#!/bin/sh

after_upgrade() {
    :

    systemctl --system daemon-reload >/dev/null || true
    debsystemctl=$(command -v deb-systemd-invoke || echo systemctl)
    if ! systemctl is-enabled pve-fake-subscription.timer >/dev/null
    then
    : # Ensure this if-clause is not empty. If it were empty, and we had an 'else', then it is an error in shell syntax
        systemctl preset pve-fake-subscription.timer >/dev/null || true
        $debsystemctl start pve-fake-subscription.timer >/dev/null || true
    else
        $debsystemctl restart pve-fake-subscription.timer >/dev/null || true
    fi

    pve-fake-subscription
}

after_install() {
    :

    systemctl --system daemon-reload >/dev/null || true
    debsystemctl=$(command -v deb-systemd-invoke || echo systemctl)
    systemctl preset pve-fake-subscription.timer >/dev/null || true
    $debsystemctl start pve-fake-subscription.timer >/dev/null || true

    pve-fake-subscription
}

if { [ "${1}" = "configure" ] && [ -z "${2}" ]; } || [ "${1}" = "abort-remove" ]; then
    # "after install" here
    # "abort-remove" happens when the pre-removal script failed.
    #   In that case, this script, which should be idemptoent, is run
    #   to ensure a clean roll-back of the removal.
    after_install
elif [ "${1}" = "configure" ] && [ -n "${2}" ]; then
    upgradeFromVersion="${2}"
    # "after upgrade" here
    # NOTE: This slot is also used when deb packages are removed,
    # but their config files aren't, but a newer version of the
    # package is installed later, called "Config-Files" state.
    # basically, that still looks a _lot_ like an upgrade to me.
    after_upgrade "${2}"
elif echo "${1}" | grep -E -q "(abort|fail)"; then
    echo "Failed to install before the post-installation script was run." >&2
    exit 1
fi