#!/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 options and for additional options not listed here

KERNEL_ONLY=""				# leave empty to select each time, set to "yes" or "no" to skip dialog prompt
KERNEL_CONFIGURE=""			# leave empty to select each time, set to "yes" or "no" to skip dialog prompt
CLEAN_LEVEL="make,debs,oldcache"	# comma-separated list of clean targets: "make" = make clean for selected kernel and u-boot,
					# "debs" = delete packages in "./output/debs" for current branch and family,
					# "alldebs" = delete all packages in "./output/debs", "images" = delete "./output/images",
					# "cache" = delete "./output/cache", "sources" = delete "./sources"
					# "oldcache" = remove old cached rootfs except for the newest 6 files

DEST_LANG="en_US.UTF-8"			# sl_SI.UTF-8, en_US.UTF-8

# advanced
KERNEL_KEEP_CONFIG="no"			# do not overwrite kernel config before compilation
EXTERNAL="yes"				# build and install extra applications and drivers
EXTERNAL_NEW="prebuilt"			# compile and install or install prebuilt additional packages
CREATE_PATCHES="no"			# wait that you make changes to uboot and kernel source and creates patches
BUILD_ALL="no"				# cycle through available boards and make images or kernel/u-boot packages.
					# set KERNEL_ONLY to "yes" or "no" to build all packages/all images

BSPFREEZE=""				# freeze armbian packages (u-boot, kernel, dtb)

# 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
#--------------------------------------------------------------------------------------------------------------------------------

SRC=$(dirname $(realpath ${BASH_SOURCE}))
# fallback for Trusty
[[ -z $SRC ]] && SRC=$(pwd)
cd $SRC

if [[ -f $SRC/lib/general.sh ]]; then
	source $SRC/lib/general.sh
else
	echo "Error: missing build directory structure"
	echo "Please clone the full repository https://github.com/armbian/build/"
	exit -1
fi

if [[ $EUID != 0 ]]; then
	display_alert "This script requires root privileges, trying to use sudo" "" "wrn"
	sudo "$SRC/compile.sh" "$@"
	exit $?
fi

if [[ ! -f $SRC/.ignore_changes ]]; then
	echo -e "[\e[0;32m o.k. \x1B[0m] This script will try to update"
	git pull
	CHANGED_FILES=$(git diff --name-only)
	if [[ -n $CHANGED_FILES ]]; then
		echo -e "[\e[0;35m warn \x1B[0m] Can't update since you made changes to: \e[0;32m\n${CHANGED_FILES}\x1B[0m"
		echo -e "Press \e[0;33m<Ctrl-C>\x1B[0m to abort compilation, \e[0;33m<Enter>\x1B[0m to ignore and continue"
		read
	else
		git checkout ${LIB_TAG:- master}
	fi
fi

# source additional configuration file
[[ -n $1 && -f $SRC/config-$1.conf ]] && source $SRC/config-$1.conf

if [[ $BUILD_ALL == yes || $BUILD_ALL == demo ]]; then
	source $SRC/lib/build-all.sh
else
	source $SRC/lib/main.sh
fi

# hook for function to run after build, i.e. to change owner of $SRC
# NOTE: this will run only if there were no errors during build process
[[ $(type -t run_after_build) == function ]] && run_after_build || true