Sanjoy Mahajan wrote:
> The contexttest repository now contains a Makefile to use for checking
> one context tree against another. There's a README alongside it but
> here's the quickstart
>
ah, brilliant
> svn export . /tmp/testdir
> cd /tmp/testdir
> make -k A=20070112 B=20070123 >& world.log
>
> (the -k is so it doesn't stop on the first error)
>
> It will
>
> 1. (if not already done) Download ConTeXt versions 2007.01.12 and
> 2007.01.23 from the museum, put each in its own subtree, make formats
> for each
>
> 2. Do the following for each test-NNN.tex file:
>
> a. Run it through 2007.01.12 to make test-NNN-20070112.pdf
> b. Run it through 2007.01.23 to make test-NNN-20070123.pdf
> c. Feed those pdfs to utils/compare-pdfs.sh to generate a bitmap diff
> d. Report differences found by compare-pdfs.sh (dB on each page)
>
> It was interesting running it. I haven't sorted through all the output
> yet, but a one point was that a few unicode fonts are a problem (maybe
> because I don't have them, but it makes texexec loop for a long time
> doing mktextfm and the like). More details to follow.
>
ok, so we need to set up a procedure for that
> Notes:
>
> If you want to view the image diffs as they are generated, set the
> viewer shell variable in compare-pdfs.sh (I often use xloadimage).
>
> I'd be very surprised if the Makefile worked on anything but Linux (uses
> features of bash + GNU make).
>
once everything is in place we can look into that, for the moment using
linux only is ok
> I was pretty careful about re-entrancy, so the following works fine at
> least in my testing:
>
> make -k -j 4 A=20070112 B=20070123
>
> -Sanjoy
>
> `A nation of slaves is always prepared to applaud the clemency of their
> master who, in the abuse of absolute power, does not proceed to the
> last extremes of injustice and oppression.' (Gibbon)
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> http://www.ntg.nl/mailman/listinfo/dev-context
>
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