post_install() {
    echo "Creating menus and file associations, please wait..."
    
    # set variable to configure the actions of the postinst-script from codeweavers
    action="configure"
    oldver=""
    
    # -- start of code from codeweavers postinst script --
    CX_ROOT="/opt/cxoffice"
    export CX_ROOT

    if [ "$mode" = "install" ]
    then
        if [ -z "$CX_PRODUCT_ID" ]
        then
            CX_PRODUCT_ID="cxoffice"
        fi
    elif [ -f "$CX_ROOT/.productid" ]
    then
        CX_PRODUCT_ID=`cat "$CX_ROOT/.productid"`
    else
        CX_PRODUCT_ID="cxoffice"
    fi
    productid="$CX_PRODUCT_ID"
    package="deb:$DPKG_MAINTSCRIPT_PACKAGE"

    if [ "$action" = "configure" ]
    then
        if [ -n "$oldver" -o -f "$CX_ROOT/etc/$productid.conf" ]
        then
            mode="upgrade"
        else
            mode="install"
        fi

    # This script expects package, CX_ROOT, productid, mode and oldver to be set


    builtin_product_id="cxoffice"
    if [ "$mode" = "install" ]
    then
        if [ "$productid" != "$builtin_product_id" ]
        then
            echo "$productid" >"$CX_ROOT/.productid"
        else
            rm -f "$CX_ROOT/.productid"
        fi
    fi

    uid=`perl -e 'print $>'`

    unset HOME

    # These files are no longer needed (were used by version 4.x)
    if [ "$uid" = "0" -a -f "/sbin/conf.d/SuSEconfig.zz$productid-vfolders" ]
    then
        rm -f "/sbin/conf.d/SuSEconfig.zz$productid-vfolders"
    fi
    rm -f "$CX_ROOT/lib/xml/libperl.so.5.8"

    # Icons have moved to share/icons
    rm -f "$CX_ROOT"/support/*.png

    # We don't need the 2007 DST bottle hook anymore
    rm -f "$CX_ROOT"/support/scripts.d/??.dst2007patch
    rmdir "$CX_ROOT"/support/scripts.d 2>/dev/null || true

    # Try to set up the security context if possible (especially for Fedora).
    # Do so before potentially trying to upgrade bottles.
    setup_selinux()
    {
        # Note that this may or may not work depending on obscure system settings.
        # So try chcon on the landmark file and don't abort if that fails.
        if chcon system_u:object_r:bin_t:s0 "$CX_ROOT"/bin/cxmenu
        then
            ( cd "$CX_ROOT"/bin && find * -type d -prune -o -type f \
                -exec chcon system_u:object_r:bin_t:s0 {} \; )
            ( cd "$CX_ROOT"/lib && find * -type d -prune -o -type f \
                -exec chcon system_u:object_r:lib_t:s0 {} \; )
            if chcon system_u:object_r:wine_exec_t:s0 "$CX_ROOT"/bin/wine-preloader
            then
                chcon system_u:object_r:wine_exec_t:s0 "$CX_ROOT"/bin/wineloader
            fi
            if chcon system_u:object_r:textrel_shlib_t:s0 "$CX_ROOT"/lib/wine/ntdll.dll.so
            then
                setype="textrel_shlib_t"
            else
                setype="lib_t"
            fi
            ( cd "$CX_ROOT"/lib/wine && find * -type d -prune -o -type f \
                -exec chcon system_u:object_r:$setype:s0 {} \; )
        fi
    }
    if [ -z "$CX_LOG" ]
    then
        setup_selinux 2>/dev/null
    else
        setup_selinux
    fi


    # Update wineserver symlink as appropriate
    if [ -L "$CX_ROOT/bin/wineserver" ]
    then
        rm "$CX_ROOT/bin/wineserver"
        if "$CX_ROOT/bin/wineserver64" -v >/dev/null 2>/dev/null
        then
            ln -s wineserver64 "$CX_ROOT/bin/wineserver"
        else
            ln -s wineserver32 "$CX_ROOT/bin/wineserver"
        fi
    fi


    # Create or upgrade the configuration file and more
    if [ -f "$CX_ROOT/.uninstalled" ]
    then
        rm -f "$CX_ROOT/.uninstalled"
        install_bottles="--install-bottles"
    else
        install_bottles=""
    fi

    # Replace '/usr/bin/perl' in all the perl scripts with '/app/bin/perl' for Flatpak
    if [ -n "$CX_FLATPAK_ID" ]
    then
        sed -i 's/\/usr\/bin\/perl/\/app\/bin\/perl/' `grep -Ril /usr/bin/perl $CX_ROOT`
    fi

