struct bundle_transport_data {
int fd;
struct bundle_header header;
+ unsigned get_refs_from_bundle_called : 1;
};
static struct ref *get_refs_from_bundle(struct transport *transport,
if (for_push)
return NULL;
+ data->get_refs_from_bundle_called = 1;
+
if (data->fd > 0)
close(data->fd);
data->fd = read_bundle_header(transport->url, &data->header);
int nr_heads, struct ref **to_fetch)
{
struct bundle_transport_data *data = transport->data;
- return unbundle(&data->header, data->fd,
+
+ if (!data->get_refs_from_bundle_called)
+ get_refs_from_bundle(transport, 0, NULL);
+ return unbundle(the_repository, &data->header, data->fd,
transport->progress ? BUNDLE_VERBOSE : 0);
}
opts->no_dependents = !!value;
return 0;
} else if (!strcmp(name, TRANS_OPT_LIST_OBJECTS_FILTER)) {
+ list_objects_filter_die_if_populated(&opts->filter_options);
parse_list_objects_filter(&opts->filter_options, value);
return 0;
}
return 0;
}
-static struct ref *get_refs_via_connect(struct transport *transport, int for_push,
- const struct argv_array *ref_prefixes)
+static void die_if_server_options(struct transport *transport)
+{
+ if (!transport->server_options || !transport->server_options->nr)
+ return;
+ advise(_("see protocol.version in 'git help config' for more details"));
+ die(_("server options require protocol version 2 or later"));
+}
+
+/*
+ * Obtains the protocol version from the transport and writes it to
+ * transport->data->version, first connecting if not already connected.
+ *
+ * If the protocol version is one that allows skipping the listing of remote
+ * refs, and must_list_refs is 0, the listing of remote refs is skipped and
+ * this function returns NULL. Otherwise, this function returns the list of
+ * remote refs.
+ */
+static struct ref *handshake(struct transport *transport, int for_push,
+ const struct argv_array *ref_prefixes,
+ int must_list_refs)
{
struct git_transport_data *data = transport->data;
struct ref *refs = NULL;
packet_reader_init(&reader, data->fd[0], NULL, 0,
PACKET_READ_CHOMP_NEWLINE |
- PACKET_READ_GENTLE_ON_EOF);
+ PACKET_READ_GENTLE_ON_EOF |
+ PACKET_READ_DIE_ON_ERR_PACKET);
data->version = discover_version(&reader);
switch (data->version) {
case protocol_v2:
- get_remote_refs(data->fd[1], &reader, &refs, for_push,
- ref_prefixes, transport->server_options);
+ if (must_list_refs)
+ get_remote_refs(data->fd[1], &reader, &refs, for_push,
+ ref_prefixes,
+ transport->server_options);
break;
case protocol_v1:
case protocol_v0:
+ die_if_server_options(transport);
get_remote_heads(&reader, &refs,
for_push ? REF_NORMAL : 0,
&data->extra_have,
}
data->got_remote_heads = 1;
+ if (reader.line_peeked)
+ BUG("buffer must be empty at the end of handshake()");
+
return refs;
}
+static struct ref *get_refs_via_connect(struct transport *transport, int for_push,
+ const struct argv_array *ref_prefixes)
+{
+ return handshake(transport, for_push, ref_prefixes, 1);
+}
+
static int fetch_refs_via_pack(struct transport *transport,
int nr_heads, struct ref **to_fetch)
{
int ret = 0;
struct git_transport_data *data = transport->data;
struct ref *refs = NULL;
- char *dest = xstrdup(transport->url);
struct fetch_pack_args args;
struct ref *refs_tmp = NULL;
args.server_options = transport->server_options;
args.negotiation_tips = data->options.negotiation_tips;
- if (!data->got_remote_heads)
- refs_tmp = get_refs_via_connect(transport, 0, NULL);
+ if (!data->got_remote_heads) {
+ int i;
+ int must_list_refs = 0;
+ for (i = 0; i < nr_heads; i++) {
+ if (!to_fetch[i]->exact_oid) {
+ must_list_refs = 1;
+ break;
+ }
+ }
+ refs_tmp = handshake(transport, 0, NULL, must_list_refs);
+ }
switch (data->version) {
case protocol_v2:
- refs = fetch_pack(&args, data->fd, data->conn,
+ refs = fetch_pack(&args, data->fd,
