+
+ # install grml-live's (on the fly adjusted) sources.list config
+ cp /etc/grml/fai/apt/sources.list $target/etc/apt/sources.list.d/grml-live.list
+
+ # when re-running grml-live with the -u option we do not want to use the
+ # sources.list config of the live system but grml-live's config instead,
+ # therefore temporarly move known files and restore them again later on
+ # through /etc/grml/fai/config/scripts/GRMLBASE/33-aptsetup:
+ if [ -r $target/etc/apt/sources.list.d/grml.list ] ; then
+ mv $target/etc/apt/sources.list.d/grml.list $target/etc/apt/sources.list.d/grml.unused
+ fi
+ if [ -r $target/etc/apt/sources.list.d/debian.list ] ; then
+ mv $target/etc/apt/sources.list.d/debian.list $target/etc/apt/sources.list.d/debian.unused
+ fi
+ fi
+
+ # run it on our own, as updatebase is used at the wrong stage for our needs,
+ # see /etc/grml/fai/config/hooks/updatebase.GRMLBASE
+ # the apt-get update might return an error if there's for example
+ # a hashsum mismatch on Debian mirror sources, we might want to continue
+ # but should warn the user
+ if ! $ROOTCMD apt-get update ; then
+ echo "Warning: there was an error executing apt-get update, continuing anyway."
+ fi
+
+ # newer aptitude versions won't remove essential packages using
+ # 'aptitude -f -y install file-rc' anymore, therefore force it:
+ $ROOTCMD aptitude -o Aptitude::ProblemResolver::Keep-All-Tier=60000 -f -y install file-rc
+
+ if ! [ -x $target/usr/bin/aptitude ] ; then
+ $ROOTCMD apt-get -y install aptitude
+ fi
+
+ if [ -x $target/usr/bin/aptitude ] ; then
+ if $ROOTCMD aptitude --help | grep -q safe-upgrade ; then
+ APT_LISTCHANGES_FRONTEND=none APT_LISTBUGS_FRONTEND=none $ROOTCMD aptitude -y safe-upgrade
+ else
+ APT_LISTCHANGES_FRONTEND=none APT_LISTBUGS_FRONTEND=none $ROOTCMD aptitude -y upgrade
+ fi
+ else
+ APT_LISTCHANGES_FRONTEND=none APT_LISTBUGS_FRONTEND=none $ROOTCMD apt-get -y upgrade