#!/bin/sh
set -eu

# Stop the daemon gracefully, and set up firewall rules to prevent network
# leaks during upgrade.
if which systemctl >/dev/null 2>&1 && systemctl is-system-running | grep -vq offline >/dev/null 2>&1; then
    if systemctl status mullvad-daemon >/dev/null 2>&1; then
        mullvad-setup prepare-restart || true
        systemctl stop mullvad-daemon.service
        systemctl disable mullvad-daemon.service
        systemctl disable mullvad-early-boot-blocking.service || true
        cp /var/log/mullvad-vpn/daemon.log /var/log/mullvad-vpn/old-install-daemon.log \
            || echo "Failed to copy old daemon log"
    fi
fi

# Clear the cached API IP address.
rm -f /var/cache/mullvad-vpn/api-ip-address.txt