Oliver Buerschaper wrote:
>>> Any ideas if getting rid of dependency on environmental variables
>>> is doable?
>> I agree it would be great if mtxrun could call/do setuptex on itself
>> if needed.
>
> At the moment for me it would be enough to know where exactly LuaTeX
> looks for configuration information (path & file name) and which files
> take precedence over others in the case of conflicts ... my current
> understanding is:
>
> 1. Environment variables
> 2. setuptex.tmf
no, this one is only used when you run
mtxrun --tree=....
i use this methos in web driven workflows where we can have multiple
trees alongside (linux servers) and i never bother to setup my shell for
that; i just call mtxrun then
> 3. texmf-context/web2c/context.cnf
we ship context.cnfas an example of what is needed (it's the one on my
machine)
> 4. texmf/web2c/texmf.cnf
that one indeed unless it's in a usual place
> 5. ...
$TEXMF
$TEXMFCACHE (since there is no agreement over where it lives)
so, only two variables
> As a second step, one would have to know what each of the settings in
> the above places is needed for. In particular, I would like to know
> which settings LuaTeX actually uses and which ones it ignores. But
> this can wait until the first question is figured out completely ;-)
$TEXMF is needed in order to locate the configuration file (currently
still a CNF file but we may as well get rid of it since we use less and
less info from it; if we would organize the minimals differently i.e.
more flat that tds we can do without a configuration, especially fonts
are an issue (why no tex/fonts/data/vendor/collection)
$TEXMFCACHE is needed because distributers want control over the place
where those files go; there is some default setup but ...
Hans
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