add messaging support for __key_value

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

cdist/conf/type/__key_value/gencode-remote

@@ -1,7 +1,7 @@
 #!/bin/sh
 #
 # 2011 Steven Armstrong (steven-cdist at armstrong.cc)
-# 2012 Nico Schottelius (nico-cdist at schottelius.org)
+# 2012-2014 Nico Schottelius (nico-cdist at schottelius.org)
 #
 # This file is part of cdist.
 #
@@ -42,12 +42,14 @@ cp -p "$file" "\$tmpfile"
 sed '/^$key\($delimiter\+\)/d' "$file" > "\$tmpfile"
 mv -f "\$tmpfile" "$file"
 DONE
+        echo "remove" >> "$__messages_out"
     ;;
     present)
         case "$state_is" in
             absent)
                 # add new key and value
                 printf 'echo "%s%s%s" >> "%s"' "$key" "$delimiter" "$value_escaped" "$file"
+                echo "add" >> "$__messages_out"
             ;;
             wrongvalue)
                 # change exisiting value
@@ -58,6 +60,7 @@ cp -p "$file" "\$tmpfile"
 sed "s|^$key\($delimiter\+\).*|$key\\1$value_escaped|" "$file" > "\$tmpfile"
 mv -f "\$tmpfile" "$file"
 DONE
+                echo "changevalue" >> "$__messages_out"
             ;;
             *)
                 echo "Unknown explorer state: $state_is" >&2

cdist/conf/type/__key_value/man.text

@@ -32,6 +32,15 @@ key::
 value::
    The value for the key. Optional if state=absent, required otherwise.
 
+MESSAGES
+--------
+create::
+    Added key and value
+change::
+    Changed value of existing key
+remove::
+    Removed existing key and value
+
 
 EXAMPLES
 --------