#!/bin/sh

set -e



# Versions up to 4.20.0.0-2 registered these diversions in preinst, but
# attempted to remove the diverted-to paths (the paths ending in .old) in
# postinst.  Remove the resulting stale diversions after the old package's
# files have been replaced during an upgrade.
remove_legacy_diversion()
{
    original_path="$1"
    diverted_path="$2"

    if [ "$(dpkg-divert --listpackage "$original_path")" = ukui-screensaver ]; then
        dpkg-divert \
            --package ukui-screensaver \
            --divert "$diverted_path" \
            --rename \
            --remove "$original_path"
    fi
}

remove_legacy_diversion \
    /usr/share/lightdm/lightdm.conf.d/95-ukui-greeter.conf \
    /usr/share/lightdm/lightdm.conf.d/95-ukui-greeter.conf.old

# The old preinst quoted the diverted-to argument but not the original path.
# Consequently, only the diverted-to path retained this trailing space.
remove_legacy_diversion \
    /usr/lib/lightdm/lightdm-session-setup.sh \
    "/usr/lib/lightdm/lightdm-session-setup.sh .old"

remove_legacy_diversion \
    /usr/share/xgreeters/ukui-greeter.desktop \
    /usr/share/xgreeters/ukui-greeter.desktop.old

if [ -x /usr/share/kylin-system-updater/kylin-reboot-required ]; then
    #执行请求重启提示
    /usr/share/kylin-system-updater/kylin-reboot-required
fi