# ------------------------------------------------------------------------------
# Install or remove packages
# ------------------------------------------------------------------------------
# Variable:
#  * PKGS_RMLIST: packages to remove
#  * PKGS_BLACKLIST: package to mark as forbidden (will be removed if not)
#  * PKGSEL: List of package to install
# ------------------------------------------------------------------------------

export VER_install_pkg="0.1.1"

install_pkg()
{
    # Remove unnecessary packages
    [[ -n $PKGS_RMLIST  ]] &&
        prnt I "Suppression de paquets supperflus..." &&
        pkgrem $PKGS_RMLIST

    # Blacklist some anoying packages (and remove them if needed)
    if [[ -n PKGS_BLACKLIST ]]; then
        for pkg in $PKGS_BLACKLIST; do
            prnt I "Mise du paquet $pkg en liste noire..."
            local dest=/usr/apt/preferences.d/blacklist_$pkg.conf
            installfile blacklist.conf $dest &&
                sed -i -e "s/@pkg@/pkg/" $dest

            # If blacklisted we suppose uninstall as well (if neeeded)
            pkgrem $pkg
        done
    fi

    # Cleaning
    prnt I "Suppression des paquets résiduels le cas échéant..."
    pkgautorem

    # Install all the configured packages
    [[ -n $PKGSEL ]] &&
	prnt I "Installation de la sélection de paquets..." &&
	pkginst $PKGSEL
}

precheck_install_pkg()
{
    if [[ -z PKGS_RMLIST ]]; then
        prnt I "Aucun paquet à désinstaller"
    else
        prnt I "$(echo $PKGS_RMLIST | wc -w) paquets à supprimer."
    fi
    [[ -z PKGS_BLACKLIST ]] &&
        prnt W "Les paquets $pkg seront placés en liste noire !"
    if [[ -z $PKGSEL ]]; then
	prnt W "Pas de paquet additionel à installer !"
    else
	prnt I "$(echo $PKGSEL | wc -w) paquets additionels seront installés."
    fi
}

export -f install_pkg
export -f precheck_install_pkg