refs_tmp ? refs_tmp : transport->remote_refs,
- dest, to_fetch, nr_heads, &data->shallow,
+ to_fetch, nr_heads, &data->shallow,
&transport->pack_lockfile, data->version);
break;
case protocol_v1:
case protocol_v0:
- refs = fetch_pack(&args, data->fd, data->conn,
+ die_if_server_options(transport);
+ refs = fetch_pack(&args, data->fd,
refs_tmp ? refs_tmp : transport->remote_refs,
- dest, to_fetch, nr_heads, &data->shallow,
+ to_fetch, nr_heads, &data->shallow,
&transport->pack_lockfile, data->version);
break;
case protocol_unknown_version:
free_refs(refs_tmp);
free_refs(refs);
- free(dest);
return ret;
}
proc.argv = argv;
proc.in = -1;
+ proc.trace2_hook_name = "pre-push";
if (start_command(&proc)) {
finish_command(&proc);
return ret;
}
-int transport_push(struct transport *transport,
+int transport_push(struct repository *r,
+ struct transport *transport,
struct refspec *rs, int flags,
unsigned int *reject_reasons)
{
oid_array_append(&commits,
&ref->new_oid);
- if (!push_unpushed_submodules(&commits,
+ if (!push_unpushed_submodules(r,
+ &commits,
transport->remote,
rs,
transport->push_options,
oid_array_append(&commits,
&ref->new_oid);
- if (find_unpushed_submodules(&commits, transport->remote->name,
- &needs_pushing)) {
+ if (find_unpushed_submodules(r,
+ &commits,
+ transport->remote->name,
+ &needs_pushing)) {
oid_array_clear(&commits);
die_with_unpushed_submodules(&needs_pushing);
}
err = push_had_errors(remote_refs);
ret = push_ret | err;
+ if ((flags & TRANSPORT_PUSH_ATOMIC) && err) {
+ struct ref *it;
+ for (it = remote_refs; it; it = it->next)
+ switch (it->status) {
+ case REF_STATUS_NONE:
+ case REF_STATUS_UPTODATE:
+ case REF_STATUS_OK:
+ it->status = REF_STATUS_ATOMIC_PUSH_FAILED;
+ break;
+ default:
+ break;
+ }
+ }
+
if (!quiet || err)
transport_print_push_status(transport->url, remote_refs,
verbose | porcelain, porcelain,
nr_refs++;
if (rm->peer_ref &&
!is_null_oid(&rm->old_oid) &&
- !oidcmp(&rm->peer_ref->old_oid, &rm->old_oid))
+ oideq(&rm->peer_ref->old_oid, &rm->old_oid))
continue;
ALLOC_GROW(heads, nr_heads + 1, nr_alloc);
heads[nr_heads++] = rm;
literal_copy:
return xstrdup(url);
}
-
-static void read_alternate_refs(const char *path,
- alternate_ref_fn *cb,
- void *data)
-{
- struct child_process cmd = CHILD_PROCESS_INIT;
- struct strbuf line = STRBUF_INIT;
- FILE *fh;
-
- cmd.git_cmd = 1;
- argv_array_pushf(&cmd.args, "--git-dir=%s", path);
- argv_array_push(&cmd.args, "for-each-ref");
- argv_array_push(&cmd.args, "--format=%(objectname) %(refname)");
- cmd.env = local_repo_env;
- cmd.out = -1;
-
- if (start_command(&cmd))
- return;
-
- fh = xfdopen(cmd.out, "r");
- while (strbuf_getline_lf(&line, fh) != EOF) {
- struct object_id oid;
-
- if (get_oid_hex(line.buf, &oid) ||
- line.buf[GIT_SHA1_HEXSZ] != ' ') {
- warning(_("invalid line while parsing alternate refs: %s"),
- line.buf);
- break;
- }
-
- cb(line.buf + GIT_SHA1_HEXSZ + 1, &oid, data);
- }
-
- fclose(fh);
- finish_command(&cmd);
-}
-
-struct alternate_refs_data {
- alternate_ref_fn *fn;
- void *data;
-};
-
-static int refs_from_alternate_cb(struct alternate_object_database *e,
- void *data)
-{
- struct strbuf path = STRBUF_INIT;
- size_t base_len;
- struct alternate_refs_data *cb = data;
-
- if (!strbuf_realpath(&path, e->path, 0))
- goto out;
- if (!strbuf_strip_suffix(&path, "/objects"))
- goto out;
- base_len = path.len;
-
- /* Is this a git repository with refs? */
- strbuf_addstr(&path, "/refs");
- if (!is_directory(path.buf))
- goto out;
- strbuf_setlen(&path, base_len);
-
- read_alternate_refs(path.buf, cb->fn, cb->data);
-
-out:
- strbuf_release(&path);
- return 0;
-}
-
-void for_each_alternate_ref(alternate_ref_fn fn, void *data)
-{
- struct alternate_refs_data cb;
- cb.fn = fn;
- cb.data = data;
- foreach_alt_odb(refs_from_alternate_cb, &cb);
-}