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Merge master to get fixes up to GIT 1.2.3

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This commit is contained in:
Junio C Hamano 2006-02-22 16:38:21 -08:00
commit 597888adc6
4 changed files with 110 additions and 62 deletions
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6
contrib/gitview/gitview
View file

@ -454,11 +454,7 @@ class GitView:
self.bt_sha1 = { }
ls_remote = re.compile('^(.{40})\trefs/([^^]+)(?:\\^(..))?$');
git_dir = os.getenv("GIT_DIR")
if (git_dir == None):
git_dir = ".git"
fp = os.popen('git ls-remote ' + git_dir)
fp = os.popen('git ls-remote "${GIT_DIR-.git}"')
while 1:
line = string.strip(fp.readline())
if line == '':

33
git-fetch.sh
View file

@ -368,20 +368,25 @@ fetch_main "$reflist"
# automated tag following
case "$no_tags$tags" in
'')
taglist=$(IFS=" " &&
git-ls-remote $upload_pack --tags "$remote" |
sed -ne 's|^\([0-9a-f]*\)[ ]\(refs/tags/.*\)^{}$|\1 \2|p' |
while read sha1 name
do
test -f "$GIT_DIR/$name" && continue
git-check-ref-format "$name" || {
echo >&2 "warning: tag ${name} ignored"
continue
}
git-cat-file -t "$sha1" >/dev/null 2>&1 || continue
echo >&2 "Auto-following $name"
echo ".${name}:${name}"
done)
case "$reflist" in
*:refs/*)
# effective only when we are following remote branch
# using local tracking branch.
taglist=$(IFS=" " &&
git-ls-remote $upload_pack --tags "$remote" |
sed -ne 's|^\([0-9a-f]*\)[ ]\(refs/tags/.*\)^{}$|\1 \2|p' |
while read sha1 name
do
test -f "$GIT_DIR/$name" && continue
git-check-ref-format "$name" || {
echo >&2 "warning: tag ${name} ignored"
continue
}
git-cat-file -t "$sha1" >/dev/null 2>&1 || continue
echo >&2 "Auto-following $name"
echo ".${name}:${name}"
done)
esac
case "$taglist" in
'') ;;
?*)

114
pack-objects.c
View file

@ -5,6 +5,7 @@
#include "csum-file.h"
#include "diff.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";
@ -60,6 +61,7 @@ static int nr_objects = 0, nr_alloc = 0, nr_result = 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,
@ -334,20 +336,41 @@ 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
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_result);
hdr.hdr_signature = htonl(PACK_SIGNATURE);
hdr.hdr_version = htonl(PACK_VERSION);
hdr.hdr_entries = htonl(nr_result);
sha1write(f, &hdr, sizeof(hdr));
offset = sizeof(hdr);
for (i = 0; i < nr_objects; i++)
if (!nr_result)
goto done;
for (i = 0; i < nr_objects; i++) {
offset = write_one(f, objects + i, offset);
if (do_progress) {
unsigned percent = written * 100 / nr_result;
if (progress_update || percent != last_percent) {
fprintf(stderr, "%4u%% (%u/%u) done\r",
percent, written, nr_result);
progress_update = 0;
last_percent = percent;
}
}
}
if (do_progress)
fputc('\n', stderr);
done:
sha1close(f, pack_file_sha1, 1);
}
@ -495,6 +518,10 @@ static int add_object_entry(const unsigned char *sha1, const char *name, int exc
}
already_added:
if (progress_update) {
fprintf(stderr, "Counting objects...%d\r", nr_objects);
progress_update = 0;
}
if (exclude)
entry->preferred_base = 1;
else {
@ -799,17 +826,25 @@ 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_result);
while (--i >= 0) {
struct object_entry *entry = list[i];
@ -818,9 +853,17 @@ 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);
if (!entry->preferred_base)
processed++;
if (progress) {
unsigned percent = processed * 100 / nr_result;
if (percent != last_percent || progress_update) {
fprintf(stderr, "%4u%% (%u/%u) done\r",
percent, processed, nr_result);
progress_update = 0;
last_percent = percent;
}
}
if (entry->delta)
@ -852,6 +895,9 @@ 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);
@ -859,18 +905,10 @@ 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_result);
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)
@ -934,10 +972,6 @@ 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();
@ -994,29 +1028,20 @@ 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 char sha1[20];
if (progress && (eye_candy <= nr_objects)) {
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;
}
if (line[0] == '-') {
if (get_sha1_hex(line+1, sha1))
die("expected edge sha1, got garbage:\n %s",
@ -1030,10 +1055,10 @@ int main(int argc, char **argv)
}
if (progress)
fprintf(stderr, "Done counting %d objects.\n", nr_objects);
if (non_empty && !nr_objects)
sorted_by_sha = create_final_object_list();
if (non_empty && !nr_result)
return 0;
sorted_by_sha = create_final_object_list();
SHA1_Init(&ctx);
list = sorted_by_sha;
for (i = 0; i < nr_result; i++) {
@ -1047,7 +1072,16 @@ int main(int argc, char **argv)
if (reuse_cached_pack(object_list_sha1, pack_to_stdout))
;
else {
prepare_pack(window, depth);
if (nr_result)
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));

19
sha1_file.c
View file

@ -247,6 +247,7 @@ static void link_alt_odb_entries(const char *alt, const char *ep, int sep,
for ( ; cp < ep && *cp != sep; cp++)
;
if (last != cp) {
struct stat st;
struct alternate_object_database *alt;
/* 43 = 40-byte + 2 '/' + terminating NUL */
int pfxlen = cp - last;
@ -269,9 +270,19 @@ static void link_alt_odb_entries(const char *alt, const char *ep, int sep,
}
else
memcpy(ent->base, last, pfxlen);
ent->name = ent->base + pfxlen + 1;
ent->base[pfxlen] = ent->base[pfxlen + 3] = '/';
ent->base[entlen-1] = 0;
ent->base[pfxlen + 3] = '/';
ent->base[pfxlen] = ent->base[entlen-1] = 0;
/* Detect cases where alternate disappeared */
if (stat(ent->base, &st) || !S_ISDIR(st.st_mode)) {
error("object directory %s does not exist; "
"check .git/objects/info/alternates.",
ent->base);
goto bad;
}
ent->base[pfxlen] = '/';
/* Prevent the common mistake of listing the same
* thing twice, or object directory itself.
@ -552,7 +563,9 @@ static void prepare_packed_git_one(char *objdir, int local)
len = strlen(path);
dir = opendir(path);
if (!dir) {
fprintf(stderr, "unable to open object pack directory: %s: %s\n", path, strerror(errno));
if (errno != ENOENT)
error("unable to open object pack directory: %s: %s\n",
path, strerror(errno));
return;
}
path[len++] = '/';