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-rw-r--r--transport.c16
1 files changed, 15 insertions, 1 deletions
diff --git a/transport.c b/transport.c
index efecb65258..5342f1e2ec 100644
--- a/transport.c
+++ b/transport.c
@@ -1049,11 +1049,12 @@ const struct ref *transport_get_remote_refs(struct transport *transport)
int transport_fetch_refs(struct transport *transport, const struct ref *refs)
{
int rc;
- int nr_heads = 0, nr_alloc = 0;
+ int nr_heads = 0, nr_alloc = 0, nr_refs = 0;
const struct ref **heads = NULL;
const struct ref *rm;
for (rm = refs; rm; rm = rm->next) {
+ nr_refs++;
if (rm->peer_ref &&
!hashcmp(rm->peer_ref->old_sha1, rm->old_sha1))
continue;
@@ -1061,6 +1062,19 @@ int transport_fetch_refs(struct transport *transport, const struct ref *refs)
heads[nr_heads++] = rm;
}
+ if (!nr_heads) {
+ /*
+ * When deepening of a shallow repository is requested,
+ * then local and remote refs are likely to still be equal.
+ * Just feed them all to the fetch method in that case.
+ * This condition shouldn't be met in a non-deepening fetch
+ * (see builtin-fetch.c:quickfetch()).
+ */
+ heads = xmalloc(nr_refs * sizeof(*heads));
+ for (rm = refs; rm; rm = rm->next)
+ heads[nr_heads++] = rm;
+ }
+
rc = transport->fetch(transport, nr_heads, heads);
free(heads);
return rc;