if [ -z ${dir+x} ]; then echo "\$dir not set, skipping."; exit 22; else
    wget https://gitea.tendokyu.moe/TeamTofuShop/segatools/releases/download/latest/segatools.zip -O /tmp/segatools.zip
    mkdir -p  $dir/segatools/{amfs,appdata,option}
    unzip -p /tmp/segatools.zip mercury.zip | bsdtar -xf- -C  $dir/game/bin
fi

sed -i '/^\[vfs\]/,/^\[/ {
    /^amfs=/c\amfs=..\\\\..\\\\segatools\\\\amfs
    /^option=/c\option=..\\\\..\\\\segatools\\\\option
    /^appdata=/c\appdata=..\\\\..\\\\segatools\\\\appdata
}' $dir/game/bin/segatools.ini