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transport: add a hash algorithm member 

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@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
brian m. carlson 2020-05-25 19:58:55 +00:00 committed by Junio C Hamano
parent 9a9f0d3fc0
commit 7c97af4d64
2 changed files with 16 additions and 0 deletions
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8
transport.c
View File

@ -311,6 +311,7 @@ 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()");
@ -996,9 +997,16 @@ 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)
{

8
transport.h
View File

@ -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);