Pidora-2014-Reformating-Boot-Script

Pidora 2014 Reformating Boot Partition Script

1. !/bin/bash
3. Script to take an SD card image created by Livemedia-Creator (such as for a
4. Raspberry Pi) with a ext4 boot partition and reformat it vfat.
6. To use this script, provide the image name as
7. the first argument.
8. Example "./revfat image-name.img"
10. Requirements (Fedora 17 package):
11. bash (bash)
12. fdisk (util-linux)
13. kpartx (kpartx)
15. Version 1.0 2013-04-05
17. Authors:
18. Andrew Greene, Seneca College 2013-04-05

1. partition

kpartx -av "$1"

1. You

sleep 3

1. create temp dirs

mkdir /media/temp mkdir /tmp/boot

1. 1. mount boot partition

mount -o rw /dev/mapper/loop0p1 /media/temp/

1. 1. copy boot data to temp dir

cp -r /media/temp/* /tmp/boot

1. rename kernel.img work around for boot

cp /tmp/boot/kernel-3.* /tmp/boot/kernel.img

1. unmount temp boot dir

umount /media/temp

1. reformat boot parttions to vfat

mkfs -t vfat -n boot /dev/mapper/loop0p1 sleep 3

1. update partition fs info

echo "t 1 c d 3 w " | fdisk /dev/loop0

sleep 3

1. 1. re-mount boot partition

mount -o rw /dev/mapper/loop0p1 /media/temp

1. cp orginal boot data to new vfat partition

cp -r /tmp/boot/* /media/temp/ sleep 10

1. umount tmp boot again

umount /media/temp

sync

1. remove partions and loopback devs

kpartx -dv "$1"

sleep 3

1. cleanup

dmsetup remove loop0p3 sleep 2 rm -rf /media/temp rm -rf /tmp/boot