line_len = progress->title_len +
						counters_sb->len + 2;
			int cols = term_columns();

			if (progress->split) {
				fprintf(stderr, "  %s%*s", counters_sb->buf,
					(int) clear_len, eol);
			} else if (!done && cols < progress_line_len) {
				clear_len = progress->title_len + 1 < cols ?
					    cols - progress->title_len - 1 : 0;
				fprintf(stderr, "%s:%*s\n  %s%s",
					progress->title, (int) clear_len, "",
					counters_sb->buf, eol);
				progress->split = 1;
			} else {
				fprintf(stderr, "%s: %s%*s", progress->title,
					counters_sb->buf, (int) clear_len, eol);
			}