diff options
| -rwxr-xr-x | git-fetch.sh | 33 | ||||
| -rw-r--r-- | pack-objects.c | 100 | ||||
| -rw-r--r-- | sha1_file.c | 19 |
3 files changed, 100 insertions, 52 deletions
diff --git a/git-fetch.sh b/git-fetch.sh index b4325d9..fcc24f8 100755 --- a/git-fetch.sh +++ b/git-fetch.sh @@ -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 '') ;; ?*) 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)); diff --git a/sha1_file.c b/sha1_file.c index 9cab99a..1fd5b79 100644 --- a/sha1_file.c +++ b/sha1_file.c @@ -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++] = '/'; |