builtin/verify-commit: convert to struct object_id

This is a prerequisite to convert to lookup_commit, which we will
convert later.

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

diff --git a/builtin/verify-commit.c b/builtin/verify-commit.c
index 38bedf8f9fe6a718af704d8be16b7787881f8c11..a5db1c427f55f8c636e7d1aadcf1499add04e81d 100644 (file)
--- a/builtin/verify-commit.c
+++ b/builtin/verify-commit.c
@@ -18,14 +18,14 @@ static const char * const verify_commit_usage[] = {
                NULL
 };
 
-static int run_gpg_verify(const unsigned char *sha1, const char *buf, unsigned long size, unsigned flags)
+static int run_gpg_verify(const struct object_id *oid, const char *buf, unsigned long size, unsigned flags)
 {
        struct signature_check signature_check;
        int ret;
 
        memset(&signature_check, 0, sizeof(signature_check));
 
-       ret = check_commit_signature(lookup_commit(sha1), &signature_check);
+       ret = check_commit_signature(lookup_commit(oid->hash), &signature_check);
        print_signature_buffer(&signature_check, flags);
 
        signature_check_clear(&signature_check);
@@ -35,22 +35,22 @@ static int run_gpg_verify(const unsigned char *sha1, const char *buf, unsigned l
 static int verify_commit(const char *name, unsigned flags)
 {
        enum object_type type;
-       unsigned char sha1[20];
+       struct object_id oid;
        char *buf;
        unsigned long size;
        int ret;
 
-       if (get_sha1(name, sha1))
+       if (get_oid(name, &oid))
                return error("commit '%s' not found.", name);
 
-       buf = read_sha1_file(sha1, &type, &size);
+       buf = read_sha1_file(oid.hash, &type, &size);
        if (!buf)
                return error("%s: unable to read file.", name);
        if (type != OBJ_COMMIT)
                return error("%s: cannot verify a non-commit object of type %s.",
                                name, typename(type));
 
-       ret = run_gpg_verify(sha1, buf, size, flags);
+       ret = run_gpg_verify(&oid, buf, size, flags);
 
        free(buf);
        return ret;