armbian-build/lib/functions/logging/traps.sh

#!/usr/bin/env bash
# exit_with_error <message> <highlight>
#
# a way to terminate build process
# with verbose error message
#

exit_with_error() {
	local _file
	local _line=${BASH_LINENO[0]}
	local _function=${FUNCNAME[1]}
	local _description=$1
	local _highlight=$2
	_file=$(basename "${BASH_SOURCE[1]}")
	local stacktrace="$(get_extension_hook_stracktrace "${BASH_SOURCE[*]}" "${BASH_LINENO[*]}")"

	display_alert "ERROR in function $_function" "$stacktrace" "err"
	display_alert "$_description" "$_highlight" "err"
	display_alert "Process terminated" "" "info"

	if [[ "${ERROR_DEBUG_SHELL}" == "yes" ]]; then
		display_alert "MOUNT" "${MOUNT}" "err"
		display_alert "SDCARD" "${SDCARD}" "err"
		display_alert "Here's a shell." "debug it" "err"
		bash < /dev/tty || true
	fi

	# TODO: execute run_after_build here?
	overlayfs_wrapper "cleanup"
	# unlock loop device access in case of starvation
	exec {FD}> /var/lock/armbian-debootstrap-losetup
	flock -u "${FD}"

	exit 255
}