$ git clone -n https://gitee.com/zhang_dashuang/krb5.git /var/lib/mock/dist-an23-build-360976-71197/root/chroot_tmpdir/scmroot/krb5
Cloning into '/var/lib/mock/dist-an23-build-360976-71197/root/chroot_tmpdir/scmroot/krb5'...
$ git fetch origin 818399357d38c8abbb5f30851ce7ece65e911ee0:KOJI_FETCH_HEAD
From https://gitee.com/zhang_dashuang/krb5
 * [new ref]         818399357d38c8abbb5f30851ce7ece65e911ee0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8183993 update to 1.21.2