$ git clone -n https://src.fedoraproject.org/rpms/python-boolean.py.git /var/lib/mock/f45-build-29802-641/root/chroot_tmpdir/scmroot/python-boolean.py
Cloning into '/var/lib/mock/f45-build-29802-641/root/chroot_tmpdir/scmroot/python-boolean.py'...
$ git fetch origin 414af79fd95e0c86b13d56417278a80ee2196a5e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-boolean.py
 * [new ref]         414af79fd95e0c86b13d56417278a80ee2196a5e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 414af79 Conditionalize docs