foodoord/debian/DEBIAN/postinst

#!/bin/bash

echo "Creating group and users.."
groupadd foodoor
useradd -M -d /var/lib/foodoor/close -G foodoor -s /bin/sh close
useradd -M -d /var/lib/foodoor/open -G foodoor -s /bin/sh open
useradd -M -d /var/lib/foodoor/door -G foodoor -s /bin/sh door

echo "Chown homes"
for u in close open door; do
    groupadd ${u}
    chown ${u}:${u} /var/lib/foodoor/${u}
done

echo "Chmod foodoor"
chmod 755 /var/lib/foodoor

echo "Create /state"
touch /state
chown root:foodoor /state
chmod 664 /state

echo "##################"
while [ "$prompt" != "oben" ] && [ "$prompt" != "unten" ]; do
    read -r -p "Sind wir oben oder unten? (oben, unten): " prompt
done
echo "##################"

echo "Installing dependencies via pip: pifacecommon pifacedigitalio"
pip install pifacecommon pifacedigitalio

echo "Enabling and starting systemd-Services"
systemctl daemon-reload
systemctl enable "foodoord@$prompt"
systemctl restart "foodoord@$prompt"
systemctl status "foodoord@$prompt"