$ git clone -n https://src.fedoraproject.org/rpms/python-resumable-urlretrieve.git /var/lib/mock/f45-build-32760-662/root/chroot_tmpdir/scmroot/python-resumable-urlretrieve
Cloning into '/var/lib/mock/f45-build-32760-662/root/chroot_tmpdir/scmroot/python-resumable-urlretrieve'...
$ git fetch origin 87d7c6e45984044c8cd2b8397d5933a59729b9ad:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-resumable-urlretrieve
 * [new ref]         87d7c6e45984044c8cd2b8397d5933a59729b9ad -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 87d7c6e Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild