$ git clone -n https://src.fedoraproject.org/rpms/python-quantities.git /var/lib/mock/f45-build-32703-661/root/chroot_tmpdir/scmroot/python-quantities
Cloning into '/var/lib/mock/f45-build-32703-661/root/chroot_tmpdir/scmroot/python-quantities'...
$ git fetch origin bd3d15516d5a011a465dd91aac618c6d76e88415:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-quantities
 * [new ref]         bd3d15516d5a011a465dd91aac618c6d76e88415 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bd3d155 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild