+fi
+
+if [ -n "$BOOTSTRAP_ONLY" ] ; then
+ echo "Skipping task configure in hooks/updatebase.GRMLBASE as BOOTSTRAP_ONLY environment is set."
+ skiptask configure
+fi
+
+# work around #632624: udev fails to install on systems with old kernel versions
+if ! [ -e ${target}/etc/udev/kernel-upgrade ] ; then
+ echo "Working around udev package bug, creating /etc/udev/kernel-upgrade"
+ echo "# installed via updatebase.GRMLBASE" > ${target}/etc/udev/kernel-upgrade
+fi
+
+# install all apt related files
+fcopy -i -B -v -r /etc/apt
+
+# install packages from a repository of a specific date
+if [ -n "${WAYBACK_DATE:-}" ] ; then
+ echo "Wayback date '$WAYBACK_DATE' identified, enabling for snapshot.debian.org usage."
+
+ perl -pi -e "s#^(\s+)(deb.* )(.*://ftp.debian.org.*?)\s+([a-z-]+)\s+(.*)\$#\$1\$2 [check-valid-until=no] http://snapshot.debian.org/archive/debian/$WAYBACK_DATE/ \$4 \$5#" \
+ "${target}/etc/apt/sources.list.d/debian.list"
+
+ perl -pi -e "s#^(\s+)(deb.* )(.*://security.debian.org.*?)\s+([a-z-/]+)\s+(.*)\$#\$1\$2 [check-valid-until=no] http://snapshot.debian.org/archive/debian-security/$WAYBACK_DATE/ \$4 \$5#" \
+ "${target}/etc/apt/sources.list.d/debian.list"
+fi
+
+# install Grml gpg key:
+$ROOTCMD apt-key add /etc/apt/grml.key
+
+if ! $ROOTCMD test -x /usr/bin/aptitude ; then
+ echo "aptitude binary is not available, installing to make sure further FAI actions continue to work"
+ $ROOTCMD apt-get update
+ $ROOTCMD apt-get -y install aptitude