static int fetch_pack(const unsigned char *sha1)
{
struct packed_git *target;
char filename[PATH_MAX];
if (setup_indices())
return -1;
target = find_sha1_pack(sha1, packs);
if (!target)
return error("Couldn't find %s: not separate or in any pack",
sha1_to_hex(sha1));
if (get_verbosely) {
fprintf(stderr, "Getting pack %s\n",
sha1_to_hex(target->sha1));
fprintf(stderr, " which contains %s\n",
sha1_to_hex(sha1));
}
sprintf(filename, "%s/objects/pack/pack-%s.pack",
path, sha1_to_hex(target->sha1));
copy_file(filename, sha1_pack_name(target->sha1),
sha1_to_hex(target->sha1), 1);
sprintf(filename, "%s/objects/pack/pack-%s.idx",
path, sha1_to_hex(target->sha1));
copy_file(filename, sha1_pack_index_name(target->sha1),
sha1_to_hex(target->sha1), 1);
install_packed_git(target);
return 0;
}
static int fetch_pack(struct walker *walker, struct alt_base *repo, unsigned char *sha1)
{
char *url;
struct packed_git *target;
struct packed_git **lst;
FILE *packfile;
char *filename;
char tmpfile[PATH_MAX];
int ret;
long prev_posn = 0;
char range[RANGE_HEADER_SIZE];
struct curl_slist *range_header = NULL;
struct walker_data *data = walker->data;
struct active_request_slot *slot;
struct slot_results results;
if (fetch_indices(walker, repo))
return -1;
target = find_sha1_pack(sha1, repo->packs);
if (!target)
return -1;
if (walker->get_verbosely) {
fprintf(stderr, "Getting pack %s\n",
sha1_to_hex(target->sha1));
fprintf(stderr, " which contains %s\n",
sha1_to_hex(sha1));
}
url = xmalloc(strlen(repo->base) + 65);
sprintf(url, "%s/objects/pack/pack-%s.pack",
repo->base, sha1_to_hex(target->sha1));
filename = sha1_pack_name(target->sha1);
snprintf(tmpfile, sizeof(tmpfile), "%s.temp", filename);
packfile = fopen(tmpfile, "a");
if (!packfile)
return error("Unable to open local file %s for pack",
tmpfile);
slot = get_active_slot();
slot->results = &results;
curl_easy_setopt(slot->curl, CURLOPT_FILE, packfile);
curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite);
curl_easy_setopt(slot->curl, CURLOPT_URL, url);
curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, data->no_pragma_header);
slot->local = packfile;
/* If there is data present from a previous transfer attempt,
resume where it left off */
prev_posn = ftell(packfile);
if (prev_posn>0) {
if (walker->get_verbosely)
fprintf(stderr,
"Resuming fetch of pack %s at byte %ld\n",
sha1_to_hex(target->sha1), prev_posn);
sprintf(range, "Range: bytes=%ld-", prev_posn);
range_header = curl_slist_append(range_header, range);
curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, range_header);
}
if (start_active_slot(slot)) {
run_active_slot(slot);
if (results.curl_result != CURLE_OK) {
fclose(packfile);
return error("Unable to get pack file %s\n%s", url,
curl_errorstr);
}
} else {
fclose(packfile);
return error("Unable to start request");
}
target->pack_size = ftell(packfile);
fclose(packfile);
ret = move_temp_to_file(tmpfile, filename);
if (ret)
return ret;
lst = &repo->packs;
while (*lst != target)
lst = &((*lst)->next);
*lst = (*lst)->next;
if (verify_pack(target))
return -1;
install_packed_git(target);
return 0;
}
