$ git clone -n https://src.fedoraproject.org/rpms/sonivox.git /var/lib/mock/f45-build-36198-702/root/chroot_tmpdir/scmroot/sonivox
Cloning into '/var/lib/mock/f45-build-36198-702/root/chroot_tmpdir/scmroot/sonivox'...
$ git fetch origin 914faba4a33bc93e43d1b65f19565bb3591b9f91:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sonivox
 * [new ref]         914faba4a33bc93e43d1b65f19565bb3591b9f91 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 914faba Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild