$ git clone -n https://src.fedoraproject.org/rpms/quarry.git /var/lib/mock/f45-build-34196-680/root/chroot_tmpdir/scmroot/quarry
Cloning into '/var/lib/mock/f45-build-34196-680/root/chroot_tmpdir/scmroot/quarry'...
$ git fetch origin 0b62f816d6ba482eaba42cecbe956ad2998d8b7e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/quarry
 * [new ref]         0b62f816d6ba482eaba42cecbe956ad2998d8b7e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0b62f81 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild