#! /bin/sh
set -e

DIR="$HOME/bsmtp"
FILE="riva.debian.net"
TRANSIT="$FILE.transit"

cd "$DIR" || exit 0

# Is there anything to send?
[ -s "$FILE" ] || exit 0

lockfile-create "$FILE"
lockfile-touch "$FILE" &
TOUCH="$!"
trap 'kill "$TOUCH"; lockfile-remove "$FILE"' EXIT ERR HUP INT QUIT TERM

if [ -f "$TRANSIT" ]; then
    cat "$FILE" >> "$TRANSIT" && rm -f "$FILE"
else
    mv -f "$FILE" "$TRANSIT"
fi

cat "$TRANSIT"
rm -f "$TRANSIT"

exit 0