summaryrefslogtreecommitdiff
path: root/transport-helper.c
diff options
context:
space:
mode:
Diffstat (limited to 'transport-helper.c')
-rw-r--r--transport-helper.c121
1 files changed, 75 insertions, 46 deletions
diff --git a/transport-helper.c b/transport-helper.c
index 673b7c214f..b468e4f88e 100644
--- a/transport-helper.c
+++ b/transport-helper.c
@@ -58,7 +58,7 @@ static int recvline_fh(FILE *helper, struct strbuf *buffer, const char *name)
if (strbuf_getline(buffer, helper, '\n') == EOF) {
if (debug)
fprintf(stderr, "Debug: Remote helper quit.\n");
- exit(128);
+ return 1;
}
if (debug)
@@ -71,12 +71,6 @@ static int recvline(struct helper_data *helper, struct strbuf *buffer)
return recvline_fh(helper->out, buffer, helper->name);
}
-static void xchgline(struct helper_data *helper, struct strbuf *buffer)
-{
- sendline(helper, buffer);
- recvline(helper, buffer);
-}
-
static void write_constant(int fd, const char *str)
{
if (debug)
@@ -163,7 +157,8 @@ static struct child_process *get_helper(struct transport *transport)
while (1) {
const char *capname;
int mandatory = 0;
- recvline(data, &buf);
+ if (recvline(data, &buf))
+ exit(128);
if (!*buf.buf)
break;
@@ -190,7 +185,7 @@ static struct child_process *get_helper(struct transport *transport)
data->export = 1;
else if (!strcmp(capname, "check-connectivity"))
data->check_connectivity = 1;
- else if (!data->refspecs && !prefixcmp(capname, "refspec ")) {
+ else if (!data->refspecs && starts_with(capname, "refspec ")) {
ALLOC_GROW(refspecs,
refspec_nr + 1,
refspec_alloc);
@@ -199,17 +194,11 @@ static struct child_process *get_helper(struct transport *transport)
data->connect = 1;
} else if (!strcmp(capname, "signed-tags")) {
data->signed_tags = 1;
- } else if (!prefixcmp(capname, "export-marks ")) {
- struct strbuf arg = STRBUF_INIT;
- strbuf_addstr(&arg, "--export-marks=");
- strbuf_addstr(&arg, capname + strlen("export-marks "));
- data->export_marks = strbuf_detach(&arg, NULL);
- } else if (!prefixcmp(capname, "import-marks")) {
- struct strbuf arg = STRBUF_INIT;
- strbuf_addstr(&arg, "--import-marks=");
- strbuf_addstr(&arg, capname + strlen("import-marks "));
- data->import_marks = strbuf_detach(&arg, NULL);
- } else if (!prefixcmp(capname, "no-private-update")) {
+ } else if (starts_with(capname, "export-marks ")) {
+ data->export_marks = xstrdup(capname + strlen("export-marks "));
+ } else if (starts_with(capname, "import-marks")) {
+ data->import_marks = xstrdup(capname + strlen("import-marks "));
+ } else if (starts_with(capname, "no-private-update")) {
data->no_private_update = 1;
} else if (mandatory) {
die("Unknown mandatory capability %s. This remote "
@@ -307,11 +296,13 @@ static int set_helper_option(struct transport *transport,
quote_c_style(value, &buf, NULL, 0);
strbuf_addch(&buf, '\n');
- xchgline(data, &buf);
+ sendline(data, &buf);
+ if (recvline(data, &buf))
+ exit(128);
if (!strcmp(buf.buf, "ok"))
ret = 0;
- else if (!prefixcmp(buf.buf, "error")) {
+ else if (starts_with(buf.buf, "error")) {
ret = -1;
} else if (!strcmp(buf.buf, "unsupported"))
ret = 1;
@@ -360,6 +351,12 @@ static int fetch_with_fetch(struct transport *transport,
data->transport_options.check_self_contained_and_connected)
set_helper_option(transport, "check-connectivity", "true");
+ if (transport->cloning)
+ set_helper_option(transport, "cloning", "true");
+
+ if (data->transport_options.update_shallow)
+ set_helper_option(transport, "update-shallow", "true");
+
for (i = 0; i < nr_heads; i++) {
const struct ref *posn = to_fetch[i];
if (posn->status & REF_STATUS_UPTODATE)
@@ -373,9 +370,10 @@ static int fetch_with_fetch(struct transport *transport,
sendline(data, &buf);
while (1) {
- recvline(data, &buf);
+ if (recvline(data, &buf))
+ exit(128);
- if (!prefixcmp(buf.buf, "lock ")) {
+ if (starts_with(buf.buf, "lock ")) {
const char *name = buf.buf + 5;
if (transport->pack_lockfile)
warning("%s also locked %s", data->name, name);
@@ -424,6 +422,8 @@ static int get_exporter(struct transport *transport,
struct helper_data *data = transport->data;
struct child_process *helper = get_helper(transport);
int argc = 0, i;
+ struct strbuf tmp = STRBUF_INIT;
+
memset(fastexport, 0, sizeof(*fastexport));
/* we need to duplicate helper->in because we want to use it after
@@ -434,10 +434,14 @@ static int get_exporter(struct transport *transport,
fastexport->argv[argc++] = "--use-done-feature";
fastexport->argv[argc++] = data->signed_tags ?
"--signed-tags=verbatim" : "--signed-tags=warn-strip";
- if (data->export_marks)
- fastexport->argv[argc++] = data->export_marks;
- if (data->import_marks)
- fastexport->argv[argc++] = data->import_marks;
+ if (data->export_marks) {
+ strbuf_addf(&tmp, "--export-marks=%s.tmp", data->export_marks);
+ fastexport->argv[argc++] = strbuf_detach(&tmp, NULL);
+ }
+ if (data->import_marks) {
+ strbuf_addf(&tmp, "--import-marks=%s", data->import_marks);
+ fastexport->argv[argc++] = strbuf_detach(&tmp, NULL);
+ }
for (i = 0; i < revlist_args->nr; i++)
fastexport->argv[argc++] = revlist_args->items[i].string;
@@ -557,7 +561,9 @@ static int process_connect_service(struct transport *transport,
goto exit;
sendline(data, &cmdbuf);
- recvline_fh(input, &cmdbuf, name);
+ if (recvline_fh(input, &cmdbuf, name))
+ exit(128);
+
if (!strcmp(cmdbuf.buf, "")) {
data->no_disconnect_req = 1;
if (debug)
@@ -644,12 +650,12 @@ static int push_update_ref_status(struct strbuf *buf,
struct ref *remote_refs)
{
char *refname, *msg;
- int status;
+ int status, forced = 0;
- if (!prefixcmp(buf->buf, "ok ")) {
+ if (starts_with(buf->buf, "ok ")) {
status = REF_STATUS_OK;
refname = buf->buf + 3;
- } else if (!prefixcmp(buf->buf, "error ")) {
+ } else if (starts_with(buf->buf, "error ")) {
status = REF_STATUS_REMOTE_REJECT;
refname = buf->buf + 6;
} else
@@ -702,6 +708,11 @@ static int push_update_ref_status(struct strbuf *buf,
free(msg);
msg = NULL;
}
+ else if (!strcmp(msg, "forced update")) {
+ forced = 1;
+ free(msg);
+ msg = NULL;
+ }
}
if (*ref)
@@ -723,26 +734,34 @@ static int push_update_ref_status(struct strbuf *buf,
}
(*ref)->status = status;
+ (*ref)->forced_update |= forced;
(*ref)->remote_status = msg;
return !(status == REF_STATUS_OK);
}
-static void push_update_refs_status(struct helper_data *data,
- struct ref *remote_refs)
+static int push_update_refs_status(struct helper_data *data,
+ struct ref *remote_refs,
+ int flags)
{
struct strbuf buf = STRBUF_INIT;
struct ref *ref = remote_refs;
+ int ret = 0;
+
for (;;) {
char *private;
- recvline(data, &buf);
+ if (recvline(data, &buf)) {
+ ret = 1;
+ break;
+ }
+
if (!buf.len)
break;
if (push_update_ref_status(&buf, &ref, remote_refs))
continue;
- if (!data->refspecs || data->no_private_update)
+ if (flags & TRANSPORT_PUSH_DRY_RUN || !data->refspecs || data->no_private_update)
continue;
/* propagate back the update to the remote namespace */
@@ -753,6 +772,7 @@ static void push_update_refs_status(struct helper_data *data,
free(private);
}
strbuf_release(&buf);
+ return ret;
}
static int push_refs_with_push(struct transport *transport,
@@ -833,8 +853,7 @@ static int push_refs_with_push(struct transport *transport,
sendline(data, &buf);
strbuf_release(&buf);
- push_update_refs_status(data, remote_refs);
- return 0;
+ return push_update_refs_status(data, remote_refs, flags);
}
static int push_refs_with_export(struct transport *transport,
@@ -854,6 +873,11 @@ static int push_refs_with_export(struct transport *transport,
die("helper %s does not support dry-run", data->name);
}
+ if (flags & TRANSPORT_PUSH_FORCE) {
+ if (set_helper_option(transport, "force", "true") != 0)
+ warning("helper %s does not support 'force'", data->name);
+ }
+
helper = get_helper(transport);
write_constant(helper->in, "export\n");
@@ -875,9 +899,6 @@ static int push_refs_with_export(struct transport *transport,
}
free(private);
- if (ref->deletion)
- die("remote-helpers do not support ref deletion");
-
if (ref->peer_ref) {
if (strcmp(ref->peer_ref->name, ref->name))
die("remote-helpers do not support old:new syntax");
@@ -890,7 +911,15 @@ static int push_refs_with_export(struct transport *transport,
if (finish_command(&exporter))
die("Error while running fast-export");
- push_update_refs_status(data, remote_refs);
+ if (push_update_refs_status(data, remote_refs, flags))
+ return 1;
+
+ if (data->export_marks) {
+ strbuf_addf(&buf, "%s.tmp", data->export_marks);
+ rename(buf.buf, data->export_marks);
+ strbuf_release(&buf);
+ }
+
return 0;
}
@@ -959,7 +988,8 @@ static struct ref *get_refs_list(struct transport *transport, int for_push)
while (1) {
char *eov, *eon;
- recvline(data, &buf);
+ if (recvline(data, &buf))
+ exit(128);
if (!*buf.buf)
break;
@@ -1129,9 +1159,8 @@ static int udt_do_write(struct unidirectional_transfer *t)
return 0; /* Nothing to write. */
transfer_debug("%s is writable", t->dest_name);
- bytes = write(t->dest, t->buf, t->bufuse);
- if (bytes < 0 && errno != EWOULDBLOCK && errno != EAGAIN &&
- errno != EINTR) {
+ bytes = xwrite(t->dest, t->buf, t->bufuse);
+ if (bytes < 0 && errno != EWOULDBLOCK) {
error("write(%s) failed: %s", t->dest_name, strerror(errno));
return -1;
} else if (bytes > 0) {