pkt-line: add a member for hash algorithm

Add a member for the hash algorithm currently in use to the packet
reader so it can parse references correctly.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/pkt-line.h b/pkt-line.h
index fef3a0d..4cd9435 100644
--- a/pkt-line.h
+++ b/pkt-line.h
@@ -166,6 +166,9 @@ struct packet_reader {
 
 	unsigned use_sideband : 1;
 	const char *me;
+
+	/* hash algorithm in use */
+	const struct git_hash_algo *hash_algo;
 };
 
 /*