$ git clone -n https://src.fedoraproject.org/rpms/python-utils.git /var/lib/mock/f45-build-33555-670/root/chroot_tmpdir/scmroot/python-utils
Cloning into '/var/lib/mock/f45-build-33555-670/root/chroot_tmpdir/scmroot/python-utils'...
$ git fetch origin 8a3bdc49728e51557401f2eec49451cf93919604:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-utils
 * [new ref]         8a3bdc49728e51557401f2eec49451cf93919604 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8a3bdc4 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild