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Am Mittwoch, 15. August 2012, 09:47:29 schrieb Parker Coates:
> Hmm. If you're certain that you're cleaning up your repositories
> correctly, then I must have broken the script at some point

looks correct to me...

> because this approach was definitely yielding results at one point. [1]
 
> How did you generate the pngonly and svgzonly numbers?

I made 2 copies of the recompress script which each only did
one transformation. The original script loses about the
same in total.

Attached is a script for reproducing this with the original recompress
script. Adapt RULESETDIR. Try for yourself!

If I call it like
./testrecompression kajongg

it outputs:
8,0M    kajongg/.git
11M     kajongg.recompressed/.git

the difference is in .git/objects

or:
./testrecompression granatier
8,6M    granatier/.git
11M     granatier.recompressed/.git

for granatier I got an error message I don't understand. At
the end of filter-branch:
v4.9.0 -> v4.9.0 (7bda2cd3b9d7757421a8965b6fd9aeee4699d88c -> 12aed44d83fdc7fb515cca5c18b79914399766a5)
error: Entry 'doc/config_arena.png' not uptodate. Cannot merge.


./testrecompression katomic
5,3M    katomic/.git
7,8M    katomic.recompressed/.git

I set this up on dewey:wrohdewald/test but optipng and advdef are not installed.

BTW I made a small fix to that script but that cannot be the reason:
This fix copies the original file to cache when it cannot be 
processed. libkdegames has a file shield.png which is really svg,
and the script would otherwise spit out hundreds of errors about it.
(to be sure I repeated the test for granatier with my patch undone,
identical results)
 
-- 
Wolfgang
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#!/bin/bash

if test $# -ne 1
then
	echo Usage: test libkdegames
	exit 2
fi

module=$1

for output in $1 $1.recompressed
do
	if test -d $output
	then
		echo $output already exists, please remove it first
		exit 1
	fi
done

#export RULESETDIR=/home/wr/src/games2git/kde-ruleset

/usr/bin/git clone kde:scratch/wrohdewald/$module
cd $module
/usr/bin/git gc --aggressive
cd ..

cp -a $module $module.recompressed
cd $module.recompressed
$RULESETDIR/bin/recompress-svgz-and-png.sh
/usr/bin/git gc --aggressive
cd ..

du -s -h $module/.git $module.recompressed/.git

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