only md5sum if file is a regular file (not a directory)

Signed-off-by: Nico Schottelius <nico@kr.ethz.ch>

conf/type/__file/explorer/md5sum

@@ -41,7 +41,11 @@ esac
 
 # No output if file does not exist - does definitely not match the md5sum :-)
 if [ -e "$destination" ]; then
+   if [ -f  "$destination" ]; then
       $md5sum < "$destination"
+   else
+      echo "NO REGULAR FILE"
+   fi
 else
    echo "NO FILE FOUND, NO CHECKSUM CALCULATED."
 fi

conf/type/__file/gencode

@@ -55,6 +55,7 @@ esac
 if [ -f "$__object/parameter/source" ]; then
    source="$(cat "$__object/parameter/source")"
 
+   if [ -f "$source" ]; then
       local_md5sum="$($md5sum < "$source")"
       remote_md5sum="$(cat "$__object/explorer/md5sum")"
 
@@ -66,6 +67,7 @@ if [ -f "$__object/parameter/source" ]; then
          # Probably describe it in cdist-quickstart...
          scp "$source" "root@${__target_host}:${destination}"
       fi
+   fi
 # No source? Create empty file/dir
 else
    case "$type" in