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-rw-r--r--otfl-luat-dum.lua24
1 files changed, 13 insertions, 11 deletions
diff --git a/otfl-luat-dum.lua b/otfl-luat-dum.lua
index e8e267a..9607697 100644
--- a/otfl-luat-dum.lua
+++ b/otfl-luat-dum.lua
@@ -92,24 +92,26 @@ end
do
- local cachepaths = kpse.expand_path('$TEXMFCACHE') or ""
+ local cachepaths
- if cachepaths == "" then
- cachepaths = kpse.expand_path('$TEXMFVAR')
+ if kpse.expand_var('$TEXMFCACHE') ~= '$TEXMFCACHE' then
+ cachepaths = kpse.expand_var('$TEXMFCACHE')
+ elseif kpse.expand_var('$TEXMFVAR') ~= '$TEXMFVAR' then
+ cachepaths = kpse.expand_var('$TEXMFVAR')
end
- if cachepaths == "" then
+ if not cachepaths then
cachepaths = "."
end
cachepaths = string.split(cachepaths,os.type == "windows" and ";" or ":")
for i=1,#cachepaths do
- if file.iswritable(cachepaths[i]) then
- writable = file.join(cachepaths[i],"luatex-cache")
- lfs.mkdir(writable)
- writable = file.join(writable,caches.namespace)
- lfs.mkdir(writable)
+ local done
+ writable = file.join(cachepaths[i], "luatex-cache")
+ writable = file.join(writable,caches.namespace)
+ writable, done = dir.mkdirs(writable)
+ if done then
break
end
end
@@ -121,10 +123,10 @@ do
end
if not writable then
- texio.write_nl("quiting: fix your writable cache path")
+ texio.write_nl("quiting: fix your writable cache path\n")
os.exit()
elseif #readables == 0 then
- texio.write_nl("quiting: fix your readable cache path")
+ texio.write_nl("quiting: fix your readable cache path\n")
os.exit()
elseif #readables == 1 and readables[1] == writable then
texio.write(string.format("(using cache: %s)",writable))