#!/bin/bash

# Copyright (C) 2019 Red Hat, Inc.

# Written by Andrew John Hughes <gnu.andrew@redhat.com>.

#

# This program is free software: you can redistribute it and/or modify

# it under the terms of the GNU Affero General Public License as

# published by the Free Software Foundation, either version 3 of the

# License, or (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU Affero General Public License for more details.

#

# You should have received a copy of the GNU Affero General Public License

# along with this program.  If not, see <http://www.gnu.org/licenses/>.

ICEDTEA_VERSION=3.15.0

ICEDTEA_URL=https://icedtea.classpath.org/download/source

ICEDTEA_SIGNING_KEY=CFDA0F9B35964222

set -e

if test "x${WGET}" = "x"; then

    WGET=$(which wget);

    if test "x${WGET}" = "x"; then

	echo "wget not found";

	exit 1;

    fi

fi

if test "x${CHECKSUM}" = "x"; then

    CHECKSUM=$(which sha256sum)

    if test "x${CHECKSUM}" = "x"; then

	echo "sha256sum not found";

	exit 2;

    fi

fi

if test "x${PGP}" = "x"; then

    PGP=$(which gpg)

    if test "x${PGP}" = "x"; then

	echo "gpg not found";

	exit 3;

    fi

fi

if test "x${TAR}" = "x"; then

    TAR=$(which tar)

    if test "x${TAR}" = "x"; then

	echo "tar not found";

	exit 4;

    fi

fi

echo "Dependencies:";

echo -e "\tWGET: ${WGET}";

echo -e "\tCHECKSUM: ${CHECKSUM}";

echo -e "\tPGP: ${PGP}\n";

echo -e "\tTAR: ${TAR}\n";

echo "Checking for IcedTea signing key ${ICEDTEA_SIGNING_KEY}...";

if ! gpg --list-keys ${ICEDTEA_SIGNING_KEY}; then

    echo "IcedTea signing key ${ICEDTEA_SIGNING_KEY} not installed.";

    exit 5;

fi

echo "Downloading IcedTea release tarball...";

${WGET} -v ${ICEDTEA_URL}/icedtea-${ICEDTEA_VERSION}.tar.xz

echo "Downloading IcedTea tarball signature...";

${WGET} -v ${ICEDTEA_URL}/icedtea-${ICEDTEA_VERSION}.tar.xz.sig

echo "Downloading IcedTea tarball checksums...";

${WGET} -v ${ICEDTEA_URL}/icedtea-${ICEDTEA_VERSION}.sha256

echo "Verifying checksums...";

${CHECKSUM} --check --ignore-missing icedtea-${ICEDTEA_VERSION}.sha256

echo "Checking signature...";

${PGP} --verify icedtea-${ICEDTEA_VERSION}.tar.xz.sig

echo "Extracting files...";

${TAR} xJf icedtea-${ICEDTEA_VERSION}.tar.xz \

       icedtea-${ICEDTEA_VERSION}/tapset \

       icedtea-${ICEDTEA_VERSION}/jconsole.desktop.in \

       icedtea-${ICEDTEA_VERSION}/policytool.desktop.in

echo "Replacing desktop files...";

mv -v icedtea-${ICEDTEA_VERSION}/jconsole.desktop.in .

mv -v icedtea-${ICEDTEA_VERSION}/policytool.desktop.in .

echo "Creating new tapset tarball...";

mv -v icedtea-${ICEDTEA_VERSION} openjdk

${TAR} cJf tapsets-icedtea-${ICEDTEA_VERSION}.tar.xz openjdk

rm -rvf openjdk

rm -vf icedtea-${ICEDTEA_VERSION}.tar.xz

rm -vf icedtea-${ICEDTEA_VERSION}.tar.xz.sig

rm -vf icedtea-${ICEDTEA_VERSION}.sha256