Advertise the current hash algorithm in use by using the object-format capability as part of the ref advertisement. Signed-off-by: brian m. carlson <sandals@xxxxxxxxxxxxxxxxxxxx> --- builtin/receive-pack.c | 1 + upload-pack.c | 3 ++- 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c index d37ab776b3..a4159b559e 100644 --- a/builtin/receive-pack.c +++ b/builtin/receive-pack.c @@ -248,6 +248,7 @@ static void show_ref(const char *path, const struct object_id *oid) strbuf_addf(&cap, " push-cert=%s", push_cert_nonce); if (advertise_push_options) strbuf_addstr(&cap, " push-options"); + strbuf_addf(&cap, " object-format=%s", the_hash_algo->name); strbuf_addf(&cap, " agent=%s", git_user_agent_sanitized()); packet_write_fmt(1, "%s %s%c%s\n", oid_to_hex(oid), path, 0, cap.buf); diff --git a/upload-pack.c b/upload-pack.c index 902d0ad5e1..df6cb51db7 100644 --- a/upload-pack.c +++ b/upload-pack.c @@ -1005,7 +1005,7 @@ static int send_ref(const char *refname, const struct object_id *oid, struct strbuf symref_info = STRBUF_INIT; format_symref_info(&symref_info, cb_data); - packet_write_fmt(1, "%s %s%c%s%s%s%s%s%s agent=%s\n", + packet_write_fmt(1, "%s %s%c%s%s%s%s%s%s object-format=%s agent=%s\n", oid_to_hex(oid), refname_nons, 0, capabilities, (allow_unadvertised_object_request & ALLOW_TIP_SHA1) ? @@ -1015,6 +1015,7 @@ static int send_ref(const char *refname, const struct object_id *oid, stateless_rpc ? " no-done" : "", symref_info.buf, allow_filter ? " filter" : "", + the_hash_algo->name, git_user_agent_sanitized()); strbuf_release(&symref_info); } else {