make cache filename hotfix not break fontdbutil

1 files changed, 6 insertions, 4 deletions

diff --git a/luaotfload-override.lua b/luaotfload-override.lua
index 7ee9730..2b9ef8b 100644
--- a/luaotfload-override.lua
+++ b/luaotfload-override.lua
@@ -81,10 +81,12 @@ logs.names_report = function (mode, lvl, ...)
     end
 end
 
---- This will vanish as soon as Hans fixes it in data-con
---- https://github.com/lualatex/luaotfload/issues/17
+if containers then
+    --- This will vanish as soon as Hans fixes it in data-con
+    --- https://github.com/lualatex/luaotfload/issues/17
 
-containers.cleanname = function (name)
-    return (string.gsub(string.lower(name),"[^%w%d\128\255]+","-"))
+    containers.cleanname = function (name)
+        return (string.gsub(string.lower(name),"[^%w%d\128\255]+","-"))
+    end
 end
 -- vim:tw=71:sw=4:ts=4:expandtab