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#!/bin/sh
[ -f 'pony' ] && rm 'pony'
wget http://hackage.haskell.org/package/pony -O - | grep -Po 'pony-[^>]*' > pony 2>/dev/null
if [ $? = 0 ]; then
[ -f unfetchable ] && rm unfetchable
md5sum < pony > new-sum
touch sum
if [ "$(cat sum)" = "$(cat new-sum)" ]; then
rm new-sum
else
mv new-sum sum
echo 'pony'
fi
rm pony
elif [ ! -f unfetchable ]; then
touch unfetchable
echo 'pony (unfetchable)'
fi
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