#include "string-list.h"
#include "sha1-array.h"
#include "sigchain.h"
+#include "transport-internal.h"
+#include "protocol.h"
static void set_upstreams(struct transport *transport, struct ref *refs,
int pretend)
struct bundle_header header;
};
-static struct ref *get_refs_from_bundle(struct transport *transport, int for_push)
+static struct ref *get_refs_from_bundle(struct transport *transport,
+ int for_push,
+ const struct argv_array *ref_prefixes)
{
struct bundle_transport_data *data = transport->data;
struct ref *result = NULL;
struct child_process *conn;
int fd[2];
unsigned got_remote_heads : 1;
+ enum protocol_version version;
struct oid_array extra_have;
struct oid_array shallow;
};
return 0;
}
-static struct ref *get_refs_via_connect(struct transport *transport, int for_push)
+static struct ref *get_refs_via_connect(struct transport *transport, int for_push,
+ const struct argv_array *ref_prefixes)
{
struct git_transport_data *data = transport->data;
- struct ref *refs;
+ struct ref *refs = NULL;
+ struct packet_reader reader;
connect_setup(transport, for_push);
- get_remote_heads(data->fd[0], NULL, 0, &refs,
- for_push ? REF_NORMAL : 0,
- &data->extra_have,
- &data->shallow);
+
+ packet_reader_init(&reader, data->fd[0], NULL, 0,
+ PACKET_READ_CHOMP_NEWLINE |
+ PACKET_READ_GENTLE_ON_EOF);
+
+ data->version = discover_version(&reader);
+ switch (data->version) {
+ case protocol_v2:
+ get_remote_refs(data->fd[1], &reader, &refs, for_push,
+ ref_prefixes);
+ break;
+ case protocol_v1:
+ case protocol_v0:
+ get_remote_heads(&reader, &refs,
+ for_push ? REF_NORMAL : 0,
+ &data->extra_have,
+ &data->shallow);
+ break;
+ case protocol_unknown_version:
+ BUG("unknown protocol version");
+ }
data->got_remote_heads = 1;
return refs;
{
int ret = 0;
struct git_transport_data *data = transport->data;
- struct ref *refs;
+ struct ref *refs = NULL;
char *dest = xstrdup(transport->url);
struct fetch_pack_args args;
struct ref *refs_tmp = NULL;
args.cloning = transport->cloning;
args.update_shallow = data->options.update_shallow;
- if (!data->got_remote_heads) {
- connect_setup(transport, 0);
- get_remote_heads(data->fd[0], NULL, 0, &refs_tmp, 0,
- NULL, &data->shallow);
- data->got_remote_heads = 1;
+ if (!data->got_remote_heads)
+ refs_tmp = get_refs_via_connect(transport, 0, NULL);
+
+ switch (data->version) {
+ case protocol_v2:
+ die("support for protocol v2 not implemented yet");
+ break;
+ case protocol_v1:
+ case protocol_v0:
+ refs = fetch_pack(&args, data->fd, data->conn,
+ refs_tmp ? refs_tmp : transport->remote_refs,
+ dest, to_fetch, nr_heads, &data->shallow,
+ &transport->pack_lockfile);
+ break;
+ case protocol_unknown_version:
+ BUG("unknown protocol version");
}
- refs = fetch_pack(&args, data->fd, data->conn,
- refs_tmp ? refs_tmp : transport->remote_refs,
- dest, to_fetch, nr_heads, &data->shallow,
- &transport->pack_lockfile);
close(data->fd[0]);
close(data->fd[1]);
if (finish_connect(data->conn))
if (ref->deletion) {
delete_ref(NULL, rs.dst, NULL, 0);
} else
- update_ref("update by push", rs.dst,
- ref->new_oid.hash, NULL, 0, 0);
+ update_ref("update by push", rs.dst, &ref->new_oid,
+ NULL, 0, 0);
free(rs.dst);
}
}
{
struct git_transport_data *data = transport->data;
struct send_pack_args args;
- int ret;
-
- if (!data->got_remote_heads) {
- struct ref *tmp_refs;
- connect_setup(transport, 1);
+ int ret = 0;
- get_remote_heads(data->fd[0], NULL, 0, &tmp_refs, REF_NORMAL,
- NULL, &data->shallow);
- data->got_remote_heads = 1;
- }
+ if (!data->got_remote_heads)
+ get_refs_via_connect(transport, 1, NULL);
memset(&args, 0, sizeof(args));
args.send_mirror = !!(flags & TRANSPORT_PUSH_MIRROR);
else
args.push_cert = SEND_PACK_PUSH_CERT_NEVER;
- ret = send_pack(&args, data->fd, data->conn, remote_refs,
- &data->extra_have);
+ switch (data->version) {
+ case protocol_v2:
+ die("support for protocol v2 not implemented yet");
+ break;
+ case protocol_v1:
+ case protocol_v0:
+ ret = send_pack(&args, data->fd, data->conn, remote_refs,
+ &data->extra_have);
+ break;
+ case protocol_unknown_version:
+ BUG("unknown protocol version");
+ }
close(data->fd[1]);
close(data->fd[0]);
return 0;
}
+static struct transport_vtable taken_over_vtable = {
+ NULL,
+ get_refs_via_connect,
+ fetch_refs_via_pack,
+ git_transport_push,
+ NULL,
+ disconnect_git
+};
+
void transport_take_over(struct transport *transport,
struct child_process *child)
{
data->got_remote_heads = 0;
transport->data = data;
- transport->set_option = NULL;
