clevo-keyboard/deb/module-name/DEBIAN/postinst

#!/bin/sh
# Copyright (c) 2020 TUXEDO Computers GmbH

set -e

module=module-name
version=x.x.x


NAME=${module}
PACKAGE_NAME=${NAME}

# From dkms standard postinst
# Copyright (C) 2002-2005 Flavio Stanchina
# Copyright (C) 2005-2006 Aric Cyr
# Copyright (C) 2007 Mario Limonciello
# Copyright (C) 2009 Alberto Milone
DEB_NAME=$(echo $PACKAGE_NAME | sed 's,_,-,')
CVERSION=`dpkg-query -W -f='${Version}' $DEB_NAME | awk -F "-" '{print $1}' | cut -d\: -f2`
ARCH=`dpkg --print-architecture`

dkms_configure () {
    for POSTINST in /usr/lib/dkms/common.postinst "/usr/share/$PACKAGE_NAME/postinst"; do
        if [ -f "$POSTINST" ]; then
            "$POSTINST" "$NAME" "$CVERSION" "/usr/share/$PACKAGE_NAME" "$ARCH" "$2"
            return $?
        fi
        echo "WARNING: $POSTINST does not exist." >&2
    done
    echo "ERROR: DKMS version is too old and $PACKAGE_NAME was not" >&2
    echo "built with legacy DKMS support." >&2
    echo "You must either rebuild $PACKAGE_NAME with legacy postinst" >&2
    echo "support or upgrade DKMS to a more current version." >&2
    return 1
}

# End dkms standard postinst

case "$1" in
    configure)
        # Run standard dkms build/install for all kernels with headers installed
        dkms_configure

        # Attempt to (re-)load module immediately, fail silently if not possible at this stage

        # Also stop tccd service if running before
        echo "Check tccd running status"
        if systemctl is-active --quiet tccd.service; then
            TCCD_RUNNING=true
        else
            TCCD_RUNNING=false
        fi

        if $TCCD_RUNNING; then
            echo "Stop tccd temporarily"
            systemctl stop tccd 2>&1 || true
        fi

        echo "(Re)load modules if possible"
        rmmod tuxedo_io > /dev/null 2>&1 || true
        rmmod uniwill_wmi > /dev/null 2>&1 || true
        rmmod clevo_wmi > /dev/null 2>&1 || true
        rmmod clevo_acpi > /dev/null 2>&1 || true
        rmmod tuxedo_keyboard > /dev/null 2>&1 || true
        
        modprobe tuxedo_keyboard > /dev/null 2>&1 || true
        modprobe uniwill_wmi > /dev/null 2>&1 || true
        modprobe clevo_wmi > /dev/null 2>&1 || true
        modprobe clevo_acpi > /dev/null 2>&1 || true
        modprobe tuxedo_io > /dev/null 2>&1 || true

        # Restart tccd after reload if it was running
        if $TCCD_RUNNING; then
            echo "Start tccd again"
            systemctl start tccd 2>&1 || true
        fi

        # Install default config if none exist already
        if [ ! -f "/etc/modprobe.d/tuxedo_keyboard.conf" ]; then
            cp -f /usr/share/tuxedo-keyboard/tuxedo_keyboard.conf /etc/modprobe.d/tuxedo_keyboard.conf
        fi

    ;;

    abort-upgrade|abort-remove|abort-deconfigure)
    ;;

    *)
        echo "postinst called with unknown argument \`$1'" >&2
        exit 1
    ;;
esac

exit 0