+# install additional packages from the package list, but
+# only ones which exist in the repository
+PKGLIST=
+for pkg in $(< packagelist); do
+ if [ "$(debirf_exec apt-get -s install $pkg 3>&1 1>&2 2>&3 1>&- | grep '^E:' | wc -l)" -gt 0 ]; then
+ echo "Ignoring package $pkg, because it was not found in this repository."
+ else
+ PKGLIST="$PKGLIST $pkg"
+ fi
+done