-if [ -r /etc/grml/fai/files/etc/apt/preferences ] ; then
- cp /etc/grml/fai/files/etc/apt/preferences $target/etc/apt/preferences
+# if we have a devel-version or a daily snapshot
+# let's activate grml-testing by default:
+if [ -n "$GRML_NAME" -o -n "$RELEASENAME" ] ; then
+ if echo "$GRML_NAME" "$RELEASENAME" | grep -e devel -e autobuild 1>/dev/null ; then
+ sed -i 's|^#\(.*deb.*deb.grml.org.*grml-testing\)|\1|' "$target"/etc/apt/sources.list
+ fi