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Diffstat (limited to 'transport-helper.c')
-rw-r--r--transport-helper.c52
1 files changed, 39 insertions, 13 deletions
diff --git a/transport-helper.c b/transport-helper.c
index 6b05a88faf..a9d690297e 100644
--- a/transport-helper.c
+++ b/transport-helper.c
@@ -33,6 +33,16 @@ struct helper_data {
check_connectivity : 1,
no_disconnect_req : 1,
no_private_update : 1;
+
+ /*
+ * As an optimization, the transport code may invoke fetch before
+ * get_refs_list. If this happens, and if the transport helper doesn't
+ * support connect or stateless_connect, we need to invoke
+ * get_refs_list ourselves if we haven't already done so. Keep track of
+ * whether we have invoked get_refs_list.
+ */
+ unsigned get_refs_list_called : 1;
+
char *export_marks;
char *import_marks;
/* These go from remote name (as in "list") to private name */
@@ -652,17 +662,25 @@ static int connect_helper(struct transport *transport, const char *name,
return 0;
}
+static struct ref *get_refs_list_using_list(struct transport *transport,
+ int for_push);
+
static int fetch(struct transport *transport,
int nr_heads, struct ref **to_fetch)
{
struct helper_data *data = transport->data;
int i, count;
+ get_helper(transport);
+
if (process_connect(transport, 0)) {
do_take_over(transport);
return transport->vtable->fetch(transport, nr_heads, to_fetch);
}
+ if (!data->get_refs_list_called)
+ get_refs_list_using_list(transport, 0);
+
count = 0;
for (i = 0; i < nr_heads; i++)
if (!(to_fetch[i]->status & REF_STATUS_UPTODATE))
@@ -682,13 +700,9 @@ static int fetch(struct transport *transport,
set_helper_option(transport, "update-shallow", "true");
if (data->transport_options.filter_options.choice) {
- struct strbuf expanded_filter_spec = STRBUF_INIT;
- expand_list_objects_filter_spec(
- &data->transport_options.filter_options,
- &expanded_filter_spec);
- set_helper_option(transport, "filter",
- expanded_filter_spec.buf);
- strbuf_release(&expanded_filter_spec);
+ const char *spec = expand_list_objects_filter_spec(
+ &data->transport_options.filter_options);
+ set_helper_option(transport, "filter", spec);
}
if (data->transport_options.negotiation_tips)
@@ -840,6 +854,10 @@ static void set_common_push_options(struct transport *transport,
die(_("helper %s does not support --signed=if-asked"), name);
}
+ if (flags & TRANSPORT_PUSH_ATOMIC)
+ if (set_helper_option(transport, TRANS_OPT_ATOMIC, "true") != 0)
+ die(_("helper %s does not support --atomic"), name);
+
if (flags & TRANSPORT_PUSH_OPTIONS) {
struct string_list_item *item;
for_each_string_list_item(item, transport->push_options)
@@ -1059,6 +1077,19 @@ static int has_attribute(const char *attrs, const char *attr)
static struct ref *get_refs_list(struct transport *transport, int for_push,
const struct argv_array *ref_prefixes)
{
+ get_helper(transport);
+
+ if (process_connect(transport, for_push)) {
+ do_take_over(transport);
+ return transport->vtable->get_refs_list(transport, for_push, ref_prefixes);
+ }
+
+ return get_refs_list_using_list(transport, for_push);
+}
+
+static struct ref *get_refs_list_using_list(struct transport *transport,
+ int for_push)
+{
struct helper_data *data = transport->data;
struct child_process *helper;
struct ref *ret = NULL;
@@ -1066,13 +1097,9 @@ static struct ref *get_refs_list(struct transport *transport, int for_push,
struct ref *posn;
struct strbuf buf = STRBUF_INIT;
+ data->get_refs_list_called = 1;
helper = get_helper(transport);
- if (process_connect(transport, for_push)) {
- do_take_over(transport);
- return transport->vtable->get_refs_list(transport, for_push, ref_prefixes);
- }
-
if (data->push && for_push)
write_str_in_full(helper->in, "list for-push\n");
else
@@ -1119,7 +1146,6 @@ static struct ref *get_refs_list(struct transport *transport, int for_push,
}
static struct transport_vtable vtable = {
- 0,
set_helper_option,
get_refs_list,
fetch,