$ git clone -n https://src.fedoraproject.org/rpms/lxpanel.git /var/lib/mock/f41-build-846559-163101/root/chroot_tmpdir/scmroot/lxpanel
Cloning into '/var/lib/mock/f41-build-846559-163101/root/chroot_tmpdir/scmroot/lxpanel'...
$ git fetch origin b80c41e5e8dbdc3eb78c71ca8ce8b8833bb46094:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lxpanel
 * [new ref]         b80c41e5e8dbdc3eb78c71ca8ce8b8833bb46094 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b80c41e Update to the latest git