/etc/debootstrap/packages
--debconf <file> Pre-seed packages using specified pre-seed db file.
--grmlrepos Enable Grml's Debian repository (deb.grml.org).
+ --backportrepos Enable Debian's backports repository.
--keep_src_list Do not overwrite user provided apt sources.list.
--hostname <name> Hostname of Debian system.
--nopassword Do not prompt for the root password.
[ "$_opt_chroot_scripts_set" ] && CHROOT_SCRIPTS='yes'
[ "$_opt_keep_src_list" ] && KEEP_SRC_LIST='yes'
[ "$_opt_grmlrepos" ] && GRMLREPOS='yes'
+[ "$_opt_backportrepos" ] && BACKPORTREPOS='yes'
[ "$_opt_hostname" ] && HOSTNAME=$_opt_hostname
[ "$_opt_password" ] && ROOTPASSWORD=$_opt_password
[ "$_opt_nopassword" ] && NOPASSWORD='yes'
chmod 600 $CHROOT_VARIABLES # make sure nobody except root can read it
echo "# Configuration of ${PN}" > $CHROOT_VARIABLES
[ -n "$ARCH" ] && echo "ARCH=\"$ARCH\"" >> $CHROOT_VARIABLES
+ [ -n "$BACKPORTREPOS" ] && echo "BACKPORTREPOS=\"$BACKPORTREPOS\"" >> $CHROOT_VARIABLES
[ -n "$CHROOT_SCRIPTS" ] && echo "CHROOT_SCRIPTS=\"$CHROOT_SCRIPTS\"" >> $CHROOT_VARIABLES
[ -n "$CONFFILES" ] && echo "CONFFILES=\"$CONFFILES\"" >> $CHROOT_VARIABLES
[ -n "$DEBCONF" ] && echo "DEBCONF=\"$DEBCONF\"" >> $CHROOT_VARIABLES