boot-deploy

#!/bin/sh
# Copyright 2021 Clayton Craft <clayton@craftyguy.net>
# SPDX-License-Identifier: GPL-3.0-or-later
set -eu

# Disable yash POSIXly-correct mode
# Dash can't handle 'set +o posixly-correct' so we check first
_set_code="$(set -o | grep posixly-correct2>/dev/null || echo $?)"
if [ "$_set_code" = 0 ]; then
	# shellcheck disable=SC3040
	set +o posixly-correct 2>/dev/null
fi

initfs_filename=""
work_dir=""
output_dir=""
additional_files=""

functions_file=${BOOT_DEPLOY_FUNCTIONS:-/usr/share/boot-deploy/boot-deploy-functions.sh}
if [ ! -f "$functions_file" ]; then
	echo "ERROR: functions file not found: $functions_file"
	exit 1
fi

# shellcheck disable=SC1090
. "$functions_file"

get_options "$@"
get_kernel
source_deviceinfo
source_boot_deploy_config

# Hooks can be used to run scripts and binaries after source_*
# functions are called. This allows users to run extra
# pre-processing steps before boot-deploy continues with 
# creating files for boot. 
execute_hooks

append_or_copy_dtb
add_mtk_header
create_uboot_files
create_bootimg
create_depthcharge_kernel_image
create_extlinux_config
create_grub_config
create_cmdline_txt
add_systemd_boot

mkdir -p "$output_dir"

files_to_copy="$work_dir/$initfs_filename"
for f in $additional_files; do
	files_to_copy="$files_to_copy $work_dir/$f"
done

# shellcheck disable=SC2086
check_destination_free_space $files_to_copy

# shellcheck disable=SC2086
copy_files $files_to_copy
sync

# flashing requires things in /boot to exist
flash_updated_boot_parts
flash_updated_depthcharge_kernel

exit 0