#!/bin/bash

set -e

mkdir -p ${MDA_DIR}

# TODO: use flock to lock the file, to prevent atomic writes.
echo "From ${1}" >> ${MDA_DIR}/.tmp-${1}
cat >> ${MDA_DIR}/.tmp-${1}
X=$?
if [ -e ${MDA_DIR}/.tmp-${1} ]; then
	mv ${MDA_DIR}/.tmp-${1} ${MDA_DIR}/${1}
fi
exit $X