[lltx] debugging when luaotfload can't find fonts

[Khaled Hosny]

On Mon, Sep 27, 2010 at 02:38:09AM +0930, Will Robertson wrote:
> On 27/09/2010, at 1:44 AM, Khaled Hosny wrote:
> 
> > That is a PDF backend error, it means the path luaotfload had passed to
> > luatex is non-existent. Possible causes are: the font have been moved
> > and the font database is outdated (unlikely, because I check if the font
> > exists on the disk before passing to luatex), or the font have been
> > moved after being cached, and the cache contain reference to the old
> > path (the /Users/will/Library/texlive/2010/texmf-var/luatex-cache/generic/fonts/otf/temp-xb-zar*.lua files).
> 
> Aha. The fonts appear to have been moved at some stage.
> I had deleted the font names database in
> 
> /Users/will/Library/texlive/2010/texmf-var/luatex-cache/generic/names/otfl-names.lua
> 
> but when that was re-created it was still using the old temp-xb-zar*.lua files. I think these temp-*.lua files need to be kept up-to-date more aggressively.

The names list are always kept up to date, you have to delete the cached
files. Currently, the cache is not invalidated (and thus recreated) when
the font moves, I guess we should fix this.

Regards,
 Khaled

-- 
 Khaled Hosny
 Arabic localiser and member of Arabeyes.org team
 Free font developer