packfile: remove unused member from struct pack_entry

The sha1 member in struct pack_entry is unused except for one instance
in which we store a value in it.  Since nobody ever reads this value,
don't bother to compute it and remove the member from struct pack_entry.

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

2 files changed, 0 insertions, 2 deletions

diff --git a/cache.h b/cache.h
index 11a989319d..dd1a9c6094 100644
--- a/cache.h
+++ b/cache.h
@@ -1572,7 +1572,6 @@ struct pack_window {
 
 struct pack_entry {
 	off_t offset;
-	unsigned char sha1[20];
 	struct packed_git *p;
 };
 
diff --git a/packfile.c b/packfile.c
index 0bc67d0e00..5c219d0229 100644
--- a/packfile.c
+++ b/packfile.c
@@ -1833,7 +1833,6 @@ static int fill_pack_entry(const unsigned char *sha1,
 		return 0;
 	e->offset = offset;
 	e->p = p;
-	hashcpy(e->sha1, sha1);
 	return 1;
 }