#include "sigchain.h"
#include "argv-array.h"
#include "refs.h"
+#include "refspec.h"
+#include "transport-internal.h"
+#include "protocol.h"
static int debug;
option : 1,
push : 1,
connect : 1,
+ stateless_connect : 1,
signed_tags : 1,
check_connectivity : 1,
no_disconnect_req : 1,
char *export_marks;
char *import_marks;
/* These go from remote name (as in "list") to private name */
- struct refspec *refspecs;
- int refspec_nr;
+ struct refspec rs;
/* Transport options for fetch-pack/send-pack (should one of
* those be invoked).
*/
die_errno("Full write to remote helper failed");
}
-static int recvline_fh(FILE *helper, struct strbuf *buffer, const char *name)
+static int recvline_fh(FILE *helper, struct strbuf *buffer)
{
strbuf_reset(buffer);
if (debug)
static int recvline(struct helper_data *helper, struct strbuf *buffer)
{
- return recvline_fh(helper->out, buffer, helper->name);
+ return recvline_fh(helper->out, buffer);
}
static void write_constant(int fd, const char *str)
struct helper_data *data = transport->data;
struct strbuf buf = STRBUF_INIT;
struct child_process *helper;
- const char **refspecs = NULL;
- int refspec_nr = 0;
- int refspec_alloc = 0;
int duped;
int code;
data->helper = helper;
data->no_disconnect_req = 0;
+ refspec_init(&data->rs, REFSPEC_FETCH);
/*
* Open the output as FILE* so strbuf_getline_*() family of
data->export = 1;
else if (!strcmp(capname, "check-connectivity"))
data->check_connectivity = 1;
- else if (!data->refspecs && skip_prefix(capname, "refspec ", &arg)) {
- ALLOC_GROW(refspecs,
- refspec_nr + 1,
- refspec_alloc);
- refspecs[refspec_nr++] = xstrdup(arg);
+ else if (skip_prefix(capname, "refspec ", &arg)) {
+ refspec_append(&data->rs, arg);
} else if (!strcmp(capname, "connect")) {
data->connect = 1;
+ } else if (!strcmp(capname, "stateless-connect")) {
+ data->stateless_connect = 1;
} else if (!strcmp(capname, "signed-tags")) {
data->signed_tags = 1;
} else if (skip_prefix(capname, "export-marks ", &arg)) {
capname);
}
}
- if (refspecs) {
- int i;
- data->refspec_nr = refspec_nr;
- data->refspecs = parse_fetch_refspec(refspec_nr, refspecs);
- for (i = 0; i < refspec_nr; i++)
- free((char *)refspecs[i]);
- free(refspecs);
- } else if (data->import || data->bidi_import || data->export) {
+ if (!data->rs.nr && (data->import || data->bidi_import || data->export)) {
warning("This remote helper should implement refspec capability.");
}
strbuf_release(&buf);
{
int res = 0;
struct helper_data *data = transport->data;
- free_refspec(data->refspec_nr, data->refspecs);
- data->refspecs = NULL;
+ refspec_clear(&data->rs);
res = disconnect_helper(transport);
free(transport->data);
return res;
if (posn->status & REF_STATUS_UPTODATE)
continue;
name = posn->symref ? posn->symref : posn->name;
- if (data->refspecs)
- private = apply_refspecs(data->refspecs, data->refspec_nr, name);
+ if (data->rs.nr)
+ private = apply_refspecs(&data->rs, name);
else
private = xstrdup(name);
if (private) {
- if (read_ref(private, posn->old_oid.hash) < 0)
+ if (read_ref(private, &posn->old_oid) < 0)
die("Could not read ref %s", private);
free(private);
}
return 0;
}
-static int process_connect_service(struct transport *transport,
- const char *name, const char *exec)
+static int run_connect(struct transport *transport, struct strbuf *cmdbuf)
{
struct helper_data *data = transport->data;
- struct strbuf cmdbuf = STRBUF_INIT;
- struct child_process *helper;
- int r, duped, ret = 0;
+ int ret = 0;
+ int duped;
FILE *input;
+ struct child_process *helper;
helper = get_helper(transport);
input = xfdopen(duped, "r");
setvbuf(input, NULL, _IONBF, 0);
- /*
- * Handle --upload-pack and friends. This is fire and forget...
