Display Forcing rebuild message only if ISO does not exist yet

diff --git a/grml-live b/grml-live
index 0a8fb3a..a32f9ad 100755 (executable)
--- a/grml-live
+++ b/grml-live
@@ -993,7 +993,7 @@ elif [ -n "$SKIP_MKISOFS" ] ; then
 else
    mkdir -p "$ISO_OUTPUT" || bailout 6 "Problem with creating $ISO_OUTPUT for stage 'iso build'"
 
 else
    mkdir -p "$ISO_OUTPUT" || bailout 6 "Problem with creating $ISO_OUTPUT for stage 'iso build'"
 

-   if $FORCE_ISO_REBUILD ; then
+   if $FORCE_ISO_REBUILD && ! -f "${ISO_OUTPUT}/${ISO_NAME}"; then

       log   "Forcing rebuild of ISO because files on ISO have been modified."
       einfo "Forcing rebuild of ISO because files on ISO have been modified."
    fi
       log   "Forcing rebuild of ISO because files on ISO have been modified."
       einfo "Forcing rebuild of ISO because files on ISO have been modified."
    fi