#!/bin/bash

#
#  helper script: generate the release archives
#
#	Copyright (C) 2014, 2015, 2016 Leah Rowe <info@minifree.org>
#
#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU 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 General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
#

# This script assumes that the current working directory when running
# it is the root directory of the libreboot git repository clone.

[ "x${DEBUG+set}" = 'xset' ] && set -v
set -u -e

arch="unknown"
if [ "$(uname -i)" = "i686" ] || [ "$(uname -m)" = "i686" ]
	then
		arch="i686"
		echo "Running on i686. ok."
		sleep 2
elif [ "$(uname -i)" = "x86_64" ] || [ "$(uname -m)" = "x86_64" ]
	then
		arch="x86_64"
		echo "Running on x86_64. ok."
		sleep 2
else
	echo "This script must be run on an i686 or x86_64 host. x86_64 is recommended."
	exit 1
fi

if [ -f "version" ]; then
	# _src release archive is being used
	version="$(cat version)"
	versiondate="$(cat versiondate)"
else
	# git repo is being used
	version="$(git describe --tags HEAD)"
	versiondate="$(git show -s --format=%ct)"
fi
versiondir="release/${version}"
distname="libreboot_${version}_util"
distdir="${versiondir}/${distname}"

printf "Creating utility archive (source code of commonly needed utilities)\n"

# delete the old data
rm -Rf "${distdir:?}/"
rm -f "${distdir}.tar.xz"

# this is where they will go
mkdir -p "${distdir}/"

# this has to be done before generating
# the "version" file
if [ ! -f "version" ]; then
	# generate ChangeLog and NEWS files
	rm -f "ChangeLog" "NEWS"
	git log > "${distdir}/ChangeLog"
	cp "${distdir}/ChangeLog" "${distdir}/NEWS"
else
	# building from release archive
	cp "ChangeLog" "${distdir}/"
	cp "NEWS" "${distdir}/"
fi

# include version information
printf '%s\n' "${version}" >"${distdir}/version"
# include version date information
printf '%s\n' "${versiondate}" >"${distdir}/versiondate"

# --------------
# BUC.TS related
# --------------
cp -R "bucts" "bucts_/"
mkdir -p "${distdir}/bucts/"
./build clean bucts
cp -R "bucts/" "${distdir}/"
rm -Rf "bucts/"
mv "bucts_/" "bucts/"

# ----------------
# Flashrom related
# ----------------
# Flashrom is used to install libreboot on supported targets
# Include it statically compiled
cp -R "flashrom/" "flashrom_/"
./build clean flashrom
cp -R "flashrom/" "${distdir}/"
rm -Rf "flashrom/"
mv "flashrom_/" "flashrom/"

# -------------
# Miscellaneous
# -------------

cp -R "resources/" "${distdir}/"

# Flashing script
cp "flash" "${distdir}/"

# Build script
cp "build" "${distdir}/"

# powertop script
cp "resources/scripts/misc/powertop.trisquel7" "${distdir}/"

printf "\n\n"

# ### Create the release tarballs
# ----------------------------------------------------------------------------------------------------------------------------

printf "Compressing %s/ into %s.tar.xz\n" "${distdir}" "${distdir}.tar.xz"
# create lzma compressed util archive
(cd "${versiondir}/" && tar -c "${distname}/" | xz -9e >"${distname}.tar.xz")

printf "done\n\n"

# ### Delete the uncompressed release directories
# ----------------------------------------------------------------------------------------------------------------------------

# The uncompressed archives are no longer needed
rm -Rf "${distdir:?}/"