$ git clone -n https://src.fedoraproject.org/rpms/python-datalad.git /var/lib/mock/f41-build-side-2-python-2717415-30585/root/chroot_tmpdir/scmroot/python-datalad
Cloning into '/var/lib/mock/f41-build-side-2-python-2717415-30585/root/chroot_tmpdir/scmroot/python-datalad'...
$ git fetch origin 3d3966853f9815494f8d6f3c0a7984daf1b73b41:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-datalad
 * [new ref]         3d3966853f9815494f8d6f3c0a7984daf1b73b41 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3d39668 Update to 1.1.3 upstream release