- * just warn if it fails.
- */
- if (strcmp(name, exec)) {
- r = set_helper_option(transport, "servpath", exec);
- if (r > 0)
- warning("Setting remote service path not supported by protocol.");
- else if (r < 0)
- warning("Invalid remote service path.");
- }
-
- if (data->connect)
- strbuf_addf(&cmdbuf, "connect %s\n", name);
- else
- goto exit;
-
- sendline(data, &cmdbuf);
- if (recvline_fh(input, &cmdbuf, name))
+ sendline(data, cmdbuf);
+ if (recvline_fh(input, cmdbuf))
exit(128);
- if (!strcmp(cmdbuf.buf, "")) {
+ if (!strcmp(cmdbuf->buf, "")) {
data->no_disconnect_req = 1;
if (debug)
fprintf(stderr, "Debug: Smart transport connection "
"ready.\n");
ret = 1;
- } else if (!strcmp(cmdbuf.buf, "fallback")) {
+ } else if (!strcmp(cmdbuf->buf, "fallback")) {
if (debug)
fprintf(stderr, "Debug: Falling back to dumb "
"transport.\n");
- } else
+ } else {
die("Unknown response to connect: %s",
- cmdbuf.buf);
+ cmdbuf->buf);
+ }
-exit:
fclose(input);
return ret;
}
+static int process_connect_service(struct transport *transport,
+ const char *name, const char *exec)
+{
+ struct helper_data *data = transport->data;
+ struct strbuf cmdbuf = STRBUF_INIT;
+ int ret = 0;
+
+ /*
+ * Handle --upload-pack and friends. This is fire and forget...
+ * just warn if it fails.
+ */
+ if (strcmp(name, exec)) {
+ int r = set_helper_option(transport, "servpath", exec);
+ if (r > 0)
+ warning("Setting remote service path not supported by protocol.");
+ else if (r < 0)
+ warning("Invalid remote service path.");
+ }
+
+ if (data->connect) {
+ strbuf_addf(&cmdbuf, "connect %s\n", name);
+ ret = run_connect(transport, &cmdbuf);
+ } else if (data->stateless_connect &&
+ (get_protocol_version_config() == protocol_v2) &&
+ !strcmp("git-upload-pack", name)) {
+ strbuf_addf(&cmdbuf, "stateless-connect %s\n", name);
+ ret = run_connect(transport, &cmdbuf);
+ if (ret)
+ transport->stateless_rpc = 1;
+ }
+
+ strbuf_release(&cmdbuf);
+ return ret;
+}
+
static int process_connect(struct transport *transport,
int for_push)
{
}
static int fetch(struct transport *transport,
- int nr_heads, struct ref **to_fetch)
+ int nr_heads, struct ref **to_fetch,
+ struct ref **fetched_refs)
{
struct helper_data *data = transport->data;
int i, count;
if (process_connect(transport, 0)) {
do_take_over(transport);
- return transport->fetch(transport, nr_heads, to_fetch);
+ return transport->vtable->fetch(transport, nr_heads, to_fetch,
+ fetched_refs);
}
count = 0;
if (data->transport_options.update_shallow)
set_helper_option(transport, "update-shallow", "true");
+ if (data->transport_options.filter_options.choice)
+ set_helper_option(
+ transport, "filter",
+ data->transport_options.filter_options.filter_spec);
+
+ if (data->transport_options.negotiation_tips)
+ warning("Ignoring --negotiation-tip because the protocol does not support it.");
+
if (data->fetch)
return fetch_with_fetch(transport, nr_heads, to_fetch);
if (push_update_ref_status(&buf, &ref, remote_refs))
continue;
- if (flags & TRANSPORT_PUSH_DRY_RUN || !data->refspecs || data->no_private_update)
+ if (flags & TRANSPORT_PUSH_DRY_RUN || !data->rs.nr || data->no_private_update)
continue;
/* propagate back the update to the remote namespace */
- private = apply_refspecs(data->refspecs, data->refspec_nr, ref->name);
+ private = apply_refspecs(&data->rs, ref->name);
