$ git clone -n https://src.fedoraproject.org/rpms/python-scripttest.git /var/lib/mock/f45-build-32929-665/root/chroot_tmpdir/scmroot/python-scripttest
Cloning into '/var/lib/mock/f45-build-32929-665/root/chroot_tmpdir/scmroot/python-scripttest'...
$ git fetch origin 60ff4fdf0837978d981d318791fc75e6feaf82de:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-scripttest
 * [new ref]         60ff4fdf0837978d981d318791fc75e6feaf82de -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 60ff4fd Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild