#!/bin/bash

set -e

mkdir -p .mail

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