#!/bin/sh

#
#  helper script: generate the source release archive
#
#	Copyright (C) 2014, 2015 Francis Rowe <info@gluglug.org.uk>
#	Copyright (C) 2015 Patrick "P. J." McDermott <pj@pehjota.net>
#
#    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/>.
#

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

printf 'Building the source release archive\n'

if [ -f version ]; then
	version="$(cat version)"
	distdir="libreboot_${version}_src"
else
	distdir='libreboot_src'
fi

printf 'Deleting old source release archives\n'
rm -f "${distdir}.tar.xz"
rm -f "release/${distdir}.tar.xz"
rm -Rf "${distdir}/"

mkdir "${distdir}/"

printf 'Copying sources to %s/\n' "${distdir}"
for resource in *; do
	case "${resource}" in
		libreboot_* | release | tobuild* | docs);;
		*) cp -R "${resource}" "${distdir}/";;
	esac
done

if [ -f version ]; then
	printf '%s\n' "${version}" >"${distdir}/version"
else
	git rev-parse HEAD >"${distdir}/commitid"
fi

printf 'Cleaning files in %s/\n' "${distdir}"

# Clean old builds.
(cd "${distdir}/" && ./build clean all)
printf '\n'

# Delete Git repositories and properties and Subversion administrative
# directories and properties.
rm -Rf "${distdir}/bucts/".git*
rm -Rf "${distdir}/flashrom/".svn*
rm -Rf "${distdir}/grub/".git*

# Delete useless files.
rm -Rf "${distdir}/TODO/"
rm -f "${distdir}/push"

# Delete the deblob scripts.
# Since the source archive doesn't distribute the download scripts and already
# comes with a deblobbed coreboot, the deblobbing scripts aren't needed at all.
rm -Rf "${distdir}/resources/utilities/coreboot-libre/"

# We don't want to encourage development to happen on the release archives.
# Development goes in Git.  These scripts are not needed in the source archive,
# because the files that they download are already included and trimmed.
rm -Rf "${distdir}/resources/scripts/helpers/build/release/"
rm -f "${distdir}/download"
rm -Rf "${distdir}/resources/scripts/helpers/download/"
rm -Rf "${distdir}/resources/scripts/helpers/build/trim/"

# Patches are not needed, because they are already applied to coreboot sources.
rm -Rf "${distdir}/resources/libreboot/patch/"

# coreboot's crossgcc archives are distributed separately.
rm -Rf "${distdir}/coreboot/util/crossgcc/tarballs/"

# ich9deblob: There are certain files in there that the user most likely does
# not want to share.
rm -f "${distdir}/resources/utilities/ich9deblob/deblobbed_descriptor.bin"
rm -f "${distdir}/resources/utilities/ich9deblob/factory.rom"
rm -f "${distdir}/resources/utilities/ich9deblob/libreboot.rom"
rm -f "${distdir}/resources/utilities/ich9deblob/mkdescriptor.c"
rm -f "${distdir}/resources/utilities/ich9deblob/mkdescriptor.h"
rm -f "${distdir}/resources/utilities/ich9deblob/mkgbe.c"
rm -f "${distdir}/resources/utilities/ich9deblob/mkgbe.h"
rm -f "${distdir}/resources/utilities/ich9deblob/ich9fdgbe_4m.bin"
rm -f "${distdir}/resources/utilities/ich9deblob/ich9fdgbe_8m.bin"
rm -f "${distdir}/resources/utilities/ich9deblob/demefactory_4kdescriptor.bin"
rm -f "${distdir}/mkgbe.c"
rm -f "${distdir}/mkgbe.h"
rm -f "${distdir}/ich9fdgbe_8m.bin"
rm -f "${distdir}/ich9fdgbe_4m.bin"

printf 'Creating %s.tar.xz\n' "${distdir}"
tar -c "${distdir}/" | xz -9e >"${distdir}.tar.xz"

# Move the archives to the release/ directory.
[ -d release/ ] || mkdir release/
mv "${distdir}.tar.xz" release/

rm -Rf "${distdir}/"

printf 'Source release archives are stored in release/\n'