#!/bin/sh
# vim: ft=sh
set -e
. common

if [ -n "$CLEAN" ]; then
	echo_stage "Remove root"
	flock --exclusive "$WORKSPACE/root.lock" uroot rm -rf "$WORKSPACE/root"
	exit 0
fi

cat >abuild-system.conf <<EOF
export CFLAGS="-Os -fomit-frame-pointer"
export CXXFLAGS="\$CFLAGS"
export CPPFLAGS="\$CFLAGS"
export LDFLAGS="-Wl,--as-needed"

export JOBS=4
export MAKEFLAGS=-j\$JOBS

USE_COLORS=1

SRCDEST=/var/cache/distfiles
REPODEST=\$HOME/packages/

CLEANUP="srcdir bldroot pkgdir deps"
ERROR_CLEANUP="bldroot deps"
EOF

export ROOT="$WORKSPACE/root"
# TODO get latest uri from latest-releases.yml file
flock --exclusive "$WORKSPACE/root.lock" /bin/sh -se <<EOF
	. utils
	if [ ! -d "$ROOT" ]; then
		echo_stage "Setting up new root"
		wget "http://dl-cdn.alpinelinux.org/alpine/edge/releases/x86_64/alpine-minirootfs-3.8.0-x86_64.tar.gz" -O alpine.tar.gz
		gunzip alpine.tar.gz
		tar -f alpine.tar --delete ./dev/null
		mkdir "$ROOT"
		uroot tar -xf alpine.tar -C "$ROOT"
		chmod 755 "$ROOT" # This is intentional, tar changes access rights
		uchroot "$ROOT" root /bin/sh -sxe <<EEOF
			apk update
			apk add alpine-sdk lua-aports
			adduser -s /bin/sh -D build
			addgroup build abuild
			mkdir -p /var/cache/distfiles
			chgrp abuild /var/cache/distfiles
			chmod g+w /var/cache/distfiles
EEOF
		uchroot "$ROOT" build:build /bin/sh -sxe <<EEOF
			cd && mkdir .abuild
			echo 'PACKAGER_PRIVKEY="/home/build/.abuild/key.rsa"' > .abuild/abuild.conf
EEOF
		uroot cp ~/alpinelinux.rsa.key "$ROOT/home/build/.abuild/key.rsa"
		uchroot "$ROOT" root chown build:build "/home/build/.abuild/key.rsa"
		uroot cp ~/alpinelinux.rsa.key.pub "$ROOT/etc/apk/keys/cynerd@email.cz-5b8aeb6d.rsa.pub"
		uroot cp abuild-system.conf "$ROOT/etc/abuild.conf"
	fi

	echo_stage "Update system"
	uchroot "$ROOT" root /bin/sh -ce 'apk update && apk upgrade'

	echo_stage "Update package sources"
	git_clone "git@cynerd.cz:alpine-personal-pkgs" "aports"
	uroot rm -rf "$ROOT/home/build/aports"
	uroot mv aports "$ROOT/home/build/aports"
	uchroot "$ROOT" root chown -R build:build /home/build/aports

	echo_stage "Build packages"
	# TODO generate list of repositories automatically
	uchroot "$ROOT" build:build buildrepo --purge personal hacked
EOF