$ git clone -n https://src.fedoraproject.org/rpms/virtualbox-guest-additions.git /var/lib/mock/f33-build-461073-63659/root/chroot_tmpdir/scmroot/virtualbox-guest-additions
Cloning into '/var/lib/mock/f33-build-461073-63659/root/chroot_tmpdir/scmroot/virtualbox-guest-additions'...
$ git reset --hard ffb16faab29ea7bdd235ff859e6ab04e5c9b2bc1
HEAD is now at ffb16fa Update Virtualbox Guest Additions to 6.1.16a