$ git clone -n https://src.fedoraproject.org/rpms/openvpn.git /var/lib/mock/f40-build-2300552-56724/root/chroot_tmpdir/scmroot/openvpn
Cloning into '/var/lib/mock/f40-build-2300552-56724/root/chroot_tmpdir/scmroot/openvpn'...
$ git fetch origin cb66e9e8da3096b7119b29e167b4f8e0a0510937:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/openvpn
 * [new ref]         cb66e9e8da3096b7119b29e167b4f8e0a0510937 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cb66e9e Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild