$ git clone -n https://src.fedoraproject.org/rpms/quotatool.git /var/lib/mock/f45-build-34228-682/root/chroot_tmpdir/scmroot/quotatool
Cloning into '/var/lib/mock/f45-build-34228-682/root/chroot_tmpdir/scmroot/quotatool'...
$ git fetch origin b8dfe44f12666e2b54b074d1a1c86f0d884f820d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/quotatool
 * [new ref]         b8dfe44f12666e2b54b074d1a1c86f0d884f820d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b8dfe44 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild