#!/bin/bash
#
# Copyright (c) 2015 Igor Pecovnik, igor.pecovnik@gma**.com
#
# This file is licensed under the terms of the GNU General Public
# License version 2. This program is licensed "as is" without any
# warranty of any kind, whether express or implied.
#
# This file is a part of tool chain https://github.com/igorpecovnik/lib
#
#--------------------------------------------------------------------------------------------------------------------------------

# Read build script documentation
# http://www.armbian.com/using-armbian-tools/
# for detailed explanation of these parameters

# method
KERNEL_ONLY="no"					# build only kernel
KERNEL_CONFIGURE="no"					# want to change my default configuration
CLEAN_LEVEL="make,debs"					# comma-separated list of clean targets: "make" = make clean for selected kernel and u-boot,
							# "images" = delete "./output/images", "debs" = delete "./output/debs",
							# "cache" = delete "./output/cache", "sources" = delete "./sources"
# user 
DEST_LANG="en_US.UTF-8"					# sl_SI.UTF-8, en_US.UTF-8
CONSOLE_CHAR="UTF-8"

# advanced
KERNEL_KEEP_CONFIG="no"					# overwrite kernel config before compilation
EXTERNAL="yes"						# compile extra drivers`
FORCE_CHECKOUT="yes"					# igre manual changes to source
BUILD_ALL="no"						# cycle through selected boards and make images

# build script version to use
LIB_TAG=""						# empty for latest version,
							# one of listed here: https://github.com/igorpecovnik/lib/tags for stable versions,
							# or commit hash
#--------------------------------------------------------------------------------------------------------------------------------

# source is where we start the script
SRC=$(pwd)

# destination
DEST=$(pwd)/output

# sources download
SOURCES=$(pwd)/sources

#--------------------------------------------------------------------------------------------------------------------------------
# To preserve proper librarires updating
#--------------------------------------------------------------------------------------------------------------------------------
if [[ -f main.sh && -d bin ]]; then
	echo -e "[\e[0;31m error \x1B[0m] Copy this file one level up, alter and run again." 
	exit 
fi


#--------------------------------------------------------------------------------------------------------------------------------
# Show warning for those who updated the script
#--------------------------------------------------------------------------------------------------------------------------------
if [[ -d $DEST/output ]]; then
	echo -e "[\e[0;35m warn \x1B[0m] Structure has been changed. Remove all files and start in a clean directory. \
	CTRL-C to exit or any key to continue. Only sources will be doubled ..."
	read
fi

if [[ $EUID != 0 ]]; then
	echo -e "[\e[0;35m warn \x1B[0m] This script requires root privileges"
	sudo "$0" "$@"
	exit 1
fi

#--------------------------------------------------------------------------------------------------------------------------------
# Get updates of the main build libraries
#--------------------------------------------------------------------------------------------------------------------------------
apt-get -qq -y --no-install-recommends install git
if [[ ! -d $SRC/lib ]]; then
	git clone https://github.com/igorpecovnik/lib
fi
cd $SRC/lib; git pull; git checkout ${LIB_TAG:- master}

#--------------------------------------------------------------------------------------------------------------------------------
# Do we need to build all images
#--------------------------------------------------------------------------------------------------------------------------------
if [[ $BUILD_ALL == yes ]]; then
	source $SRC/lib/build-all.sh
else
	source $SRC/lib/main.sh
fi

# If you are committing new version of this file, increment VERSION
# Only integers are supported
# VERSION=9