#!/bin/sh

set -e

#
# Скачать сборку нужного манагера нужного бранча
#

error_exit() {
	cmd=${BASH_COMMAND}
	echo "Command ${cmd} exited with error"
	exit 1
}

#trap error_exit TERM EXIT

MIRROR="http://intrepo.download.ispsystem.com/uploads"

# Parse args
while [ -n "${1}" ]
do
	case "${1}" in
		--mgr)
			mgr=${2}
			shift 2
			;;
		--branch|--hash)
			branch=${2}
			shift 2
			;;
	esac
done

while [ -z "${mgr}" ]; do
	echo -n "Mgr name is empty. Enter it: "
	read mgr
done

while [ -z "${branch}" ]; do
	echo -n "Branch name or hash is empty. Enter it: "
	read branch
done

URL=${MIRROR}/${mgr}/${branch}/upmetadata.txt?cache=$$
params="$(wget -O - -q "${URL}")" || dl_err=true
if [ -n "${dl_err}" ]; then
	echo "Can not fetch URL: ${URL}"
	exit 1
fi


echo "Will be fetched file with next parameters"
echo "===="
echo "${params}"
echo "===="

read -p "Is this correct? (Y/n): " n
if [ "#${n}" = "#n" ]; then
	# Exiting if pressed "n"
	exit 0
fi

tmp_filename=/tmp/${mgr}.$$.tgz
URL=${MIRROR}/${mgr}/${branch}/distribution.tgz?cache=$$
echo "Fetching ditriution.tgz"
wget -O ${tmp_filename} "${URL}" || dl_err=true
if [ -n "${dl_err}" ]; then
	echo "Can not fetch URL: ${URL}"
	exit 1
fi

if [ "${mgr}" != "core" ]; then
	tmp_core=/tmp/core.$$.tgz
	URL=${MIRROR}/${mgr}/${branch}/core.tgz?cache=$$
	echo "Fetching core.tgz"
	wget -O ${tmp_core} "${URL}" || dl_err=true
	if [ -n "${dl_err}" ]; then
		echo "Can not fetch URL: ${URL}"
		exit 1
	fi
fi

echo "Extraction archives"
if [ "${mgr}" != "core" ]; then
	tar -xpzf ${tmp_core} -C /usr/local/mgr5
fi
tar -xpzf ${tmp_filename} -C /usr/local/mgr5
killall core 2>/dev/null ||:
rm -f "${tmp_filename}"
rm -f "${tmp_core}"