#!/bin/bash -e

#DEBHELPER#

# Move a conffile without triggering a dpkg question
mv_conffile() {
    OLDCONFFILE="$1"
    NEWCONFFILE="$2"
    if [ -e "$OLDCONFFILE" ]; then
        echo "Preserving user changes to $NEWCONFFILE ..."
        mv -f "$NEWCONFFILE" "$NEWCONFFILE".dpkg-new
        mv -f "$OLDCONFFILE" "$NEWCONFFILE"
    fi
}


case "${1}" in
install|upgrade)
    # splashy theme is moved to /usr/share/splashy starting 5.0.2
    if dpkg --compare-versions ${2} le 5.0.2; then
        mv_conffile /etc/splashy/themes/moreblue-orbit/background-bw.png \
        /usr/share/splashy/themes/moreblue-orbit/background-bw.png
        mv_conffile /etc/splashy/themes/moreblue-orbit/background-color.png \
        /usr/share/splashy/themes/moreblue-orbit/background-color.png
        mv_conffile /etc/splashy/themes/moreblue-orbit/theme.xml \
        /usr/share/splashy/themes/moreblue-orbit/theme.xml
        mv_conffile /etc/splashy/themes/moreblue-orbit/VeraSans.ttf \
        /usr/share/splashy/themes/moreblue-orbit/VeraSans.ttf
    fi
esac

if [ "${1}" = "configure" ] && [ "$2" != "" ] ; then

    if dpkg --compare-versions ${2} lt 0.3.11 && dpkg --compare-versions ${2} gt 0.3.5; then
        if test -x /var/lib/dpkg/info/libgnome2-common.postinst; then
            /var/lib/dpkg/info/libgnome2-common.postinst configure
        fi
    fi
fi

if [ "$1" = "configure" -o "$1" = "abort-upgrade" ]; then
    # Alternatives for the background
    update-alternatives --install \
        /usr/share/images/desktop-base/desktop-background \
        desktop-background \
        /usr/share/images/desktop-base/moreblue-orbit-wallpaper.svg 60

    update-alternatives --install \
        /usr/share/images/desktop-base/desktop-background \
        desktop-background \
        /usr/share/images/desktop-base/moreblue-orbit-wallpaper-widescreen.svg  55

    update-alternatives --install \
        /usr/share/images/desktop-base/desktop-background \
        desktop-background \
        /usr/share/images/desktop-base/nightly-wallpaper.png 50

    update-alternatives --install \
        /usr/share/images/desktop-base/desktop-background \
        desktop-background \
        /usr/share/images/desktop-base/debian-blueish-wallpaper.svg 40

    update-alternatives --install \
        /usr/share/images/desktop-base/desktop-background \
        desktop-background \
        /usr/share/images/desktop-base/debblue-1600x1200.png 30

    update-alternatives --install \
        /usr/share/images/desktop-base/desktop-background \
        desktop-background \
        /usr/share/images/desktop-base/debian-background.svg 20

    update-alternatives --install \
        /usr/share/images/desktop-base/desktop-background \
        desktop-background \
        /usr/share/images/desktop-base/bluedeb-1024x768.jpg 10

    update-alternatives --install \
        /usr/share/images/desktop-base/desktop-background \
        desktop-background \
        /usr/share/images/desktop-base/Debian.jpg 10

    # Alternatives for the splash
    update-alternatives --install \
        /usr/share/images/desktop-base/desktop-splash \
        desktop-splash \
        /usr/share/images/desktop-base/moreblue-orbit-splash.png 50

    update-alternatives --install \
        /usr/share/images/desktop-base/desktop-splash \
        desktop-splash \
        /usr/share/images/desktop-base/gnome-splash-curves.png 40

    update-alternatives --install \
        /usr/share/images/desktop-base/desktop-splash \
        desktop-splash \
        /usr/share/images/desktop-base/Splash-debblue.png 30

    update-alternatives --install \
        /usr/share/images/desktop-base/desktop-splash \
        desktop-splash \
        /usr/share/images/desktop-base/Splash-Debian.png 10

    update-alternatives --install \
        /usr/share/images/desktop-base/desktop-splash \
        desktop-splash \
        /usr/share/images/desktop-base/Splash-Debian_red.png 10

    # Alternatives for grub
    update-alternatives --install \
        /usr/share/images/desktop-base/desktop-grub \
        desktop-grub \
        /usr/share/images/desktop-base/moreblue-orbit-grub.png 10

    # GRUB background
    if which update-grub2 > /dev/null ; then
        update-grub2
    fi

    if [ -x /sbin/splashy_config ]; then
        splashy_config --set-theme moreblue-orbit
    fi

    if [ -x /usr/sbin/update-initramfs ]; then
        update-initramfs -u
    fi
fi