From ec22f80a4df73c67f9a4bfb128ee5065261cc452 Mon Sep 17 00:00:00 2001
From: Philipp Gesang <phg42.2a@gmail.com>
Date: Fri, 10 May 2013 02:29:22 +0200
Subject: create $TEXMFVAR if missing

---
 luaotfload-tool.lua | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'luaotfload-tool.lua')

diff --git a/luaotfload-tool.lua b/luaotfload-tool.lua
index 0d3b229..2c525d9 100755
--- a/luaotfload-tool.lua
+++ b/luaotfload-tool.lua
@@ -90,6 +90,19 @@ config.lualibs.load_extended    = false
 
 require"lualibs"
 
+--- prepare directories: the cache function in Luatex-Fonts
+--- checks for writable directory only on startup, so everything
+--- has to be laid out before we load basics-gen
+
+local cachepath = kpse.expand_var"$TEXMFVAR"
+if not lfs.isdir(cachepath) then
+    dir.mkdirs(cachepath)
+    if not lfs.isdir(cachepath) then
+        texiowrite(stringformat(
+            "ERROR could not create directory %s", cachepath))
+    end
+end
+
 --[[doc--
 \fileent{luatex-basics-gen.lua} calls functions from the
 \luafunction{texio.*} library; too much for our taste.
-- 
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