On Fri, 19 Sep 2008, Otared KAVIAN wrote:

> Dear ConTeXters,
>
> I apologize for sending twice this message: since I did not receive it
> myself, I thought it has been lost…
>
> So here is my help request:
>
> I just updated my TeX installation with the latest MacTeX-TeXLive 2008, and
> since the version of LuaTeX included there was 0.25.0, I built a binary
> version
> LuaTeX, Version snapshot-0.29.0-2008091817.
>
> Now the problem is that my usual procedure for generating mkiv doesn't work
> and I couldn't fix the problem…
> (That procedure used to work fine with the previous version of
> MacTeX-TeXLive 2008).
>
> More precisely
> mtxrun --selfupdate
>
> seems to work fine, but then
>
> luatools --selfupdate
>
> results in:
> LuaTools | to be replaced old script /usr/texbin/luatools
> LuaTools | unable to locate new script
> LuaTools |
> LuaTools | runtime: 0.082 seconds

I do not know how MacOX works, but do you have permissions to write on 
/usr/texbin as a user? If not, you would have to run

sudo luatools --selfupdate

and then proceed.

Aditya