commit: convert parts to struct object_id

Convert struct commit_graft and necessary local parts of commit.c.
Also, convert several constants based on the hex length of an SHA-1 to
use GIT_SHA1_HEXSZ, and move several magic constants into variables for
readability.

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

1 files changed, 4 insertions, 4 deletions

diff --git a/shallow.c b/shallow.c
index f5e67204a4..24872034ef 100644
--- a/shallow.c
+++ b/shallow.c
@@ -31,7 +31,7 @@ int register_shallow(const unsigned char *sha1)
 		xmalloc(sizeof(struct commit_graft));
 	struct commit *commit = lookup_commit(sha1);
 
-	hashcpy(graft->sha1, sha1);
+	hashcpy(graft->oid.hash, sha1);
 	graft->nr_parent = -1;
 	if (commit && commit->object.parsed)
 		commit->parents = NULL;
@@ -159,11 +159,11 @@ struct write_shallow_data {
 static int write_one_shallow(const struct commit_graft *graft, void *cb_data)
 {
 	struct write_shallow_data *data = cb_data;
-	const char *hex = sha1_to_hex(graft->sha1);
+	const char *hex = oid_to_hex(&graft->oid);
 	if (graft->nr_parent != -1)
 		return 0;
 	if (data->flags & SEEN_ONLY) {
-		struct commit *c = lookup_commit(graft->sha1);
+		struct commit *c = lookup_commit(graft->oid.hash);
 		if (!c || !(c->object.flags & SEEN)) {
 			if (data->flags & VERBOSE)
 				printf("Removing %s from .git/shallow\n",
@@ -282,7 +282,7 @@ static int advertise_shallow_grafts_cb(const struct commit_graft *graft, void *c
 {
 	int fd = *(int *)cb;
 	if (graft->nr_parent == -1)
-		packet_write(fd, "shallow %s\n", sha1_to_hex(graft->sha1));
+		packet_write(fd, "shallow %s\n", oid_to_hex(&graft->oid));
 	return 0;
 }