$ git clone -n https://src.fedoraproject.org/rpms/python-marathon.git /var/lib/mock/f45-build-31485-652/root/chroot_tmpdir/scmroot/python-marathon
Cloning into '/var/lib/mock/f45-build-31485-652/root/chroot_tmpdir/scmroot/python-marathon'...
$ git fetch origin 70a4e65e4adf2f5583e2c8e264b125589a25c2be:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-marathon
 * [new ref]         70a4e65e4adf2f5583e2c8e264b125589a25c2be -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 70a4e65 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild