int pack_refs(unsigned int flags) { int fd; struct pack_refs_cb_data cbdata; memset(&cbdata, 0, sizeof(cbdata)); cbdata.flags = flags; fd = hold_lock_file_for_update(&packed, git_path("packed-refs"), 1); cbdata.refs_file = fdopen(fd, "w"); if (!cbdata.refs_file) die("unable to create ref-pack file structure (%s)", strerror(errno)); /* perhaps other traits later as well */ fprintf(cbdata.refs_file, "# pack-refs with: peeled \n"); for_each_ref(handle_one_ref, &cbdata); if (ferror(cbdata.refs_file)) die("failed to write ref-pack file"); if (fflush(cbdata.refs_file) || fsync(fd) || fclose(cbdata.refs_file)) die("failed to write ref-pack file (%s)", strerror(errno)); /* * Since the lock file was fdopen()'ed and then fclose()'ed above, * assign -1 to the lock file descriptor so that commit_lock_file() * won't try to close() it. */ packed.fd = -1; if (commit_lock_file(&packed) < 0) die("unable to overwrite old ref-pack file (%s)", strerror(errno)); if (cbdata.flags & PACK_REFS_PRUNE) prune_refs(cbdata.ref_to_prune); return 0; }
static int do_fetch(struct transport *transport, struct refspec *refs, int ref_count) { struct string_list existing_refs = { NULL, 0, 0, 0 }; struct string_list_item *peer_item = NULL; struct ref *ref_map; struct ref *rm; int autotags = (transport->remote->fetch_tags == 1); for_each_ref(add_existing, &existing_refs); if (transport->remote->fetch_tags == 2 && tags != TAGS_UNSET) tags = TAGS_SET; if (transport->remote->fetch_tags == -1) tags = TAGS_UNSET; if (!transport->get_refs_list || !transport->fetch) die("Don't know how to fetch from %s", transport->url); /* if not appending, truncate FETCH_HEAD */ if (!append && !dry_run) { int errcode = truncate_fetch_head(); if (errcode) return errcode; } ref_map = get_ref_map(transport, refs, ref_count, tags, &autotags); if (!update_head_ok) check_not_current_branch(ref_map); for (rm = ref_map; rm; rm = rm->next) { if (rm->peer_ref) { peer_item = string_list_lookup(rm->peer_ref->name, &existing_refs); if (peer_item) hashcpy(rm->peer_ref->old_sha1, peer_item->util); } } if (tags == TAGS_DEFAULT && autotags) transport_set_option(transport, TRANS_OPT_FOLLOWTAGS, "1"); if (fetch_refs(transport, ref_map)) { free_refs(ref_map); return 1; } if (prune) prune_refs(transport, ref_map); free_refs(ref_map); /* if neither --no-tags nor --tags was specified, do automated tag * following ... */ if (tags == TAGS_DEFAULT && autotags) { struct ref **tail = &ref_map; ref_map = NULL; find_non_local_tags(transport, &ref_map, &tail); if (ref_map) { transport_set_option(transport, TRANS_OPT_FOLLOWTAGS, NULL); transport_set_option(transport, TRANS_OPT_DEPTH, "0"); fetch_refs(transport, ref_map); } free_refs(ref_map); } return 0; }