Detect when the server doesn't support our hash algorithm and abort.
If the server does support our hash, advertise it as part of our
capabilities.
Signed-off-by: brian m. carlson <sandals@xxxxxxxxxxxxxxxxxxxx>
---
send-pack.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/send-pack.c b/send-pack.c
index 0abee22283..02aefcb08e 100644
--- a/send-pack.c
+++ b/send-pack.c
@@ -363,6 +363,7 @@ int send_pack(struct send_pack_args *args,
int atomic_supported = 0;
int use_push_options = 0;
int push_options_supported = 0;
+ int object_format_supported = 0;
unsigned cmds_sent = 0;
int ret;
struct async demux;
@@ -389,6 +390,9 @@ int send_pack(struct send_pack_args *args,
if (server_supports("push-options"))
push_options_supported = 1;
+ if (!server_supports_hash(the_hash_algo->name, &object_format_supported))
+ die(_("the receiving end does not support this repository's hash algorithm"));
+
if (args->push_cert != SEND_PACK_PUSH_CERT_NEVER) {
int len;
push_cert_nonce = server_feature_value("push-cert", &len);
@@ -429,6 +433,8 @@ int send_pack(struct send_pack_args *args,
strbuf_addstr(&cap_buf, " atomic");
if (use_push_options)
strbuf_addstr(&cap_buf, " push-options");
+ if (object_format_supported)
+ strbuf_addf(&cap_buf, " object-format=%s", the_hash_algo->name);
if (agent_supported)
strbuf_addf(&cap_buf, " agent=%s", git_user_agent_sanitized());
