install-arch-rpi.sh

#!/bin/bash
# scripts to install ArchLinuxARM for RPi
# Author: Yangxuan <yangxuan8282@gmail.com>
#
# run this scripts with root user, not via sudo
# to create the partitions programatically (rather than manually)
# we're going to simulate the manual input to fdisk
# Note that a blank line (commented as "defualt" will send a empty
# line terminated with a newline to take the fdisk default.
if [ "$EUID" -ne 0 ]
  then echo "Please run as root, not via sudo."
  exit
fi
lsblk
echo -n "
[Warning]: This operation will erase your target disk.
Enter the disk you want operate and press [ENTER]:"
read SDCARD
echo -n "The target sdcard is: $SDCARD"
umount /dev/"$SDCARD"1 /dev/"$SDCARD"2 || /bin/true
fdisk /dev/"$SDCARD" <<EOF
o
n
p
1

+100M
t
c
n
p
2


w
EOF
mkfs.vfat /dev/"$SDCARD"1
mkdir -p /mnt/boot
mount /dev/"$SDCARD"1 /mnt/boot
mkfs.ext4 /dev/"$SDCARD"2
mkdir -p /mnt/root
mount /dev/"$SDCARD"2 /mnt/root
echo "
      Preparing SDCARD    Downloading    Coping files    Finished
============[x]===============[ ]=============[ ]==========[ ]
                               ^
"
wget -c http://archlinuxarm.org/os/ArchLinuxARM-rpi-2-latest.tar.gz
echo "
      Preparing SDCARD    Downloading    Coping files    Finished
============[x]===============[x]=============[ ]==========[ ]
                                               ^
"
tar xvzf ArchLinuxARM-rpi-2-latest.tar.gz -C /mnt/root
sync
sync
mv /mnt/root/boot/* /mnt/boot
echo "
      Preparing SDCARD    Downloading    Coping files    Finished
============[x]===============[x]=============[x]==========[ ]
                                                            ^
"
echo "dtparam=audio=on
hdmi_drive=2
dtparam=sd_overclock=100" | tee --append /mnt/boot/config.txt
umount /mnt/boot /mnt/root
echo "
      Preparing SDCARD    Downloading    Coping files    Finished
============[x]===============[x]=============[x]==========[x]


Installation is finished. Please insert the card into your RPi.

You can find your pi on your network with: root@alarmpi.
"
echo "
-----------------------------------------------------------------

          ArchLinuxARM install successful on "$SDCARD"

-----------------------------------------------------------------"