#!/bin/sh -e

PROG="${0##*/}"
tmpdir=
exit_handler()
{
        local rc=$?
        trap - EXIT
        [ -z "$tmpdir" ] ||
                rm -rf -- "$tmpdir"
        exit $rc
}

trap exit_handler HUP PIPE INT QUIT TERM EXIT
tmpdir="$(mktemp -dt "$PROG.XXXXXXXX")"

cat >"$tmpdir/pkg.tar"
hsh "$@" "$tmpdir/pkg.tar"