$ git clone -n https://src.fedoraproject.org/rpms/python-jaraco-functools.git /var/lib/mock/f40-build-2203600-51930/root/chroot_tmpdir/scmroot/python-jaraco-functools
Cloning into '/var/lib/mock/f40-build-2203600-51930/root/chroot_tmpdir/scmroot/python-jaraco-functools'...
$ git fetch origin 801c14fc868b56f73e1bb8b653922431dc052a5d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-jaraco-functools
 * [new ref]         801c14fc868b56f73e1bb8b653922431dc052a5d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 801c14f update to 4.0.0 rhbz#2248009