- transport->get_refs_list = get_refs_via_connect;
- transport->fetch = fetch_refs_via_pack;
- transport->push_refs = git_transport_push;
- transport->disconnect = disconnect_git;
+ transport->vtable = &taken_over_vtable;
transport->smart_options = &(data->options);
transport->cannot_reuse = 1;
die("transport '%s' not allowed", type);
}
+static struct transport_vtable bundle_vtable = {
+ NULL,
+ get_refs_from_bundle,
+ fetch_refs_from_bundle,
+ NULL,
+ NULL,
+ close_bundle
+};
+
+static struct transport_vtable builtin_smart_vtable = {
+ NULL,
+ get_refs_via_connect,
+ fetch_refs_via_pack,
+ git_transport_push,
+ connect_git,
+ disconnect_git
+};
+
struct transport *transport_get(struct remote *remote, const char *url)
{
const char *helper;
struct bundle_transport_data *data = xcalloc(1, sizeof(*data));
transport_check_allowed("file");
ret->data = data;
- ret->get_refs_list = get_refs_from_bundle;
- ret->fetch = fetch_refs_from_bundle;
- ret->disconnect = close_bundle;
+ ret->vtable = &bundle_vtable;
ret->smart_options = NULL;
} else if (!is_url(url)
|| starts_with(url, "file://")
*/
struct git_transport_data *data = xcalloc(1, sizeof(*data));
ret->data = data;
- ret->set_option = NULL;
- ret->get_refs_list = get_refs_via_connect;
- ret->fetch = fetch_refs_via_pack;
- ret->push_refs = git_transport_push;
- ret->connect = connect_git;
- ret->disconnect = disconnect_git;
+ ret->vtable = &builtin_smart_vtable;
ret->smart_options = &(data->options);
data->conn = NULL;
git_reports = set_git_option(transport->smart_options,
name, value);
- if (transport->set_option)
- protocol_reports = transport->set_option(transport, name,
- value);
+ if (transport->vtable->set_option)
+ protocol_reports = transport->vtable->set_option(transport,
+ name, value);
/* If either report is 0, report 0 (success). */
if (!git_reports || !protocol_reports)
*reject_reasons = 0;
transport_verify_remote_names(refspec_nr, refspec);
- if (transport->push_refs) {
+ if (transport->vtable->push_refs) {
struct ref *remote_refs;
struct ref *local_refs = get_local_heads();
int match_flags = MATCH_REFS_NONE;
int porcelain = flags & TRANSPORT_PUSH_PORCELAIN;
int pretend = flags & TRANSPORT_PUSH_DRY_RUN;
int push_ret, ret, err;
+ struct refspec *tmp_rs;
+ struct argv_array ref_prefixes = ARGV_ARRAY_INIT;
+ int i;
if (check_push_refs(local_refs, refspec_nr, refspec) < 0)
return -1;
- remote_refs = transport->get_refs_list(transport, 1);
+ tmp_rs = parse_push_refspec(refspec_nr, refspec);
+ for (i = 0; i < refspec_nr; i++) {
+ const char *prefix = NULL;
+
+ if (tmp_rs[i].dst)
+ prefix = tmp_rs[i].dst;
+ else if (tmp_rs[i].src && !tmp_rs[i].exact_sha1)
+ prefix = tmp_rs[i].src;
+
+ if (prefix) {
+ const char *glob = strchr(prefix, '*');
+ if (glob)
+ argv_array_pushf(&ref_prefixes, "%.*s",
+ (int)(glob - prefix),
+ prefix);
+ else
+ expand_ref_prefix(&ref_prefixes, prefix);
+ }
+ }
+
+ remote_refs = transport->vtable->get_refs_list(transport, 1,
+ &ref_prefixes);
+
+ argv_array_clear(&ref_prefixes);
+ free_refspec(refspec_nr, tmp_rs);
if (flags & TRANSPORT_PUSH_ALL)
match_flags |= MATCH_REFS_ALL;
}
if (!(flags & TRANSPORT_RECURSE_SUBMODULES_ONLY))
- push_ret = transport->push_refs(transport, remote_refs, flags);
+ push_ret = transport->vtable->push_refs(transport, remote_refs, flags);
else
push_ret = 0;
err = push_had_errors(remote_refs);
return 1;
}
-const struct ref *transport_get_remote_refs(struct transport *transport)
+const struct ref *transport_get_remote_refs(struct transport *transport,
+ const struct argv_array *ref_prefixes)
{
if (!transport->got_remote_refs) {
- transport->remote_refs = transport->get_refs_list(transport, 0);
+ transport->remote_refs =
+ transport->vtable->get_refs_list(transport, 0,
+ ref_prefixes);
transport->got_remote_refs = 1;
}
heads[nr_heads++] = rm;
}
- rc = transport->fetch(transport, nr_heads, heads);
+ rc = transport->vtable->fetch(transport, nr_heads, heads);
free(heads);
return rc;
int transport_connect(struct transport *transport, const char *name,
const char *exec, int fd[2])
{
- if (transport->connect)
- return transport->connect(transport, name, exec, fd);
+ if (transport->vtable->connect)
+ return transport->vtable->connect(transport, name, exec, fd);
else
die("Operation not supported by protocol");
}
int transport_disconnect(struct transport *transport)
{
int ret = 0;
- if (transport->disconnect)
- ret = transport->disconnect(transport);
+ if (transport->vtable->disconnect)
+ ret = transport->vtable->disconnect(transport);
free(transport);
return ret;
}