$ git clone -n https://src.fedoraproject.org/rpms/python-datalad.git /var/lib/mock/f45-build-30232-643/root/chroot_tmpdir/scmroot/python-datalad
Cloning into '/var/lib/mock/f45-build-30232-643/root/chroot_tmpdir/scmroot/python-datalad'...
$ git fetch origin 00be7785a089130166fb1935d0d9012613606416:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-datalad
 * [new ref]         00be7785a089130166fb1935d0d9012613606416 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 00be778 Update to 1.6.2 upstream release