$ git clone -n https://src.fedoraproject.org/rpms/WindowMaker.git /var/lib/mock/f40-build-749731-114562/root/chroot_tmpdir/scmroot/WindowMaker
Cloning into '/var/lib/mock/f40-build-749731-114562/root/chroot_tmpdir/scmroot/WindowMaker'...
$ git fetch origin 9a821324e2d48a64ec59f1fd64de481c7ef45a4a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/WindowMaker
 * [new ref]         9a821324e2d48a64ec59f1fd64de481c7ef45a4a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9a82132 Update to 0.96.0; migrate to SPDX license identifier