run.sh

#!/bin/sh

cd /usr/src/app

if [ -z "${TO_MAIL}" ]
then
echo "TO_MAIL not set."
exit 1
fi

function preview {
        (>&2 echo "run twitter")
    python3 twitter_bot.py --nofailmessage --daydiff 2
    echo ""
        (>&2 echo "run telegram")
    python3 telegram_bot.py --nofailmessage --daydiff 2
    echo ""

        (>&2 echo "run twitter as doit")
    python3 twitter_bot.py --nofailmessage --daydiff 1 --doit
    echo ""
        (>&2 echo "run telegram as doit")
    python3 telegram_bot.py --nofailmessage --daydiff 1 --doit
    echo ""
}

PREVIEW_TEXT="$(preview)"

if [ -z "${PREVIEW_TEXT}" ]
then
    (>&2 echo "nothing to send")
    exit 0
fi

(cat << EOF
Subject: Programm-Info-Bot
Content-Type: text/plain; charset=UTF-8
To: ${TO_MAIL}

$(preview)
EOF
) | msmtp ${MSMTP_ARGUMENTS} ${TO_MAIL}