int cmd_update_ref(int argc, const char **argv, const char *prefix)
{
const char *refname=NULL, *value=NULL, *oldval=NULL, *msg=NULL;
- struct ref_lock *lock;
unsigned char sha1[20], oldsha1[20];
int i, delete, ref_flags;
msg = argv[++i];
if (!*msg)
die("Refusing to perform update with empty message.");
- if (strchr(msg, '\n'))
- die("Refusing to perform update with \\n in message.");
continue;
}
if (!strcmp("-d", argv[i])) {
if (oldval && *oldval && get_sha1(oldval, oldsha1))
die("%s: not a valid old SHA1", oldval);
- lock = lock_any_ref_for_update(refname, oldval ? oldsha1 : NULL, ref_flags);
- if (!lock)
- die("%s: cannot lock the ref", refname);
- if (write_ref_sha1(lock, sha1, msg) < 0)
- die("%s: cannot update the ref", refname);
- return 0;
+ return update_ref(msg, refname, sha1, oldval ? oldsha1 : NULL,
+ ref_flags, DIE_ON_ERR);
}