#!/bin/sh -e

#DEBHELPER#

if [ "${1}" = "upgrade" ]; then
    if dpkg --compare-versions ${2} lt 0.3.11 && dpkg --compare-versions ${2} gt 0.3.5; then
        update-alternatives --remove gnome-splash \
            /usr/share/images/desktop-base/Splash-Debian.png
        update-alternatives --remove gnome-splash \
            /usr/share/images/desktop-base/Splash-EvolvingTux.png
        update-alternatives --remove gnome-splash \
            /usr/share/images/desktop-base/Splash-Debian_red.png

        dpkg-divert --package desktop-base --rename \
            --divert /usr/share/pixmaps/splash/gnome-splash.png.orig \
            --remove /usr/share/pixmaps/splash/gnome-splash.png
    fi
fi

# prepare to move splashy themes, moved to /usr/share in 5.0.2
prep_mv_conffile() {
    PKGNAME="$1"
    CONFFILE="$2"
    if [ -e "$CONFFILE" ]; then
        md5sum="`md5sum \"$CONFFILE\" | sed -e \"s/ .*//\"`"
        old_md5sum="`dpkg-query -W -f='${Conffiles}' $PKGNAME | sed -n -e \"\\\\' $CONFFILE '{s/ obsolete$//;s/.* //p}\"`"
        if [ "$md5sum" = "$old_md5sum" ]; then
            rm -f "$CONFFILE"
        fi
    fi
}
case "$1" in
install|upgrade)
    if dpkg --compare-versions "$2" le "5.0.2"; then
        prep_mv_conffile desktop-base "/etc/splashy/themes/moreblue-orbit/background-bw.png"
        prep_mv_conffile desktop-base "/etc/splashy/themes/moreblue-orbit/background-color.png"
        prep_mv_conffile desktop-base "/etc/splashy/themes/moreblue-orbit/VeraSans.ttf"
        prep_mv_conffile desktop-base "/etc/splashy/themes/moreblue-orbit/theme.xml"
    fi
esac