When connecting to a remote system, we need to know what hash algorithm
it will be using to talk to us. Add a hash_algo member to struct
transport and add a function to read this data from the transport
object.
Signed-off-by: brian m. carlson <sandals@xxxxxxxxxxxxxxxxxxxx>
---
transport.c | 8 ++++++++
transport.h | 8 ++++++++
2 files changed, 16 insertions(+)
diff --git a/transport.c b/transport.c
index 7d50c502ad..a016f41702 100644
--- a/transport.c
+++ b/transport.c
@@ -312,6 +312,7 @@ static struct ref *handshake(struct transport *transport, int for_push,
BUG("unknown protocol version");
}
data->got_remote_heads = 1;
+ transport->hash_algo = reader.hash_algo;
if (reader.line_peeked)
BUG("buffer must be empty at the end of handshake()");
@@ -988,9 +989,16 @@ struct transport *transport_get(struct remote *remote, const char *url)
ret->smart_options->receivepack = remote->receivepack;
}
+ ret->hash_algo = &hash_algos[GIT_HASH_SHA1];
+
return ret;
}
+const struct git_hash_algo *transport_get_hash_algo(struct transport *transport)
+{
+ return transport->hash_algo;
+}
+
int transport_set_option(struct transport *transport,
const char *name, const char *value)
{
diff --git a/transport.h b/transport.h
index 4298c855be..2a9f96c05a 100644
--- a/transport.h
+++ b/transport.h
@@ -115,6 +115,8 @@ struct transport {
struct git_transport_options *smart_options;
enum transport_family family;
+
+ const struct git_hash_algo *hash_algo;
};
#define TRANSPORT_PUSH_ALL (1<<0)
@@ -243,6 +245,12 @@ int transport_push(struct repository *repo,
const struct ref *transport_get_remote_refs(struct transport *transport,
const struct argv_array *ref_prefixes);
+/*
+ * Fetch the hash algorithm used by a remote.
+ *
+ * This can only be called after fetching the remote refs.
+ */
+const struct git_hash_algo *transport_get_hash_algo(struct transport *transport);
int transport_fetch_refs(struct transport *transport, struct ref *refs);
void transport_unlock_pack(struct transport *transport);
int transport_disconnect(struct transport *transport);