if (!private)
continue;
- update_ref("update by helper", private, ref->new_oid.hash, NULL, 0, 0);
+ update_ref("update by helper", private, &ref->new_oid, NULL,
+ 0, 0);
free(private);
}
strbuf_release(&buf);
struct strbuf cas = STRBUF_INIT;
strbuf_addf(&cas, "%s:%s",
ref->name, oid_to_hex(&ref->old_oid_expect));
- string_list_append(&cas_options, strbuf_detach(&cas, NULL));
+ string_list_append_nodup(&cas_options,
+ strbuf_detach(&cas, NULL));
}
}
if (buf.len == 0) {
strbuf_addch(&buf, '\n');
sendline(data, &buf);
strbuf_release(&buf);
+ string_list_clear(&cas_options, 0);
return push_update_refs_status(data, remote_refs, flags);
}
struct string_list revlist_args = STRING_LIST_INIT_DUP;
struct strbuf buf = STRBUF_INIT;
- if (!data->refspecs)
+ if (!data->rs.nr)
die("remote-helper doesn't support push; refspec needed");
set_common_push_options(transport, data->name, flags);
char *private;
struct object_id oid;
- private = apply_refspecs(data->refspecs, data->refspec_nr, ref->name);
- if (private && !get_sha1(private, oid.hash)) {
+ private = apply_refspecs(&data->rs, ref->name);
+ if (private && !get_oid(private, &oid)) {
strbuf_addf(&buf, "^%s", private);
- string_list_append(&revlist_args, strbuf_detach(&buf, NULL));
+ string_list_append_nodup(&revlist_args,
+ strbuf_detach(&buf, NULL));
oidcpy(&ref->old_oid, &oid);
}
free(private);
int flag;
/* Follow symbolic refs (mainly for HEAD). */
- name = resolve_ref_unsafe(
- ref->peer_ref->name,
- RESOLVE_REF_READING,
- oid.hash, &flag);
+ name = resolve_ref_unsafe(ref->peer_ref->name,
+ RESOLVE_REF_READING,
+ &oid, &flag);
if (!name || !(flag & REF_ISSYMREF))
name = ref->peer_ref->name;
if (process_connect(transport, 1)) {
do_take_over(transport);
- return transport->push_refs(transport, remote_refs, flags);
+ return transport->vtable->push_refs(transport, remote_refs, flags);
}
if (!remote_refs) {
}
}
-static struct ref *get_refs_list(struct transport *transport, int for_push)
+static struct ref *get_refs_list(struct transport *transport, int for_push,
+ const struct argv_array *ref_prefixes)
{
struct helper_data *data = transport->data;
struct child_process *helper;
if (process_connect(transport, for_push)) {
do_take_over(transport);
- return transport->get_refs_list(transport, for_push);
+ return transport->vtable->get_refs_list(transport, for_push, ref_prefixes);
}
if (data->push && for_push)
if (eon) {
if (has_attribute(eon + 1, "unchanged")) {
(*tail)->status |= REF_STATUS_UPTODATE;
- if (read_ref((*tail)->name,
- (*tail)->old_oid.hash) < 0)
+ if (read_ref((*tail)->name, &(*tail)->old_oid) < 0)
die(_("Could not read ref %s"),
(*tail)->name);
}
return ret;
}
+static struct transport_vtable vtable = {
+ set_helper_option,
+ get_refs_list,
+ fetch,
+ push_refs,
+ connect_helper,
+ release_helper
+};
+
int transport_helper_init(struct transport *transport, const char *name)
{
struct helper_data *data = xcalloc(1, sizeof(*data));
debug = 1;
transport->data = data;
- transport->set_option = set_helper_option;
- transport->get_refs_list = get_refs_list;
- transport->fetch = fetch;
- transport->push_refs = push_refs;
- transport->disconnect = release_helper;
- transport->connect = connect_helper;
+ transport->vtable = &vtable;
transport->smart_options = &(data->transport_options);
return 0;
}