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 void start_fetch_packed(struct transfer_request *request)
{
struct packed_git *target;
struct transfer_request *check_request = request_queue_head;
struct http_pack_request *preq;
target = find_sha1_pack(request->obj->oid.hash, repo->packs);
if (!target) {
fprintf(stderr, "Unable to fetch %s, will not be able to update server info refs\n", oid_to_hex(&request->obj->oid));
repo->can_update_info_refs = 0;
release_request(request);
return;
}
fprintf(stderr, "Fetching pack %s\n", sha1_to_hex(target->sha1));
fprintf(stderr, " which contains %s\n", oid_to_hex(&request->obj->oid));
preq = new_http_pack_request(target, repo->url);
if (preq == NULL) {
repo->can_update_info_refs = 0;
return;
}
preq->lst = &repo->packs;
/* Make sure there isn't another open request for this pack */
while (check_request) {
if (check_request->state == RUN_FETCH_PACKED &&
!strcmp(check_request->url, preq->url)) {
release_http_pack_request(preq);
release_request(request);
return;
}
check_request = check_request->next;
}
preq->slot->callback_func = process_response;
preq->slot->callback_data = request;
request->slot = preq->slot;
request->userData = preq;
/* Try to get the request started, abort the request on error */
request->state = RUN_FETCH_PACKED;
if (!start_active_slot(preq->slot)) {
fprintf(stderr, "Unable to start GET request\n");
release_http_pack_request(preq);
repo->can_update_info_refs = 0;
release_request(request);
}
}
static int http_fetch_pack(struct walker *walker, struct alt_base *repo, unsigned char *sha1)
{
struct packed_git *target;
int ret;
struct slot_results results;
struct http_pack_request *preq;
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));
}
preq = new_http_pack_request(target, repo->base);
if (preq == NULL)
goto abort;
preq->lst = &repo->packs;
preq->slot->results = &results;
if (start_active_slot(preq->slot)) {
run_active_slot(preq->slot);
if (results.curl_result != CURLE_OK) {
error("Unable to get pack file %s\n%s", preq->url,
curl_errorstr);
goto abort;
}
} else {
error("Unable to start request");
goto abort;
}
ret = finish_http_pack_request(preq);
release_http_pack_request(preq);
if (ret)
return ret;
return 0;
abort:
return -1;
}
static int add_send_request(struct object *obj, struct remote_lock *lock)
{
struct transfer_request *request;
struct packed_git *target;
/* Keep locks active */
check_locks();
/*
* Don't push the object if it's known to exist on the remote
* or is already in the request queue
*/
if (remote_dir_exists[obj->oid.hash[0]] == -1)
get_remote_object_list(obj->oid.hash[0]);
if (obj->flags & (REMOTE | PUSHING))
return 0;
target = find_sha1_pack(obj->oid.hash, repo->packs);
if (target) {
obj->flags |= REMOTE;
return 0;
}
obj->flags |= PUSHING;
request = xmalloc(sizeof(*request));
request->obj = obj;
request->url = NULL;
request->lock = lock;
request->headers = NULL;
request->state = NEED_PUSH;
request->next = request_queue_head;
request_queue_head = request;
#ifdef USE_CURL_MULTI
fill_active_slots();
step_active_slots();
#endif
return 1;
}
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;
}