    "$CX_ROOT/lib/cxupgrade" --package "$package" --productid "$productid" --old-version "" $install_bottles
    "$CX_ROOT/bin/cxtie" --register

    if [ "$mode" = "install" -a "$uid" = "0" ]
    then
        chmod 0644 "$CX_ROOT/etc/$productid.conf"
    fi

    fi
    # -- end of code from codeweavers postinst script --
    
    echo "Done!"
    echo
    echo "This is the demo version, to fully activate it you need to obtain a license."
    echo "More information about this process here:"
    echo "https://www.codeweavers.com/crossover"
}

post_upgrade() {
    post_install
}

pre_remove() {
    echo "Removing menus and file associations, please wait..."
    #/opt/cxoffice/bin/cxmenu --crossover --uninstall
    #/opt/cxoffice/bin/cxassoc --crossover --uninstall
    
    # set variable to configure the actions of the prerm-script from codeweavers
    action="remove"
    
    # -- start of code from codeweavers prerm script --
    CX_ROOT="/opt/cxoffice"
    export CX_ROOT

    if [ -f "$CX_ROOT/.productid" ]
    then
        productid=`cat "$CX_ROOT/.productid"`
    else
        productid="cxoffice"
    fi

    if [ "$action" = "remove" ]
    then
        CX_PURGE="desktopdata"

    # This script expects CX_ROOT and productid to be set
    # Note: this script may also be called in case the installation is aborted
    builtin_product_id="cxoffice"

    if [ -z "$CX_PURGE" ]
    then
        CX_PURGE="all"
    fi

    if [ "$CX_PURGE" = "desktopdata" -o "$CX_PURGE" = "all" ]
    then
        "$CX_ROOT/bin/cxtie" --unregister
        scope="managed"
        if [ -x "$CX_ROOT/bin/cxmenu" ]
        then
            "$CX_ROOT/bin/cxmenu" --removeall --pattern "$productid-" --scope $scope --ignorelist ""
        fi
        if [ -x "$CX_ROOT/bin/cxassoc" ]
        then
            "$CX_ROOT/bin/cxassoc" --removeall --pattern "$productid-" --scope $scope --ignorelist ""
        fi
        rm -f "$CX_ROOT"/share/icons/*.png
    fi

    rm -f "$CX_ROOT/lib/python"/*.pyc
    rm -f "$CX_ROOT/lib/wine/winewrapper.exe.so.bak"
    fi
    # -- end of code from codeweavers prerm script --

    echo "Done!"
}

post_remove() {
    echo "Performing additional clean up, please wait..."
    
    # set variable to configure the actions of the postrm-script from codeweavers
    action="remove"

    # -- start of code from codeweavers postrm script --
    CX_ROOT="/opt/cxoffice"
    export CX_ROOT

    if [ -f "$CX_ROOT/.productid" ]
    then
        productid=`cat "$CX_ROOT/.productid"`
    else
        productid="cxoffice"
    fi

    if [ \( "$action" = "purge" -o "$action" = "remove" \) -a ! -f "$CX_ROOT/bin/cxmenu" ]
    then
        if [ "$action" = "purge" ]
        then
            CX_PURGE="all"
        else
            CX_PURGE="desktopdata"
        fi

        # We cannot do this bit before because prerm does not know whether
        # the administrator is doing a 'dpkg --purge' or a 'dpkg --remove'.
        # It does mean we have some extra directories to remove manually.
    # This script expects CX_ROOT and productid to be set

    if [ -z "$CX_PURGE" ]
    then
        CX_PURGE="all"
    fi

    if [ "$CX_PURGE" = "desktopdata" -o "$CX_PURGE" = "all" ]
    then
        rm -rf "$CX_ROOT"/lib/python/__pycache__
        rm -rf "$CX_ROOT"/support/desktopdata
    fi

    if [ "$CX_PURGE" = "all" ]
    then
        rm -f  "$CX_ROOT/etc/$productid".conf*
        rm -f  "$CX_ROOT/etc/license.txt" "$CX_ROOT/etc/license.sig"
        rm -f  "$CX_ROOT"/support/default
        rm -rf "$CX_ROOT"/support/installers
        rm -f  "$CX_ROOT"/.uninstalled

        # Delete bottles.
        ls -d "$CX_ROOT"/support/*/cxbottle.conf 2>/dev/null | while read bottlefile
        do
            dir=`dirname "$bottlefile"`
            rm -rf "$dir"
        done

        rmdir "$CX_ROOT"/support 2>/dev/null || true
        rm -f  "$CX_ROOT/.productid"
    elif [ -d "$CX_ROOT" ]
    then
        touch "$CX_ROOT/.uninstalled"
    fi

        rmdir "$CX_ROOT/etc" 2>/dev/null || true
        rmdir "$CX_ROOT/support" 2>/dev/null || true
        rmdir "$CX_ROOT" 2>/dev/null || true
    fi
    # -- end of code from codeweavers postrm script --
    
    # additional clean up
    rmdir "$CX_ROOT"/lib/python
    rmdir "$CX_ROOT"/lib
    
    echo "Done!"
}