changedetection.io/debian/postinst

#!/bin/sh
set -e

# Determine Python version
PYTHON_VERSION=$(ls /usr/bin/python3.1[0-2] | head -n1 | xargs basename)

# Create 'changedetio' user if it doesn't exist
if ! id "changedetio" >/dev/null 2>&1; then
    adduser --system --group --no-create-home changedetio
fi

# Set ownership of the installation directory
chown -R changedetio:changedetio /opt/changedetection.io

# Update the systemd service file if necessary
sed -i "s|ExecStart=.*|ExecStart=/opt/changedetection.io/bin/$PYTHON_VERSION -m changedetectionio|" /lib/systemd/system/changedetection.io.service

# Enable and start the service
systemctl daemon-reload
systemctl enable changedetection.io.service
systemctl start changedetection.io.service

exit 0