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From: Aditya Mahajan <adityam@umich.edu>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>
Subject: Re: Module for svn info
Date: Wed, 23 Jan 2008 08:34:04 -0400 (AST)	[thread overview]
Message-ID: <alpine.DEB.0.9999.0801230758300.19507@nqv-yncgbc> (raw)
In-Reply-To: <4795D03D.9090109@scmb.de>

On Tue, 22 Jan 2008, Markus Bernhardt wrote:

> \def\SVNVERSION{svnversion -n > svnversion.tex}
>
> \ifeof18
>    \installprogram{\SVNVERSION}%
> \else
>    \executesystemcommand{\SVNVERSION}%
> \fi

Looks ok to me. Coming back to calculating the maximum of versions, this 
is possible to do inside TeX. Here is a short proof of concept. We need a 
two pass mechanism since revisions could be defined after they need to be 
used.

\unprotect
\def\REVISION#1
   {\doifdefinedelse{!!REVISION}
     {\ifdim#1pt > \dimexpr1pt*\!!REVISION
      \edef\!!REVISION{#1} \fi}
     {\edef\!!REVISION{#1}}}

\definetwopasslist{REVISION}

% Execute this in the beginning of document
\def\initializeREVISION
   {\gettwopassdata{REVISION}
    \iftwopassdatafound
      \xdef\getREVISION{\twopassdata}
     \else
       \def\getREVISION{Not Found}
     \fi
     \global\let\initializeREVISION\relax}

% Execute this at the end of document
\def\saveREVISION
   {\savetwopassdata {REVISION} {\getREVISION} {\!!REVISION}}

\appendtoks \initializeREVISION \to \everystarttext
\appendtoks \saveREVISION       \to \everystoptext

\protect

\starttext

File 1:\REVISION{10} \getREVISION

File 2:\REVISION{4} \getREVISION

File 3:\REVISION{14} \getREVISION

\stoptext

Now this just needs to be plugged into the command to get revision 
information from svn tags.

Aditya

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  reply	other threads:[~2008-01-23 12:34 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-01-21 23:58 Robin Kirkham
2008-01-22  3:10 ` Ernesto Schirmacher
2008-01-22 11:15   ` Markus Bernhardt
2008-01-23 12:34     ` Aditya Mahajan [this message]
     [not found] <mailman.3280.1201040714.4317.ntg-context@ntg.nl>
2008-01-23 11:52 ` Robin Kirkham
2008-01-23 21:26   ` Peter Münster
  -- strict thread matches above, loose matches on Subject: below --
2008-01-20  2:34 Markus Bernhardt
2008-01-20  5:11 ` Aditya Mahajan
2008-01-21  8:32   ` Markus Bernhardt

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