$ git clone -n https://src.fedoraproject.org/rpms/dymo-cups-drivers-lw5xx.git /var/lib/mock/f45-build-7872-370/root/chroot_tmpdir/scmroot/dymo-cups-drivers-lw5xx
Cloning into '/var/lib/mock/f45-build-7872-370/root/chroot_tmpdir/scmroot/dymo-cups-drivers-lw5xx'...
$ git fetch origin 9f46d5fb6db56b181f8ba02680fa7ed628e60af6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dymo-cups-drivers-lw5xx
 * [new ref]         9f46d5fb6db56b181f8ba02680fa7ed628e60af6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9f46d5f Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild