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-rw-r--r--transport-helper.c73
1 files changed, 59 insertions, 14 deletions
diff --git a/transport-helper.c b/transport-helper.c
index 63cabc3..ad72fbd 100644
--- a/transport-helper.c
+++ b/transport-helper.c
@@ -27,7 +27,9 @@ struct helper_data {
push : 1,
connect : 1,
signed_tags : 1,
- no_disconnect_req : 1;
+ check_connectivity : 1,
+ no_disconnect_req : 1,
+ no_private_update : 1;
char *export_marks;
char *import_marks;
/* These go from remote name (as in "list") to private name */
@@ -186,7 +188,9 @@ static struct child_process *get_helper(struct transport *transport)
data->bidi_import = 1;
else if (!strcmp(capname, "export"))
data->export = 1;
- else if (!data->refspecs && !prefixcmp(capname, "refspec ")) {
+ else if (!strcmp(capname, "check-connectivity"))
+ data->check_connectivity = 1;
+ else if (!data->refspecs && starts_with(capname, "refspec ")) {
ALLOC_GROW(refspecs,
refspec_nr + 1,
refspec_alloc);
@@ -195,16 +199,18 @@ 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 ")) {
+ } else if (starts_with(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")) {
+ } else if (starts_with(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 (starts_with(capname, "no-private-update")) {
+ data->no_private_update = 1;
} else if (mandatory) {
die("Unknown mandatory capability %s. This remote "
"helper probably needs newer version of Git.",
@@ -263,6 +269,7 @@ static const char *unsupported_options[] = {
TRANS_OPT_THIN,
TRANS_OPT_KEEP
};
+
static const char *boolean_options[] = {
TRANS_OPT_THIN,
TRANS_OPT_KEEP,
@@ -304,7 +311,7 @@ static int set_helper_option(struct transport *transport,
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;
@@ -349,6 +356,15 @@ static int fetch_with_fetch(struct transport *transport,
struct strbuf buf = STRBUF_INIT;
standard_options(transport);
+ if (data->check_connectivity &&
+ 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];
@@ -365,13 +381,17 @@ static int fetch_with_fetch(struct transport *transport,
while (1) {
recvline(data, &buf);
- 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);
else
transport->pack_lockfile = xstrdup(name);
}
+ else if (data->check_connectivity &&
+ data->transport_options.check_self_contained_and_connected &&
+ !strcmp(buf.buf, "connectivity-ok"))
+ data->transport_options.self_contained_and_connected = 1;
else if (!buf.len)
break;
else
@@ -632,10 +652,10 @@ static int push_update_ref_status(struct strbuf *buf,
char *refname, *msg;
int status;
- 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
@@ -683,6 +703,11 @@ static int push_update_ref_status(struct strbuf *buf,
free(msg);
msg = NULL;
}
+ else if (!strcmp(msg, "stale info")) {
+ status = REF_STATUS_REJECT_STALE;
+ free(msg);
+ msg = NULL;
+ }
}
if (*ref)
@@ -723,7 +748,7 @@ static void push_update_refs_status(struct helper_data *data,
if (push_update_ref_status(&buf, &ref, remote_refs))
continue;
- if (!data->refspecs)
+ if (!data->refspecs || data->no_private_update)
continue;
/* propagate back the update to the remote namespace */
@@ -737,13 +762,15 @@ static void push_update_refs_status(struct helper_data *data,
}
static int push_refs_with_push(struct transport *transport,
- struct ref *remote_refs, int flags)
+ struct ref *remote_refs, int flags)
{
int force_all = flags & TRANSPORT_PUSH_FORCE;
int mirror = flags & TRANSPORT_PUSH_MIRROR;
struct helper_data *data = transport->data;
struct strbuf buf = STRBUF_INIT;
struct ref *ref;
+ struct string_list cas_options = STRING_LIST_INIT_DUP;
+ struct string_list_item *cas_option;
get_helper(transport);
if (!data->push)
@@ -756,6 +783,7 @@ static int push_refs_with_push(struct transport *transport,
/* Check for statuses set by set_ref_status_for_push() */
switch (ref->status) {
case REF_STATUS_REJECT_NONFASTFORWARD:
+ case REF_STATUS_REJECT_STALE:
case REF_STATUS_REJECT_ALREADY_EXISTS:
case REF_STATUS_UPTODATE:
continue;
@@ -778,11 +806,29 @@ static int push_refs_with_push(struct transport *transport,
strbuf_addch(&buf, ':');
strbuf_addstr(&buf, ref->name);
strbuf_addch(&buf, '\n');
+
+ /*
+ * The "--force-with-lease" options without explicit
+ * values to expect have already been expanded into
+ * the ref->old_sha1_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));
+ }
}
- if (buf.len == 0)
+ if (buf.len == 0) {
+ string_list_clear(&cas_options, 0);
return 0;
+ }
standard_options(transport);
+ 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)
@@ -1089,9 +1135,8 @@ 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) {