#!/bin/bash
if [ $# -lt 1 ]
then
    echo "USAGE: $0 <block device> $1 <name>"
    exit 1
fi

tmp=/tmp/SPC-OS_rename-$RANDOM

mkdir -p $tmp/root

mount $1 $tmp/root

echo $2 > $tmp/root/etc/hostname

sed -i "/127.0.0.1/c\127.0.0.1	localhost.localdomain localhost $2" $tmp/root/etc/hosts
sed -i "/::1/c\::1	localhost.localdomain localhost $2" $tmp/root/etc/hosts

sed -i "/name/c\name=$2-Picam" $tmp/root/home/spc-eyepi/picam.ini
sed -i "/name/c\name=$2" $tmp/root/home/spc-eyepi/eyepi.ini

umount $tmp/root
rm -rf $tmp