save config diffs

bin/create_config.sh

@@ -128,8 +128,14 @@ if [ $? -eq 0 ]; then
 fi
 
 # --- create target file
-diff "${tmpfile}" "${outfile}" >> ${cfgdiff} 2>/dev/null
-if [ $? -eq 0 -a -f "${outfile}" ]; then
+bHasChanges=0
+if [ ! -f "${outfile}" ]; then
+    echo "File did not exist before: ${outfile} - creating it as a new file.">> ${cfgdiff} 
+    bHasChanges=1
+fi
+
+diff "${tmpfile}" "${outfile}" >> ${cfgdiff} 2>/dev/null || bHasChanges=1
+if [ $bHasChanges -eq 0 ]; then
     _warn "INFO: no changes."
 else
     mv -f "${tmpfile}" "${outfile}" || exit 4