120 lines
3.3 KiB
Bash
120 lines
3.3 KiB
Bash
#!/bin/sh
|
|
#===============================================================================
|
|
#
|
|
# pre-install_swu.sh
|
|
#
|
|
# Copyright (C) 2017 by Digi International Inc.
|
|
# All rights reserved.
|
|
#
|
|
# This program is free software; you can redistribute it and/or modify it
|
|
# under the terms of the GNU General Public License version 2 as published by
|
|
# the Free Software Foundation.
|
|
#
|
|
#
|
|
# !Description: SWUpdate pre-install script to remove the encryption flag from
|
|
# rootfs
|
|
#
|
|
# SWUpdate calls this script before installing the image.
|
|
#
|
|
#===============================================================================
|
|
|
|
# Variables.
|
|
#------------------------------------------------------------------------------
|
|
ENV_MTDPARTS="mtdparts"
|
|
|
|
# Functions.
|
|
#------------------------------------------------------------------------------
|
|
# Function - psplash_message
|
|
#
|
|
# Shows the given message in the psplash screen.
|
|
#
|
|
# @param ${1} - Message to show.
|
|
#------------------------------------------------------------------------------
|
|
psplash_message() {
|
|
echo "MSG ${1}" > /tmp/psplash_fifo
|
|
sleep 0.2
|
|
}
|
|
|
|
#------------------------------------------------------------------------------
|
|
# Function - psplash_progress
|
|
#
|
|
# Sets the psplash progress bar percentage to the given one.
|
|
#
|
|
# @param ${1} - Progress percentage.
|
|
#------------------------------------------------------------------------------
|
|
psplash_progress() {
|
|
echo "PROGRESS ${1}" > /tmp/psplash_fifo
|
|
sleep 0.2
|
|
}
|
|
|
|
#------------------------------------------------------------------------------
|
|
# Function - log
|
|
#
|
|
# Prints the given text in the console.
|
|
#
|
|
# @param ${1} - Text to print.
|
|
#------------------------------------------------------------------------------
|
|
log() {
|
|
echo "[FW UPDATE] ${1}"
|
|
}
|
|
|
|
#------------------------------------------------------------------------------
|
|
# Function - log_error
|
|
#
|
|
# Prints the given text in the console as an error.
|
|
#
|
|
# @param ${1} - Error text to print.
|
|
#------------------------------------------------------------------------------
|
|
log_error() {
|
|
log "[ERROR] ${1}"
|
|
psplash_message "ERROR: ${1}"
|
|
psplash_progress "0"
|
|
}
|
|
|
|
#------------------------------------------------------------------------------
|
|
# Function - read_uboot_var
|
|
#
|
|
# Reads the given U-Boot variable.
|
|
#
|
|
# @param ${1} - U-Boot variable to read.
|
|
# @param ${2} - Where to store the value of the read variable.
|
|
#------------------------------------------------------------------------------
|
|
read_uboot_var() {
|
|
eval "${2}=\"$(fw_printenv -n ${1} 2>/dev/null)\""
|
|
}
|
|
|
|
#------------------------------------------------------------------------------
|
|
# Function - set_uboot_var
|
|
#
|
|
# Sets the given U-Boot variable.
|
|
#
|
|
# @param ${1} - U-Boot variable to set.
|
|
# @param ${2} - Value to set.
|
|
#------------------------------------------------------------------------------
|
|
set_uboot_var() {
|
|
fw_setenv ${1} ${2} 2>/dev/null
|
|
}
|
|
|
|
# Main
|
|
#------------------------------------------------------------------------------
|
|
# Read the mtdparts variable.
|
|
read_uboot_var "${ENV_MTDPARTS}" MTDPARTS
|
|
|
|
# Check if there is any command.
|
|
if [ -z "${MTDPARTS}" ]; then
|
|
log_error "No mtdparts found"
|
|
exit 1
|
|
fi
|
|
|
|
# Parse the mtdparts value.
|
|
case "${MTDPARTS}" in
|
|
*\(rootfs\)enc*)
|
|
# Remove the flag from the rootfs partition.
|
|
NEW_MTDPARTS=$(echo "${MTDPARTS}" | sed -e "s/(rootfs)enc/(rootfs)/g")
|
|
set_uboot_var "${ENV_MTDPARTS}" "${NEW_MTDPARTS}"
|
|
sync && reboot -f
|
|
;;
|
|
*)
|
|
esac
|
|
|