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source $stdenv/setup
mkdir -p $out/share/keen4
unzip -j $dist -d $out/share/keen4
mkdir -p $out/bin
cat > $out/bin/keen4 <<EOF
#! $SHELL -e
if test -z "\$HOME"; then
echo "HOME directory not set"
exit 1
fi
# Game wants to write in the current directory, but of course we can't
# let it write in the Nix store. So create symlinks to the game files
# in ~/.keen4 and execute game from there.
mkdir -p \$HOME/.keen4
cd \$HOME/.keen4
ln -sf $out/share/keen4/* .
$dosbox/bin/dosbox ./KEEN4E.EXE -fullscreen -exit || true
# Cleanup the symlinks.
for i in *; do
if test -L "\$i"; then
rm "\$i"
fi
done
EOF
chmod +x $out/bin/keen4
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