On Mon, 5 Mar 2012, Kip Warner wrote:

> On Sun, 2012-03-04 at 23:20 -0500, Aditya Mahajan wrote:
>> If you want to use the automagic way, you can define \BazaarRevision to
>> redefined \BazaarRevision, for example:
>>
>> \def\BazaarRevision
>>        {\ctxlua{context.setevalue(
>>                  "BazaarRevision",
>>                   os.resultof"bzr revno | tr -d '\\n'")}%
>>         \BazaarRevision}
>
> Hey Aditya. I tried the automagic method, but ConTeXt bails:
>
> ! TeX capacity exceeded, sorry [text input levels=127].
> \BazaarRevision ...ltof"bzr revno | tr -d '\\n'")}
>                                                  \BazaarRevision
> l.4 }
>
> \BazaarRevision ...ltof"bzr revno | tr -d '\\n'")}
>                                                  \BazaarRevision
> l.4 }
>
> \BazaarRevision ...ltof"bzr revno | tr -d '\\n'")}
>                                                  \BazaarRevision
> l.4 }
>
> ...
> l.58

The attached file works at my end.

>
> Based on what I saw from htop, it looks like it running the command into
> the ground over and over again which is the exact opposite of what we
> are trying to do.

No. It is defining \BazaarVersion once and then reusing the result. Add 
\loggingall to your file to see what is happening.

Aditya