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
-   $md5sum < "$destination"
+   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

@@ -55,16 +55,18 @@ esac
 if [ -f "$__object/parameter/source" ]; then
    source="$(cat "$__object/parameter/source")"
 
-   local_md5sum="$($md5sum < "$source")"
-   remote_md5sum="$(cat "$__object/explorer/md5sum")"
+   if [ -f "$source" ]; then
+      local_md5sum="$($md5sum < "$source")"
+      remote_md5sum="$(cat "$__object/explorer/md5sum")"
 
-   # Is md5sum the right approach?
-   if [ "$local_md5sum" != "$remote_md5sum" ]; then
-      # FIXME: This is ugly and hardcoded, replace after 1.0!
-      # Probably a better aproach is to have the user configured
-      # ~/.ssh/config to contain the right username
-      # Probably describe it in cdist-quickstart...
-      scp "$source" "root@${__target_host}:${destination}"
+      # Is md5sum the right approach?
+      if [ "$local_md5sum" != "$remote_md5sum" ]; then
+         # FIXME: This is ugly and hardcoded, replace after 1.0!
+         # Probably a better aproach is to have the user configured
+         # ~/.ssh/config to contain the right username
+         # Probably describe it in cdist-quickstart...
+         scp "$source" "root@${__target_host}:${destination}"
+      fi
    fi
 # No source? Create empty file/dir
 else