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-rw-r--r--pack-objects.c100
1 files changed, 65 insertions, 35 deletions
diff --git a/pack-objects.c b/pack-objects.c
index 0c9f4c9..8f352aa 100644
--- a/pack-objects.c
+++ b/pack-objects.c
@@ -4,6 +4,7 @@
#include "pack.h"
#include "csum-file.h"
#include <sys/time.h>
+#include <signal.h>
static const char pack_usage[] = "git-pack-objects [-q] [--no-reuse-delta] [--non-empty] [--local] [--incremental] [--window=N] [--depth=N] {--stdout | base-name} < object-list";
@@ -52,6 +53,7 @@ static int nr_objects = 0, nr_alloc = 0;
static const char *base_name;
static unsigned char pack_file_sha1[20];
static int progress = 1;
+static volatile int progress_update = 0;
/*
* The object names in objects array are hashed with this hashtable,
@@ -322,18 +324,38 @@ static void write_pack_file(void)
struct sha1file *f;
unsigned long offset;
struct pack_header hdr;
+ unsigned last_percent = 999;
+ int do_progress = 0;
if (!base_name)
f = sha1fd(1, "<stdout>");
- else
- f = sha1create("%s-%s.%s", base_name, sha1_to_hex(object_list_sha1), "pack");
+ else {
+ f = sha1create("%s-%s.%s", base_name,
+ sha1_to_hex(object_list_sha1), "pack");
+ do_progress = progress;
+ }
+ if (do_progress)
+ fprintf(stderr, "Writing %d objects.\n", nr_objects);
+
hdr.hdr_signature = htonl(PACK_SIGNATURE);
hdr.hdr_version = htonl(PACK_VERSION);
hdr.hdr_entries = htonl(nr_objects);
sha1write(f, &hdr, sizeof(hdr));
offset = sizeof(hdr);
- for (i = 0; i < nr_objects; i++)
+ for (i = 0; i < nr_objects; i++) {
offset = write_one(f, objects + i, offset);
+ if (do_progress) {
+ unsigned percent = written * 100 / nr_objects;
+ if (progress_update || percent != last_percent) {
+ fprintf(stderr, "%4u%% (%u/%u) done\r",
+ percent, written, nr_objects);
+ progress_update = 0;
+ last_percent = percent;
+ }
+ }
+ }
+ if (do_progress)
+ fputc('\n', stderr);
sha1close(f, pack_file_sha1, 1);
}
@@ -661,17 +683,25 @@ static int try_delta(struct unpacked *cur, struct unpacked *old, unsigned max_de
return 0;
}
+static void progress_interval(int signum)
+{
+ signal(SIGALRM, progress_interval);
+ progress_update = 1;
+}
+
static void find_deltas(struct object_entry **list, int window, int depth)
{
int i, idx;
unsigned int array_size = window * sizeof(struct unpacked);
struct unpacked *array = xmalloc(array_size);
- int eye_candy;
+ unsigned processed = 0;
+ unsigned last_percent = 999;
memset(array, 0, array_size);
i = nr_objects;
idx = 0;
- eye_candy = i - (nr_objects / 20);
+ if (progress)
+ fprintf(stderr, "Deltifying %d objects.\n", nr_objects);
while (--i >= 0) {
struct object_entry *entry = list[i];
@@ -680,9 +710,15 @@ static void find_deltas(struct object_entry **list, int window, int depth)
char type[10];
int j;
- if (progress && i <= eye_candy) {
- eye_candy -= nr_objects / 20;
- fputc('.', stderr);
+ processed++;
+ if (progress) {
+ unsigned percent = processed * 100 / nr_objects;
+ if (percent != last_percent || progress_update) {
+ fprintf(stderr, "%4u%% (%u/%u) done\r",
+ percent, processed, nr_objects);
+ progress_update = 0;
+ last_percent = percent;
+ }
}
if (entry->delta)
@@ -714,6 +750,9 @@ static void find_deltas(struct object_entry **list, int window, int depth)
idx = 0;
}
+ if (progress)
+ fputc('\n', stderr);
+
for (i = 0; i < window; ++i)
free(array[i].data);
free(array);
@@ -721,18 +760,10 @@ static void find_deltas(struct object_entry **list, int window, int depth)
static void prepare_pack(int window, int depth)
{
- if (progress)
- fprintf(stderr, "Packing %d objects", nr_objects);
get_object_details();
- if (progress)
- fputc('.', stderr);
-
sorted_by_type = create_sorted_list(type_size_sort);
if (window && depth)
find_deltas(sorted_by_type, window+1, depth);
- if (progress)
- fputc('\n', stderr);
- write_pack_file();
}
static int reuse_cached_pack(unsigned char *sha1, int pack_to_stdout)
@@ -796,10 +827,6 @@ int main(int argc, char **argv)
int window = 10, depth = 10, pack_to_stdout = 0;
struct object_entry **list;
int i;
- struct timeval prev_tv;
- int eye_candy = 0;
- int eye_candy_incr = 500;
-
setup_git_directory();
@@ -856,30 +883,25 @@ int main(int argc, char **argv)
usage(pack_usage);
prepare_packed_git();
+
if (progress) {
+ struct itimerval v;
+ v.it_interval.tv_sec = 1;
+ v.it_interval.tv_usec = 0;
+ v.it_value = v.it_interval;
+ signal(SIGALRM, progress_interval);
+ setitimer(ITIMER_REAL, &v, NULL);
fprintf(stderr, "Generating pack...\n");
- gettimeofday(&prev_tv, NULL);
}
+
while (fgets(line, sizeof(line), stdin) != NULL) {
unsigned int hash;
char *p;
unsigned char sha1[20];
- if (progress && (eye_candy <= nr_objects)) {
+ if (progress_update) {
fprintf(stderr, "Counting objects...%d\r", nr_objects);
- if (eye_candy && (50 <= eye_candy_incr)) {
- struct timeval tv;
- int time_diff;
- gettimeofday(&tv, NULL);
- time_diff = (tv.tv_sec - prev_tv.tv_sec);
- time_diff <<= 10;
- time_diff += (tv.tv_usec - prev_tv.tv_usec);
- if ((1 << 9) < time_diff)
- eye_candy_incr += 50;
- else if (50 < eye_candy_incr)
- eye_candy_incr -= 50;
- }
- eye_candy += eye_candy_incr;
+ progress_update = 0;
}
if (get_sha1_hex(line, sha1))
die("expected sha1, got garbage:\n %s", line);
@@ -911,6 +933,14 @@ int main(int argc, char **argv)
;
else {
prepare_pack(window, depth);
+ if (progress && pack_to_stdout) {
+ /* the other end usually displays progress itself */
+ struct itimerval v = {{0,},};
+ setitimer(ITIMER_REAL, &v, NULL);
+ signal(SIGALRM, SIG_IGN );
+ progress_update = 0;
+ }
+ write_pack_file();
if (!pack_to_stdout) {
write_index_file();
puts(sha1_to_hex(object_list_sha1));