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#!/bin/bash
##############################################################################
# parabola-riscv64-bootstrap #
# #
# Copyright (C) 2018 Andreas Grapentin #
# #
# 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/>. #
##############################################################################
set -euo pipefail
msg "preparing $CARCH librechroot"
# create directories
mkdir -p "$_pkgdest" "$_logdest"
# initialize repos
mkdir -p "$_pkgdest"/{pool,staging}
for repo in libre core extra community; do
echo -n "checking for $CARCH [$repo] repo ... "
[ -e "$_pkgdest"/$repo/os/$CARCH/$repo.db ] && _have_repo=yes || _have_repo=no
echo $_have_repo
mkdir -p "$_pkgdest"/$repo/os/$CARCH
if [ "x$_have_repo" == "xno" ]; then
tar -czf "$_pkgdest"/$repo/os/$CARCH/$repo.db.tar.gz -T /dev/null
tar -czf "$_pkgdest"/$repo/os/$CARCH/$repo.files.tar.gz -T /dev/null
ln -s $repo.db.tar.gz "$_pkgdest"/$repo/os/$CARCH/$repo.db
ln -s $repo.files.tar.gz "$_pkgdest"/$repo/os/$CARCH/$repo.files
fi
done
# create configurations
mkdir -p "$_builddir"/config
cat > "$_builddir"/config/pacman.conf << EOF
[options]
Architecture = $CARCH
[libre]
Server = file://$topbuilddir/stage4/packages/\$repo/os/\$arch
[core]
Server = file://$topbuilddir/stage4/packages/\$repo/os/\$arch
[extra]
Server = file://$topbuilddir/stage4/packages/\$repo/os/\$arch
[community]
Server = file://$topbuilddir/stage4/packages/\$repo/os/\$arch
[native]
Server = file://$topbuilddir/stage3/packages/\$arch
EOF
cat "$_srcdir"/makepkg.conf.in > "$_builddir"/config/makepkg.conf
cat >> "$_builddir"/config/makepkg.conf << EOF
CARCH="$CARCH"
CHOST="$CHOST"
CFLAGS="-march=$GCC_MARCH -mabi=$GCC_MABI -O2 -pipe -fstack-protector-strong -fno-plt"
CXXFLAGS="-march=$GCC_MARCH -mabi=$GCC_MABI -O2 -pipe -fstack-protector-strong -fno-plt"
MAKEFLAGS="-j$(($(nproc) + 1))"
EOF
# initialize the chroot
rm -rf /var/cache/pacman/pkg-$CARCH/*
librechroot \
-n "$CHOST-stage4" \
-C "$_builddir"/config/pacman.conf \
-M "$_builddir"/config/makepkg.conf \
make
set +o pipefail
export _chrootdir="$(librechroot -n "$CHOST-stage4" 2>&1 | grep copydir.*: | awk '{print $3}')"
set -o pipefail
# mount repo in chroot
mkdir -p "$_chrootdir"/{repos,native}
if mount | grep -q "$_chrootdir"/repos; then umount "$_chrootdir"/repos; fi
if mount | grep -q "$_chrootdir"/native; then umount "$_chrootdir"/native; fi
mount -o bind "$topbuilddir/stage4/packages" "$_chrootdir"/repos
mount -o bind "$topbuilddir/stage3/packages" "$_chrootdir"/native
cat > "$_builddir"/config/pacman.conf << EOF
[options]
Architecture = $CARCH
[libre]
Server = file:///repos/\$repo/os/\$arch
[core]
Server = file:///repos/\$repo/os/\$arch
[extra]
Server = file:///repos/\$repo/os/\$arch
[community]
Server = file:///repos/\$repo/os/\$arch
[native]
Server = file:///native/\$arch
EOF
librechroot \
-n "$CHOST-stage4" \
-C "$_builddir"/config/pacman.conf \
-M "$_builddir"/config/makepkg.conf \
update
# produce a patched libremakepkg to update config.sub/config.guess where needed
cat $(which libremakepkg) > "$_builddir"/libremakepkg-$CARCH.sh
chmod +x "$_builddir"/libremakepkg-$CARCH.sh
if [ "x${REGEN_CONFIG_FRAGMENTS:-no}" == "xyes" ]; then
sed -i '/Boring\/mundane/i \
update_config_fragments() {\
local url="https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain"\
find $1/build -iname config.sub -print -exec curl "$url;f=config.sub;hb=HEAD" -o {} \\;\
find $1/build -iname config.guess -print -exec curl "$url;f=config.guess;hb=HEAD" -o {} \\;\
}\
hook_pre_build+=(update_config_fragments)' "$_builddir"/libremakepkg-$CARCH.sh
fi
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