#!/bin/sh

set -ex
url="$1"
target="$2"
shift 2

rm -rf /tmp/docker-download-file
mkdir /tmp/docker-download-file

cd /tmp/docker-download-file

wget "$url"

set -- *
cp "$1" "$target.tmp"
mv "$target.tmp" "$target"

cd /
rm -rf /tmp/docker-download-file