# Pastebin cbCrbAJm
pkg_postinst_${PN}() {
    chown foo:foo $D${datadir}/xattrtest/xattrtest
    # Force setfacl to run on the target, not at image creation
    if [ x"$D" = "x" ]; then
        setfacl -m u:bar:r-- $D${datadir}/xattrtest/xattrtest
    else
        exit 1
    fi
}