$ git clone -n https://src.fedoraproject.org/rpms/rubypick.git /var/lib/mock/f45-build-35409-695/root/chroot_tmpdir/scmroot/rubypick
Cloning into '/var/lib/mock/f45-build-35409-695/root/chroot_tmpdir/scmroot/rubypick'...
$ git fetch origin 202f71147901405845e76a10efd35bf73291af32:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubypick
 * [new ref]         202f71147901405845e76a10efd35bf73291af32 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 202f711 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild