#include "sigchain.h"
#include "argv-array.h"
#include "refs.h"
+#include "transport-internal.h"
static int debug;
{
if (debug)
fprintf(stderr, "Debug: Remote helper: -> %s", buffer->buf);
- if (write_in_full(helper->helper->in, buffer->buf, buffer->len)
- != buffer->len)
+ if (write_in_full(helper->helper->in, buffer->buf, buffer->len) < 0)
die_errno("Full write to remote helper failed");
}
strbuf_reset(buffer);
if (debug)
fprintf(stderr, "Debug: Remote helper: Waiting...\n");
- if (strbuf_getline(buffer, helper, '\n') == EOF) {
+ if (strbuf_getline(buffer, helper) == EOF) {
if (debug)
fprintf(stderr, "Debug: Remote helper quit.\n");
return 1;
{
if (debug)
fprintf(stderr, "Debug: Remote helper: -> %s", str);
- if (write_in_full(fd, str, strlen(str)) != strlen(str))
+ if (write_in_full(fd, str, strlen(str)) < 0)
die_errno("Full write to remote helper failed");
}
helper->git_cmd = 0;
helper->silent_exec_failure = 1;
- argv_array_pushf(&helper->env_array, "%s=%s", GIT_DIR_ENVIRONMENT,
- get_git_dir());
+ if (have_git_dir())
+ argv_array_pushf(&helper->env_array, "%s=%s",
+ GIT_DIR_ENVIRONMENT, get_git_dir());
code = start_command(helper);
if (code < 0 && errno == ENOENT)
data->no_disconnect_req = 0;
/*
- * Open the output as FILE* so strbuf_getline() can be used.
+ * Open the output as FILE* so strbuf_getline_*() family of
+ * functions can be used.
* Do this with duped fd because fclose() will close the fd,
* and stuff like taking over will require the fd to remain.
*/
close(data->helper->out);
fclose(data->out);
res = finish_command(data->helper);
- free(data->helper);
- data->helper = NULL;
+ FREE_AND_NULL(data->helper);
}
return res;
}
TRANS_OPT_THIN,
TRANS_OPT_KEEP,
TRANS_OPT_FOLLOWTAGS,
- TRANS_OPT_PUSH_CERT
+ TRANS_OPT_DEEPEN_RELATIVE
};
+static int strbuf_set_helper_option(struct helper_data *data,
+ struct strbuf *buf)
+{
+ int ret;
+
+ sendline(data, buf);
+ if (recvline(data, buf))
+ exit(128);
+
+ if (!strcmp(buf->buf, "ok"))
+ ret = 0;
+ else if (starts_with(buf->buf, "error"))
+ ret = -1;
+ else if (!strcmp(buf->buf, "unsupported"))
+ ret = 1;
+ else {
+ warning("%s unexpectedly said: '%s'", data->name, buf->buf);
+ ret = 1;
+ }
+ return ret;
+}
+
+static int string_list_set_helper_option(struct helper_data *data,
+ const char *name,
+ struct string_list *list)
+{
+ struct strbuf buf = STRBUF_INIT;
+ int i, ret = 0;
+
+ for (i = 0; i < list->nr; i++) {
+ strbuf_addf(&buf, "option %s ", name);
+ quote_c_style(list->items[i].string, &buf, NULL, 0);
+ strbuf_addch(&buf, '\n');
+
+ if ((ret = strbuf_set_helper_option(data, &buf)))
+ break;
+ strbuf_reset(&buf);
+ }
+ strbuf_release(&buf);
+ return ret;
+}
+
static int set_helper_option(struct transport *transport,
const char *name, const char *value)
{
if (!data->option)
return 1;
+ if (!strcmp(name, "deepen-not"))
+ return string_list_set_helper_option(data, name,
+ (struct string_list *)value);
+
for (i = 0; i < ARRAY_SIZE(unsupported_options); i++) {
if (!strcmp(name, unsupported_options[i]))
return 1;
quote_c_style(value, &buf, NULL, 0);
strbuf_addch(&buf, '\n');
- sendline(data, &buf);
- if (recvline(data, &buf))
- exit(128);
-
- if (!strcmp(buf.buf, "ok"))
- ret = 0;
- else if (starts_with(buf.buf, "error")) {
- ret = -1;
- } else if (!strcmp(buf.buf, "unsupported"))
- ret = 1;
- else {
- warning("%s unexpectedly said: '%s'", data->name, buf.buf);
- ret = 1;
- }
+ ret = strbuf_set_helper_option(data, &buf);
strbuf_release(&buf);
return ret;
}
static void standard_options(struct transport *t)
{
char buf[16];
- int n;
int v = t->verbose;
set_helper_option(t, "progress", t->progress ? "true" : "false");
- n = snprintf(buf, sizeof(buf), "%d", v + 1);
- if (n >= sizeof(buf))
- die("impossibly large verbosity value");
+ xsnprintf(buf, sizeof(buf), "%d", v + 1);
set_helper_option(t, "verbosity", buf);
+
+ switch (t->family) {
+ case TRANSPORT_FAMILY_ALL:
+ /*
+ * this is already the default,
+ * do not break old remote helpers by setting "all" here
+ */
+ break;
+ case TRANSPORT_FAMILY_IPV4:
+ set_helper_option(t, "family", "ipv4");
+ break;
+ case TRANSPORT_FAMILY_IPV6:
+ set_helper_option(t, "family", "ipv6");
+ break;
+ }
}
static int release_helper(struct transport *transport)
continue;
strbuf_addf(&buf, "fetch %s %s\n",
- sha1_to_hex(posn->old_sha1),
+ oid_to_hex(&posn->old_oid),
posn->symref ? posn->symref : posn->name);
}
child_process_init(fastimport);
fastimport->in = helper->out;
argv_array_push(&fastimport->args, "fast-import");
+ argv_array_push(&fastimport->args, "--allow-unsafe-features");
argv_array_push(&fastimport->args, debug ? "--stats" : "--quiet");
if (data->bidi_import) {
else
private = xstrdup(name);
if (private) {
- if (read_ref(private, posn->old_sha1) < 0)
+ if (read_ref(private, &posn->old_oid) < 0)
die("Could not read ref %s", private);
free(private);
}
cmdbuf.buf);
exit:
+ strbuf_release(&cmdbuf);
fclose(input);
return ret;
}
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);
}
count = 0;
if (!strcmp(msg, "no match")) {
status = REF_STATUS_NONE;
- free(msg);
- msg = NULL;
+ FREE_AND_NULL(msg);
}
else if (!strcmp(msg, "up to date")) {
status = REF_STATUS_UPTODATE;
- free(msg);
- msg = NULL;
+ FREE_AND_NULL(msg);
}
else if (!strcmp(msg, "non-fast forward")) {
status = REF_STATUS_REJECT_NONFASTFORWARD;
- free(msg);
- msg = NULL;
+ FREE_AND_NULL(msg);
}
else if (!strcmp(msg, "already exists")) {
status = REF_STATUS_REJECT_ALREADY_EXISTS;
- free(msg);
- msg = NULL;
+ FREE_AND_NULL(msg);
}
else if (!strcmp(msg, "fetch first")) {
status = REF_STATUS_REJECT_FETCH_FIRST;
- free(msg);
- msg = NULL;
+ FREE_AND_NULL(msg);
}
else if (!strcmp(msg, "needs force")) {
status = REF_STATUS_REJECT_NEEDS_FORCE;
- free(msg);
- msg = NULL;
+ FREE_AND_NULL(msg);
}
else if (!strcmp(msg, "stale info")) {
status = REF_STATUS_REJECT_STALE;
- free(msg);
- msg = NULL;
+ FREE_AND_NULL(msg);
}
else if (!strcmp(msg, "forced update")) {
forced = 1;
- free(msg);
- msg = NULL;
+ FREE_AND_NULL(msg);
}
}
private = apply_refspecs(data->refspecs, data->refspec_nr, ref->name);
if (!private)
continue;
- update_ref("update by helper", private, ref->new_sha1, NULL, 0, 0);
+ update_ref("update by helper", private, &ref->new_oid, NULL,
+ 0, 0);
free(private);
}
strbuf_release(&buf);
return ret;
}
+static void set_common_push_options(struct transport *transport,
+ const char *name, int flags)
+{
+ if (flags & TRANSPORT_PUSH_DRY_RUN) {
+ if (set_helper_option(transport, "dry-run", "true") != 0)
+ die("helper %s does not support dry-run", name);
+ } else if (flags & TRANSPORT_PUSH_CERT_ALWAYS) {
+ if (set_helper_option(transport, TRANS_OPT_PUSH_CERT, "true") != 0)
+ die("helper %s does not support --signed", name);
+ } else if (flags & TRANSPORT_PUSH_CERT_IF_ASKED) {
+ if (set_helper_option(transport, TRANS_OPT_PUSH_CERT, "if-asked") != 0)
+ die("helper %s does not support --signed=if-asked", name);
+ }
+
+ if (flags & TRANSPORT_PUSH_OPTIONS) {
+ struct string_list_item *item;
+ for_each_string_list_item(item, transport->push_options)
+ if (set_helper_option(transport, "push-option", item->string) != 0)
+ die("helper %s does not support 'push-option'", name);
+ }
+}
+
static int push_refs_with_push(struct transport *transport,
struct ref *remote_refs, int flags)
{
if (ref->peer_ref)
strbuf_addstr(&buf, ref->peer_ref->name);
else
- strbuf_addstr(&buf, sha1_to_hex(ref->new_sha1));
+ strbuf_addstr(&buf, oid_to_hex(&ref->new_oid));
}
strbuf_addch(&buf, ':');
strbuf_addstr(&buf, ref->name);
/*
* The "--force-with-lease" options without explicit
* values to expect have already been expanded into
- * the ref->old_sha1_expect[] field; we can ignore
+ * the ref->old_oid_expect[] field; we can ignore
* transport->smart_options->cas altogether and instead
* can enumerate them from the refs.
*/
if (ref->expect_old_sha1) {
struct strbuf cas = STRBUF_INIT;
strbuf_addf(&cas, "%s:%s",
- ref->name, sha1_to_hex(ref->old_sha1_expect));
- string_list_append(&cas_options, strbuf_detach(&cas, NULL));
+ ref->name, oid_to_hex(&ref->old_oid_expect));
+ string_list_append_nodup(&cas_options,
+ strbuf_detach(&cas, NULL));
}
}
if (buf.len == 0) {
for_each_string_list_item(cas_option, &cas_options)
set_helper_option(transport, "cas", cas_option->string);
-
- if (flags & TRANSPORT_PUSH_DRY_RUN) {
- if (set_helper_option(transport, "dry-run", "true") != 0)
- die("helper %s does not support dry-run", data->name);
- } else if (flags & TRANSPORT_PUSH_CERT) {
- if (set_helper_option(transport, TRANS_OPT_PUSH_CERT, "true") != 0)
- die("helper %s does not support --signed", data->name);
- }
+ set_common_push_options(transport, data->name, flags);
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);
}
if (!data->refspecs)
die("remote-helper doesn't support push; refspec needed");
- if (flags & TRANSPORT_PUSH_DRY_RUN) {
- if (set_helper_option(transport, "dry-run", "true") != 0)
- die("helper %s does not support dry-run", data->name);
- } else if (flags & TRANSPORT_PUSH_CERT) {
- if (set_helper_option(transport, TRANS_OPT_PUSH_CERT, "true") != 0)
- die("helper %s does not support --signed", data->name);
- }
-
+ set_common_push_options(transport, data->name, flags);
if (flags & TRANSPORT_PUSH_FORCE) {
if (set_helper_option(transport, "force", "true") != 0)
warning("helper %s does not support 'force'", data->name);
for (ref = remote_refs; ref; ref = ref->next) {
char *private;
- unsigned char sha1[20];
+ struct object_id oid;
private = apply_refspecs(data->refspecs, data->refspec_nr, ref->name);
- if (private && !get_sha1(private, sha1)) {
+ if (private && !get_oid(private, &oid)) {
strbuf_addf(&buf, "^%s", private);
- string_list_append(&revlist_args, strbuf_detach(&buf, NULL));
- hashcpy(ref->old_sha1, sha1);
+ 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,
- sha1, &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) {
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);
}
if (data->push && for_push)
if (buf.buf[0] == '@')
(*tail)->symref = xstrdup(buf.buf + 1);
else if (buf.buf[0] != '?')
