#!/bin/bash
# Debian-Facile live-build script
# https://debian-facile.org/git/ProjetsDF/dfiso-bullseye/

# set working directory ------------------------------------------------
DFDIR="$(realpath "$(dirname "$0")")"
cd ${DFDIR}
# cfg ------------------------------------------------------------------
VERSION="11.0-alpha"
LOG="dfiso.log"
if [ `whoami` != root ]; then
    echo "erreur : lancer DFbuild en tant qu'administrateur"
    exit 1
fi
# args -----------------------------------------------------------------
if [ "$1" == "32" ]; then ARCH="i386"
elif [ "$1" == "64" ]; then ARCH="amd64"
elif [ "$1" == "clean" ]; then lb clean && rm -R -f cache && exit 0
else
    # no args or wrong args > help
    echo "Utilisation : en mode administrateur"
    echo "./DFbuild 32    > construire DFiso i386"
    echo "./DFbuild 64    > construire DFiso amd64"
    echo "./DFbuild clean > nettoyer le dossier de construction et le cache"
    echo "---"
    echo "prenez soin de nettoyer le cache avant de construire sous une nouvelle architecture."
    exit 1
fi

## build ISO -----------------------------------------------------------

## place nette
lb clean

## mise en place
echo -e "----\nbuilding DFiso-${VERSION}-${ARCH}" > ${LOG}
echo -e "$(date)" >> ${LOG}
echo -e "system: $(uname -a)" >> ${LOG}
echo -e "tools: live-build-$(lb -v) - Debian-$(cat /etc/debian_version)" >> ${LOG}
echo -e "----\n" >> ${LOG}

CONFIG=()
# utiliser apt-cacher s'il est installé
if dpkg-query -W apt-cacher-ng &>"/dev/null"
then
    export http_proxy="http://127.0.0.1:3142/"
    CONFIG+=("--apt-http-proxy" "$http_proxy")
else
    echo "WARNING: apt-cacher-ng n'est pas installé"
fi

# architecture handling
CONFIG+=("-a" "${ARCH}")
case $ARCH in
    i386)CONFIG+=("-k" "686");;
esac

# version into USB name
CONFIG+=("--iso-application" "DFiso_$VERSION" "--iso-volume" "DFiso_$VERSION")

# téléchargement des cahiers du débutant si nécessaire (vérifier la version)
LESCAHIERS="lescahiersdudebutant_11.0.2_all.deb"

if [ ! -f "${DFDIR}/config/packages/${LESCAHIERS}" ]; then
    cd ${DFDIR}/config/packages/
    wget -c https://debian-facile.org/projets/lescahiersdudebutant/download/${LESCAHIERS}
    cd ${DFDIR}
fi

# live-build time
lb config ${CONFIG[@]}
lb build

## renommage
if test -f live-image-${ARCH}.hybrid.iso; then
    echo "INFO: renommer"
    ISODIR="${DFDIR}/dfiso-${ARCH}"
    NAME="debian-facile-${VERSION}_${ARCH}"
    mkdir -p ${ISODIR}
    mv live-image-${ARCH}.hybrid.iso ${ISODIR}/${NAME}.iso
    mv chroot.packages.install ${ISODIR}/${NAME}.pkgs
    mv dfiso.log ${ISODIR}/${NAME}.log
    cd ${ISODIR} && md5sum ${NAME}.iso > ${NAME}.md5
    echo "INFO: nettoyage"
    cd ${DFDIR}
    lb clean
    echo "Opération achevée en $(($SECONDS/60)) minutes"
    exit 0
else
    echo "ISO non construite : erreur, voir le fichier dfiso.log"
    exit 1
fi

## eof