#!/bin/sh
# postinst script for nvidia-kernel-common-550
#
# see: dh_installdeb(1)
#
# Copyright (C) 2007-2008 Mario Limonciello
# Copyright (C) 2009 Canonical Ltd
# Authors: Alberto Milone
set -e


# Check the existence of a kernel named as $1
_is_kernel_name_correct() {
    CORRECT="no"
    KERNEL_NAME=$1

    for kernel in /boot/config-*; do
        [ -f "$kernel" ] || continue
        KERNEL=${kernel#*-}
        if [ "${KERNEL}" = "${KERNEL_NAME}" ]; then
            CORRECT="yes"
            break
        fi
    done

    echo $CORRECT
}

# Get the most recent kernel on Debian based systems. This keeps
# into account both the version and the ABI. If the current kernel
# is the most recent kernel then the function will print a null string.
_get_newest_kernel_debian() {
    NEWEST_KERNEL=
    NEWEST_VERSION=
    NEWEST_ABI=

    for kernel in /boot/config-*; do
        [ -f "$kernel" ] || continue
        KERNEL=${kernel#*-}
        KERNEL_VERSION=${KERNEL%-*}
        ABI=${KERNEL#*-}
        ABI=${ABI%-*}

        if [ -z "$NEWEST_KERNEL" ]; then
            # The 1st time get a version which is bigger than $1
            COMPARE_TO=$1
        else
            # Get the biggest version
            COMPARE_TO="$NEWEST_VERSION-$NEWEST_ABI"
        fi

        # if $kernel is greater than $COMPARE_TO
        if [ `dpkg --compare-versions "$KERNEL_VERSION-$ABI" gt "$COMPARE_TO" && echo "yes" ||               echo "no"` = "yes" ]; then
            NEWEST_KERNEL=$KERNEL
            NEWEST_VERSION=$KERNEL_VERSION
            NEWEST_ABI=$ABI
        fi
    done

    echo "$NEWEST_KERNEL"
}


get_newest_kernel() {
    NEWEST_KERNEL=
    # Try Debian first as rpm can be installed in Debian based distros
    if [ -e /usr/bin/dpkg ]; then
        # If DEB based
        CURRENT_KERNEL=$1
        CURRENT_VERSION=${CURRENT_KERNEL%-*}
        CURRENT_ABI=${CURRENT_KERNEL#*-}
        CURRENT_FLAVOUR=${CURRENT_ABI#*-}
        CURRENT_ABI=${CURRENT_ABI%-*}
        NEWEST_KERNEL=$(_get_newest_kernel_debian "$CURRENT_VERSION-$CURRENT_ABI")
    fi

    # Make sure that kernel name that we extracted corresponds to an installed
    # kernel
    if [ -n "$NEWEST_KERNEL" ] && [ `_is_kernel_name_correct $NEWEST_KERNEL` = "no" ]; then
        NEWEST_KERNEL=
    fi

    echo $NEWEST_KERNEL
}

case "$1" in
    configure)
        CURRENT_KERNEL=$(uname -r)
        NEWEST_KERNEL=$(get_newest_kernel "$CURRENT_KERNEL")

        # Update initramfs so that the blacklist ends up in the initramfs
        if [ -x /usr/sbin/update-initramfs ]; then
            /usr/sbin/update-initramfs -u

            if [ -n "$NEWEST_KERNEL" ] && [ ${CURRENT_KERNEL} != ${NEWEST_KERNEL} ]; then
                # This can fail when dealing with a chroot see LP: #556653
                /usr/sbin/update-initramfs -u -k $CURRENT_KERNEL
            fi
        fi
        ;;

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

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

# Automatically added by dh_installdeb/13.14.1ubuntu5
dpkg-maintscript-helper rm_conffile /etc/modprobe.d/nvidia-graphics-drivers.conf 390.48-0ubuntu4\~ -- "$@"
# End automatically added section
# Automatically added by dh_installsystemd/13.14.1ubuntu5
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	# The following line should be removed in trixie or trixie+1
	deb-systemd-helper unmask 'nvidia-hibernate.service' >/dev/null || true

	# was-enabled defaults to true, so new installations run enable.
	if deb-systemd-helper --quiet was-enabled 'nvidia-hibernate.service'; then
		# Enables the unit on first installation, creates new
		# symlinks on upgrades if the unit file has changed.
		deb-systemd-helper enable 'nvidia-hibernate.service' >/dev/null || true
	else
		# Update the statefile to add new symlinks (if any), which need to be
		# cleaned up on purge. Also remove old symlinks.
		deb-systemd-helper update-state 'nvidia-hibernate.service' >/dev/null || true
	fi
fi
# End automatically added section
# Automatically added by dh_installsystemd/13.14.1ubuntu5
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	# The following line should be removed in trixie or trixie+1
	deb-systemd-helper unmask 'nvidia-resume.service' >/dev/null || true

	# was-enabled defaults to true, so new installations run enable.
	if deb-systemd-helper --quiet was-enabled 'nvidia-resume.service'; then
		# Enables the unit on first installation, creates new
		# symlinks on upgrades if the unit file has changed.
		deb-systemd-helper enable 'nvidia-resume.service' >/dev/null || true
	else
		# Update the statefile to add new symlinks (if any), which need to be
		# cleaned up on purge. Also remove old symlinks.
		deb-systemd-helper update-state 'nvidia-resume.service' >/dev/null || true
	fi
fi
# End automatically added section
# Automatically added by dh_installsystemd/13.14.1ubuntu5
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	# The following line should be removed in trixie or trixie+1
	deb-systemd-helper unmask 'nvidia-suspend.service' >/dev/null || true

	# was-enabled defaults to true, so new installations run enable.
	if deb-systemd-helper --quiet was-enabled 'nvidia-suspend.service'; then
		# Enables the unit on first installation, creates new
		# symlinks on upgrades if the unit file has changed.
		deb-systemd-helper enable 'nvidia-suspend.service' >/dev/null || true
	else
		# Update the statefile to add new symlinks (if any), which need to be
		# cleaned up on purge. Also remove old symlinks.
		deb-systemd-helper update-state 'nvidia-suspend.service' >/dev/null || true
	fi
fi
# End automatically added section