- get_sha1_hex(buf.buf, (*tail)->old_sha1);
+ get_oid_hex(buf.buf, &(*tail)->old_oid);
if (eon) {
if (has_attribute(eon + 1, "unchanged")) {
(*tail)->status |= REF_STATUS_UPTODATE;
- if (read_ref((*tail)->name,
- (*tail)->old_sha1) < 0)
- die(N_("Could not read ref %s"),
+ 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));
data->name = name;
+ transport_check_allowed(name);
+
if (getenv("GIT_TRANSPORT_HELPER_DEBUG"))
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;
}
__attribute__((format (printf, 1, 2)))
static void transfer_debug(const char *fmt, ...)
{
+ /*
+ * NEEDSWORK: This function is sometimes used from multiple threads, and
+ * we end up using debug_enabled racily. That "should not matter" since
+ * we always write the same value, but it's still wrong. This function
+ * is listed in .tsan-suppressions for the time being.
+ */
+
va_list args;
char msgbuf[PBUFFERSIZE];
static int debug_enabled = -1;
}
/* Stream state: More data may be coming in this direction. */
-#define SSTATE_TRANSFERING 0
+#define SSTATE_TRANSFERRING 0
/*
* Stream state: No more data coming in this direction, flushing rest of
* data.
/* Stream state: Transfer in this direction finished. */
#define SSTATE_FINISHED 2
-#define STATE_NEEDS_READING(state) ((state) <= SSTATE_TRANSFERING)
+#define STATE_NEEDS_READING(state) ((state) <= SSTATE_TRANSFERRING)
#define STATE_NEEDS_WRITING(state) ((state) <= SSTATE_FLUSHING)
#define STATE_NEEDS_CLOSING(state) ((state) == SSTATE_FLUSHING)
}
/*
- * Tries to read read data from source into buffer. If buffer is full,
+ * Tries to read data from source into buffer. If buffer is full,
* no data is read. Returns 0 on success, -1 on error.
*/
static int udt_do_read(struct unidirectional_transfer *t)
bytes = read(t->src, t->buf + t->bufuse, BUFFERSIZE - t->bufuse);
if (bytes < 0 && errno != EWOULDBLOCK && errno != EAGAIN &&
errno != EINTR) {
- error("read(%s) failed: %s", t->src_name, strerror(errno));
+ error_errno("read(%s) failed", t->src_name);
return -1;
} else if (bytes == 0) {
transfer_debug("%s EOF (with %i bytes in buffer)",
transfer_debug("%s is writable", t->dest_name);
bytes = xwrite(t->dest, t->buf, t->bufuse);
if (bytes < 0 && errno != EWOULDBLOCK) {
- error("write(%s) failed: %s", t->dest_name, strerror(errno));
+ error_errno("write(%s) failed", t->dest_name);
return -1;
} else if (bytes > 0) {
t->bufuse -= bytes;
{
int tret;
if (waitpid(pid, &tret, 0) < 0) {
- error("%s process failed to wait: %s", name, strerror(errno));
+ error_errno("%s process failed to wait", name);
return 1;
}
if (!WIFEXITED(tret) || WEXITSTATUS(tret)) {
state.ptg.dest = 1;
state.ptg.src_is_sock = (input == output);
state.ptg.dest_is_sock = 0;
- state.ptg.state = SSTATE_TRANSFERING;
+ state.ptg.state = SSTATE_TRANSFERRING;
state.ptg.bufuse = 0;
state.ptg.src_name = "remote input";
state.ptg.dest_name = "stdout";
state.gtp.dest = output;
state.gtp.src_is_sock = 0;
state.gtp.dest_is_sock = (input == output);
- state.gtp.state = SSTATE_TRANSFERING;
+ state.gtp.state = SSTATE_TRANSFERRING;
state.gtp.bufuse = 0;
state.gtp.src_name = "stdin";
state.gtp.dest_name = "remote output";
projects / platform / upstream / git.git / blobdiff