diff options
Diffstat (limited to 'progress.c')
| -rw-r--r-- | progress.c | 61 |
1 files changed, 48 insertions, 13 deletions
diff --git a/progress.c b/progress.c index 277db8afa2..0063559aab 100644 --- a/progress.c +++ b/progress.c @@ -45,6 +45,19 @@ struct progress { static volatile sig_atomic_t progress_update; +/* + * These are only intended for testing the progress output, i.e. exclusively + * for 'test-tool progress'. + */ +int progress_testing; +uint64_t progress_test_ns = 0; +void progress_test_force_update(void); /* To silence -Wmissing-prototypes */ +void progress_test_force_update(void) +{ + progress_update = 1; +} + + static void progress_interval(int signum) { progress_update = 1; @@ -55,6 +68,9 @@ static void set_progress_signal(void) struct sigaction sa; struct itimerval v; + if (progress_testing) + return; + progress_update = 0; memset(&sa, 0, sizeof(sa)); @@ -72,6 +88,10 @@ static void set_progress_signal(void) static void clear_progress_signal(void) { struct itimerval v = {{0,},}; + + if (progress_testing) + return; + setitimer(ITIMER_REAL, &v, NULL); signal(SIGALRM, SIG_IGN); progress_update = 0; @@ -88,6 +108,7 @@ 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 last_count_len = counters_sb->len; if (progress->delay && (!progress_update || --progress->delay)) return; @@ -115,21 +136,27 @@ static void display(struct progress *progress, uint64_t n, const char *done) 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(); - term_clear_line(); if (progress->split) { - fprintf(stderr, " %s%s", counters_sb->buf, - eol); - } else if (!done && - /* The "+ 2" accounts for the ": ". */ - term_columns() < progress->title_len + - counters_sb->len + 2) { - fprintf(stderr, "%s:\n %s%s", - progress->title, counters_sb->buf, eol); + 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, eol); + fprintf(stderr, "%s: %s%*s", progress->title, + counters_sb->buf, (int) clear_len, eol); } fflush(stderr); } @@ -147,6 +174,14 @@ static void throughput_string(struct strbuf *buf, uint64_t total, strbuf_humanise_rate(buf, rate * 1024); } +static uint64_t progress_getnanotime(struct progress *progress) +{ + if (progress_testing) + return progress->start_ns + progress_test_ns; + else + return getnanotime(); +} + void display_throughput(struct progress *progress, uint64_t total) { struct throughput *tp; @@ -157,7 +192,7 @@ void display_throughput(struct progress *progress, uint64_t total) return; tp = progress->throughput; - now_ns = getnanotime(); + now_ns = progress_getnanotime(progress); if (!tp) { progress->throughput = tp = xcalloc(1, sizeof(*tp)); @@ -289,7 +324,7 @@ void stop_progress_msg(struct progress **p_progress, const char *msg) struct throughput *tp = progress->throughput; if (tp) { - uint64_t now_ns = getnanotime(); + uint64_t now_ns = progress_getnanotime(progress); unsigned int misecs, rate; misecs = ((now_ns - progress->start_ns) * 4398) >> 32; rate = tp->curr_total / (misecs ? misecs : 1); |