[PATCH v2 20/53] revision: convert prepare_show_merge to struct object_id

[brian m. carlson]

This is a caller of lookup_commit_or_die, which we will convert later
on.

Signed-off-by: brian m. carlson <sand...@crustytoothpaste.net>
---
 revision.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/revision.c b/revision.c
index 2b56c3baf..945367034 100644
--- a/revision.c
+++ b/revision.c
@@ -1389,16 +1389,16 @@ static void prepare_show_merge(struct rev_info *revs)
 {
        struct commit_list *bases;
        struct commit *head, *other;
-       unsigned char sha1[20];
+       struct object_id oid;
        const char **prune = NULL;
        int i, prune_num = 1; /* counting terminating NULL */
 
-       if (get_sha1("HEAD", sha1))
+       if (get_oid("HEAD", &oid))
                die("--merge without HEAD?");
-       head = lookup_commit_or_die(sha1, "HEAD");
-       if (get_sha1("MERGE_HEAD", sha1))
+       head = lookup_commit_or_die(oid.hash, "HEAD");
+       if (get_oid("MERGE_HEAD", &oid))
                die("--merge without MERGE_HEAD?");
-       other = lookup_commit_or_die(sha1, "MERGE_HEAD");
+       other = lookup_commit_or_die(oid.hash, "MERGE_HEAD");
        add_pending_object(revs, &head->object, "HEAD");
        add_pending_object(revs, &other->object, "MERGE_HEAD");
        bases = get_merge_bases(head, other);