$ git clone -n https://src.fedoraproject.org/rpms/python-hyperframe.git /var/lib/mock/f45-build-31031-649/root/chroot_tmpdir/scmroot/python-hyperframe
Cloning into '/var/lib/mock/f45-build-31031-649/root/chroot_tmpdir/scmroot/python-hyperframe'...
$ git fetch origin c2c093e9f64d278947af44dae14630e1eabbeff2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-hyperframe
 * [new ref]         c2c093e9f64d278947af44dae14630e1eabbeff2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c2c093e Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild