dotfiles/tools/restore_sdcard

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#!/bin/bash
if [[ -z $1 ]] || [[ -z $2 ]]; then
echo "usage: $0 restore_file.xz device_to_restore_to"
exit
fi
source_file=$1
if [[ ! -f $source_file ]]; then
echo "cannot open $source_file"
exit
fi
device=$2
echo "about to restore $source_file onto $device"
echo "ctrl-c or [enter]"
read
sudo umount $device?
sudo umount $device
pv -tpreb $source_file | pixz -d | sudo dd bs=4M of=$device
sudo sync
sudo eject $device