#!/usr/bin/env zsh
# Copyright (c) 2016 Dyne.org Foundation
# arm-sdk is written and maintained by Ivan J. <parazyd@dyne.org>
#
# This file is part of arm-sdk
#
# This source code 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 software 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 source code. If not, see <http://www.gnu.org/licenses/>.

## helper functions for arm-sdk

build-image() {
	fn build-image "$@"

	bootstrap $arch
}

get-kernel-sources() {
	fn get-kernel-sources
	req=(R device_name gitkernel gitbranch)
	ckreq || return 1

	notice "grabbing kernel sources"

	if [[ -d $R/tmp/kernels/$device_name/${device_name}-linux ]]; then
		pushd $R/tmp/kernels/$device_name/${device_name}-linux
		git pull
		popd
	else
		git clone --depth 1 \
			$gitkernel \
			-b $gitbranch \
			$R/tmp/kernels/$device_name/${device_name}-linux
	fi
}

get-kernel-firmware() {
	fn get-kernel-firmware

	notice "grabbing latest linux-firmware"

	local gitsource="https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git"
	if [[ -d $R/tmp/linux-firmware ]]; then
		pushd $R/tmp/linux-firmware
		git pull
		popd
	else
		git clone $gitsource $R/tmp/linux-firmware
	fi
}

clone-git() {
	fn clone-git "$@"
	req=(giturl gitbr clonepath)
	local giturl="$1"
	local gitbr="$2"
	local clonepath="$3"
	ckreq || return 1

	notice "grabbing $(basename $clonepath)"

	if [[ -d $clonepath ]]; then
		pushd $clonepath
		git pull
		popd
	else
		git clone --depth 1 \
			$giturl \
			-b $gitbr \
			$clonepath
	fi
}

write-fstab() {
	fn write-fstab
	cat <<EOF | sudo tee ${strapdir}/etc/fstab
## <file system>  <mount point> <type> <options>           <dump><pass>
## proc
proc              /proc         proc   nodev,noexec,nosuid    0    0

## rootfs
/dev/mmcblk0p2    /             ext4   errors=remount-ro      0    1

## bootfs
/dev/mmcblk0p1    /boot         vfat   noauto                 0    0
EOF
}