warn about deprecated usage

Signed-off-by: Nico Schottelius <nico@brief.schottelius.org>

conf/type/__package_apt/gencode-remote

@@ -31,11 +31,19 @@ state_should="$(cat "$__object/parameter/state")"
 
 # Correct pre 2.1 naming - FIXME in 2.1
 case "$state_should" in
-    installed) state_should="present" ;;
-    removed) state_should="absent" ;;
+    # FIXME: print warning to stderr!
+    installed)
+        echo "WARNING: $state_should is deprecated, please change to present/absent (will be removed in cdist 2.1)" >&2
+        state_should="present"
+    ;;
+    removed)
+        echo "WARNING: $state_should is deprecated, please change to present/absent (will be removed in cdist 2.1)" >&2
+        state_should="absent"
+    ;;
 esac
 
-state_is="$(cat "$__object/explorer/pkg_status")"
+# FIXME: use grep directly, state is a list, not a line!
+state_is="$(cat "$__object/explorer/state")"
 case "$state_is" in
     present*)
        name="$(echo "$state_is" | cut -d ' ' -f 2)"