mirror of
https://github.com/git/git.git
synced 2024-11-24 18:33:43 +08:00
421f9d1685
Signed-off-by: Alex Riesen <raa.lkml@gmail.com> Signed-off-by: Junio C Hamano <junkio@cox.net>
111 lines
2.6 KiB
C
111 lines
2.6 KiB
C
#include "git-compat-util.h"
|
|
#include "progress.h"
|
|
|
|
static volatile sig_atomic_t progress_update;
|
|
|
|
static void progress_interval(int signum)
|
|
{
|
|
progress_update = 1;
|
|
}
|
|
|
|
static void set_progress_signal(void)
|
|
{
|
|
struct sigaction sa;
|
|
struct itimerval v;
|
|
|
|
progress_update = 0;
|
|
|
|
memset(&sa, 0, sizeof(sa));
|
|
sa.sa_handler = progress_interval;
|
|
sigemptyset(&sa.sa_mask);
|
|
sa.sa_flags = SA_RESTART;
|
|
sigaction(SIGALRM, &sa, NULL);
|
|
|
|
v.it_interval.tv_sec = 1;
|
|
v.it_interval.tv_usec = 0;
|
|
v.it_value = v.it_interval;
|
|
setitimer(ITIMER_REAL, &v, NULL);
|
|
}
|
|
|
|
static void clear_progress_signal(void)
|
|
{
|
|
struct itimerval v = {{0,},};
|
|
setitimer(ITIMER_REAL, &v, NULL);
|
|
signal(SIGALRM, SIG_IGN);
|
|
progress_update = 0;
|
|
}
|
|
|
|
int display_progress(struct progress *progress, unsigned n)
|
|
{
|
|
if (progress->delay) {
|
|
char buf[80];
|
|
if (!progress_update || --progress->delay)
|
|
return 0;
|
|
if (progress->total) {
|
|
unsigned percent = n * 100 / progress->total;
|
|
if (percent > progress->delayed_percent_treshold) {
|
|
/* inhibit this progress report entirely */
|
|
clear_progress_signal();
|
|
progress->delay = -1;
|
|
progress->total = 0;
|
|
return 0;
|
|
}
|
|
}
|
|
if (snprintf(buf, sizeof(buf),
|
|
progress->delayed_title, progress->total))
|
|
fprintf(stderr, "%s\n", buf);
|
|
}
|
|
if (progress->total) {
|
|
unsigned percent = n * 100 / progress->total;
|
|
if (percent != progress->last_percent || progress_update) {
|
|
progress->last_percent = percent;
|
|
fprintf(stderr, "%s%4u%% (%u/%u) done\r",
|
|
progress->prefix, percent, n, progress->total);
|
|
progress_update = 0;
|
|
progress->need_lf = 1;
|
|
return 1;
|
|
}
|
|
} else if (progress_update) {
|
|
fprintf(stderr, "%s%u\r", progress->prefix, n);
|
|
progress_update = 0;
|
|
progress->need_lf = 1;
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void start_progress(struct progress *progress, const char *title,
|
|
const char *prefix, unsigned total)
|
|
{
|
|
char buf[80];
|
|
progress->prefix = prefix;
|
|
progress->total = total;
|
|
progress->last_percent = -1;
|
|
progress->delay = 0;
|
|
progress->need_lf = 0;
|
|
if (snprintf(buf, sizeof(buf), title, total))
|
|
fprintf(stderr, "%s\n", buf);
|
|
set_progress_signal();
|
|
}
|
|
|
|
void start_progress_delay(struct progress *progress, const char *title,
|
|
const char *prefix, unsigned total,
|
|
unsigned percent_treshold, unsigned delay)
|
|
{
|
|
progress->prefix = prefix;
|
|
progress->total = total;
|
|
progress->last_percent = -1;
|
|
progress->delayed_percent_treshold = percent_treshold;
|
|
progress->delayed_title = title;
|
|
progress->delay = delay;
|
|
progress->need_lf = 0;
|
|
set_progress_signal();
|
|
}
|
|
|
|
void stop_progress(struct progress *progress)
|
|
{
|
|
clear_progress_signal();
|
|
if (progress->need_lf)
|
|
fputc('\n', stderr);
|
|
}
|