#!/bin/bash


getBZ2=1


# Validate usage (minimally)
if [ $# -ne 1 ]; then
	echo "mkcygwget: Usage $0 <mirrorURL>" >&2
	exit 1
fi

mirrorURL="$1"


# Dissect the argument to separate the host and directory portions
mirrorHost="${mirrorURL%*/}"
mirrorDir="${mirrorURL##*/}"

ueMirror="$(echo "$mirrorURL" |sed -e 's/:/%3a/g' -e 's|/|%2f|g')"

mkdir "$ueMirror"


# Retrieve the "setup.ini" file from the mirror

# Get the BZip2-compressed form?
if [ "$getBZ2" ]; then
	wget -O "$ueMirror/setup.bz2" "$mirrorHost/setup.bz2"

	if [ $? -ne 0 ]; then
		echo "mkwget: Error retrieving \"setup.bz2\" from \"$mirrorHost/setup.bz2\"" >&2
		exit 1;
	fi

	bzcat "$ueMirror/setup.bz2" >"$ueMirror/setup.ini"
	rm "$ueMirror/setup.bz2"

# Get the uncompressed "setup.ini" file
else
	wget -O "$ueMirror/setup.ini" "$mirrorHost/setup.ini"

	if [ $? -ne 0 ]; then
		echo "mkwget: Error retrieving \"setup.ini\" from \"$mirrorHost/setup.ini\"" >&2
		exit 1;
	fi

fi


# Use the "setup.ini" file to produce a download script
(
	echo -e '#!/bin/sh\n'

	echo -e "cd \"$ueMirror\"\n"

	echo	"wget \\"
	echo -e "\t-x -nH --cut-dirs=1 \\"
	sed -n -e "/^install: / s|^install: \([^ ]*\) .*|\t\"$mirrorURL/\1\" \\\\|p" "$ueMirror/setup.ini"

	echo
) >|cygwget

chmod +x cygwget