#!/bin/sh
set -eu

PROCMAIL=$HOME/.etc/mailfilter/procmail/procmailrc
FORMAIL="formail -I 'X-Resubmitted: $(date -R)'"

if [ -z "${1:-}" ]; then
  $FORMAIL | exec $PROCMAIL
else
  $FORMAIL "$1" | $PROCMAIL && rm -f "$1"
fi

exit 0