if no --source, then create only if there's no file

cdist/conf/type/__file/gencode-local

@@ -29,8 +29,11 @@ upload_file=
 create_file=
 if [ "$state_should" = "present" -o "$state_should" = "exists" ]; then
    if [ ! -f "$__object/parameter/source" ]; then
+      remote_stat="$(cat "$__object/explorer/stat")"
+      if [ -z "$remote_stat" ]; then
           create_file=1
           echo create >> "$__messages_out"
+      fi
    else
       source="$(cat "$__object/parameter/source")"
       if [ "$source" = "-" ]; then