raspi-reset

raspi-reset

#!/bin/bash
BS=64M
ROOT_DEV=/dev/mmcblk0
BOOTFS_BACKUP=${ROOT_DEV}p3
BOOTFS_TARGET=${ROOT_DEV}p1
ROOTFS_BACKUP=${ROOT_DEV}p2
ROOTFS_TARGET=${ROOT_DEV}p4

print_yellow() {
    echo -e "\033[1;33m${1}\033[0m"
}

print_blue() {
    echo -e "\033[1;34m${1}\033[0m"
}

if [ $EUID -ne 0 ]; then
    echo "Must be run as root" 1>&2
    exit 1
fi

if [ ! -f /etc/rpi-disk-id ]; then
    echo "/etc/rpi-disk-id not found" 1>&2
    exit 2
fi

DISK_ID="$(cat /etc/rpi-disk-id)"

print_yellow "Remounting disks read-only..."
echo 1 > /proc/sys/kernel/sysrq
echo u > /proc/sysrq-trigger

print_yellow "\nOverwritting bootfs..."
dd if=$BOOTFS_BACKUP of=$BOOTFS_TARGET bs=$BS status=progress

print_yellow "\nOverwritting rootfs..."
dd if=$ROOTFS_BACKUP of=$ROOTFS_TARGET bs=$BS status=progress

print_yellow "\nRestoring original disk id..."
sfdisk --disk-id $ROOT_DEV $DISK_ID

# print_yellow "\nChecking and resizing filesystem..."
# e2fsck -f $ROOTFS_TARGET
# resize2fs $ROOTFS_TARGET

print_blue "\nDone! Rebooting"
sleep 1
echo b > /proc/sysrq-trigger

raspi-reset has moved here:
https://github.com/yayuniversal/raspi-reset

Check the repo for future updates!