$ git clone -n https://src.fedoraproject.org/rpms/kwin.git /var/lib/mock/f41-build-846401-163068/root/chroot_tmpdir/scmroot/kwin
Cloning into '/var/lib/mock/f41-build-846401-163068/root/chroot_tmpdir/scmroot/kwin'...
$ git fetch origin ea2d71b4397e1406a8d6286185ccb724b01a633c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kwin
 * [new ref]         ea2d71b4397e1406a8d6286185ccb724b01a633c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ea2d71b Backport patches to use DRM render node for DMAbuf feedback (fixes rhbx#2270430)