$ git clone -n https://src.fedoraproject.org/rpms/ocrad.git /var/lib/mock/f45-build-20848-574/root/chroot_tmpdir/scmroot/ocrad
Cloning into '/var/lib/mock/f45-build-20848-574/root/chroot_tmpdir/scmroot/ocrad'...
$ git fetch origin a60e0104d4dca96b492c7bb21cff401188c28fa5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocrad
 * [new ref]         a60e0104d4dca96b492c7bb21cff401188c28fa5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a60e010 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild