#!/bin/sh

set -e

if [ -f "$HOME/.makejuppix" ] ; then
  echo "Loading local configuration from $HOME/.makejuppix"
  . $HOME/.makejuppix
fi

prefix=${prefix:-/usr/local/src/juppix}

workdir=${workdir:-"$prefix/work"}

kind=${kind:-${1:-"iso"}}
size=${size:-${2:-"small"}}

case "$kind" in
    iso|usb-hdd) : ;;
    *)
        echo "Unknown kind $kind"
        exit 1
        ;;
esac

case "$size" in
    small|large) : ;;
    *)
        echo "Unknown size $size"
        exit 1
        ;;
esac

juppix_date="$(date +%Y%m%d)"
juppix_version="${juppix_version:-$juppix_date}"

case $(who am i) in
    jch*) juppix_version="${juppix_version%[js]}j" ;;
    lebresne*) juppix_version="${juppix_version%[js]}s" ;;
    jcristau*) juppix_version="${juppix_version%[js]}c" ;;
    *) juppix_version="${juppix_version} test" ;;
esac

if [ -e "$workdir" ] ; then
    echo "Eek!  $workdir exists."
    echo "Perhaps you need to run cleanup.sh?"
    exit 1
fi

if [ ! -f "$prefix"/config/chroot_local-packages/deug*.deb ] ; then
    echo "Eek!  Couldn't find Deug classes."
    echo "Perhaps you need to put some packages into "$prefix"/chroot_local-packages/"
    exit 1
fi

mkdir "$workdir"/

initconfig() {
    echo "# Automatically generated file -- do not edit" \
        >"$workdir"/config/"$1"
}

config() {
    if [ $# != 3 ] ; then echo "config called with $@"; exit 1; fi
    case "$1" in
        binary|bootstrap|chroot|common) : ;;
        *)
            echo "Unknown config file $1!"
            exit 1
            ;;
    esac
    echo "$2"="\"$3\"" >> "$workdir"/config/"$1"
}

echo "Generating configuration..."

umask 0022

cp -dR config/ "$workdir"/
find "$workdir"/config -type f -name '*~' -delete
mkdir "$workdir"/config/chroot_local-packageslists
chmod ugo+x "$workdir"/config/chroot_local-hooks/*

initconfig binary
initconfig bootstrap
initconfig chroot
initconfig common

case "$kind" in
    iso)
        config binary LH_BINARY_IMAGES iso
        ;;
    usb-hdd)
        config binary LH_BINARY_IMAGES usb-hdd
        config binary LH_BINARY_FILESYSTEM fat32
        ;;
esac

config binary LH_BINARY_INDICES enabled
config binary LH_HOSTNAME juppix
config binary LH_ISO_APPLICATION Juppix
config binary LH_ISO_PUBLISHER "Université de Paris 7, juppix@pps.jussieu.fr"
config binary LH_ISO_VOLUME "Juppix $juppix_version ($size)"
config binary LH_SYSLINUX_MENU_LIVE_ENTRY "Lancer Juppix"
config binary LH_SYSLINUX_MENU_MEMTEST_ENTRY "Test memoire"
config binary LH_SYSLINUX_SPLASH "$prefix/splash.png"
config binary LH_USERNAME juppix
config binary LH_BOOTAPPEND_LIVE "timezone=Europe/Paris keyb=fr"
config binary LH_INCLUDES none

config bootstrap LH_DISTRIBUTION lenny
config bootstrap LH_ARCHITECTURE i386
config bootstrap LH_MIRROR_BOOTSTRAP "http://ftp.fr.debian.org/debian/"
config bootstrap LH_MIRROR_CHROOT "http://ftp.fr.debian.org/debian/"
config bootstrap LH_MIRROR_CHROOT_SECURITY "http://security.debian.org/"
config bootstrap LH_MIRROR_BINARY "http://ftp.fr.debian.org/debian/"
config bootstrap LH_MIRROR_BINARY_SECURITY "http://security.debian.org/"
config bootstrap LH_CATEGORIES "main contrib non-free"

config chroot LH_LANGUAGE fr
config chroot LH_PACKAGES_LISTS "juppix"
config chroot LH_LINUX_FLAVOURS "686"

case "$size" in
    small)
        sed -e 's/^#iflarge[ \t].*//' \
            < "$prefix"/package-list.txt \
            > "$workdir"/config/chroot_local-packageslists/juppix
        ;;
    large)
        sed -e 's/^#iflarge[ \t]//' \
            < "$prefix"/package-list.txt \
            > "$workdir"/config/chroot_local-packageslists/juppix
        ;;
esac
# work around a bug in live-helper
config chroot LH_UNION_FILESYSTEM "aufs"
config chroot LH_LINUX_PACKAGES "linux-image-2.6 \${LH_UNION_FILESYSTEM}-modules-2.6 squashfs-modules-2.6"

config common LH_APT apt
config common LH_APT_RECOMMENDS disabled
# work around a bug in live-helper
config common LH_INITRAMFS auto

echo "Generating bookmark files..."
bash "$prefix/bookmarks-gen.sh" $size konq \
    "$prefix/bookmarks.txt" \
    "$workdir/config/chroot_local-includes/etc/skel/.kde/share/apps/konqueror/bookmarks.xml"

bash "$prefix/bookmarks-gen.sh" $size ffox \
    "$prefix/bookmarks.txt" \
    "$workdir/config/chroot_local-includes/etc/skel/.mozilla/firefox/profile.default/bookmarks.html"

chown -R root:root "$workdir"/config/chroot_local-includes/*

echo "Building image..."
(cd "$workdir"; lh_build | tee "$prefix"/juppix.log)

[ -f "$workdir/chroot/var/cache/man/index.db" ] || \
    (echo "Somebody nuked index.db; please patch live-helper!"; \
     echo "See Debian bug #527311."; \
     exit 1)

echo "Done!"