Only try copying snapshots if we actually found any.

diff --git a/scripts/live b/scripts/live
index 772ccc5..780c5de 100755 (executable)
--- a/scripts/live
+++ b/scripts/live
@@ -1215,9 +1215,9 @@ setup_unionfs ()
                done
 
                # Look for other snapshots to copy in
-               try_snap "${root_snapdata}" "${rootmnt}" "ROOT"
+               [ -n "${root_snapdata}" ] && try_snap "${root_snapdata}" "${rootmnt}" "ROOT"
                # This second type should be removed when snapshot grow smarter
-               try_snap "${home_snapdata}" "${rootmnt}" "HOME" "/home"
+               [ -n "${home_snapdata}" ] && try_snap "${home_snapdata}" "${rootmnt}" "HOME" "/home"
        fi
 
        mkdir -p "${rootmnt}/live"