#!/bin/sh
#
# usage: jldownload [<output-filename>] <url>
#

MIRROR_HOST=http://d304tytmzqn1fl.cloudfront.net

WGET=/usr/bin/wget
CURL=/usr/bin/curl
FETCH=/usr/bin/fetch

WGET_OPTS="--no-check-certificate --tries=1 --timeout=15"
CURL_OPTS="-fkL --connect-timeout 15"
FETCH_OPTS=

if [ $# -eq 1 ]; then
    CURL_OPTS="$CURL_OPTS -O"
    URL=$1
elif [ $# -eq 2 ]; then
    WGET_OPTS="$WGET_OPTS -O $1"
    CURL_OPTS="$CURL_OPTS -o $1"
    FETCH_OPTS="$FETCH_OPTS -o $1"
    URL=$2
else
    exit 1
fi

MIRROR_BASENAME=`basename $1`
MIRROR_URL="$MIRROR_HOST/$MIRROR_BASENAME"

if [ -x $CURL ] && $CURL -V >/dev/null; then
    GETURL="$CURL $CURL_OPTS"
elif [ -x $WGET ] && $WGET -V >/dev/null; then
    GETURL="$WGET $WGET_OPTS"
elif [ -x $FETCH ]; then
    GETURL="$FETCH $FETCH_OPTS"
else
    exit 1
fi

$GETURL $URL || $GETURL $MIRROR_URL