Arch Linux Setup Script Part 2

#!/bin/bash

# Part 2 of Arch-Setup.sh Arch Linux Setup Script

# This script, created by James Triantafylos, will install and configure Arch Linux from start to finish.

# Instructions:
# - RUN PART 1 OF THIS SCRIPT FIRST
# - Execute this script with ./Arch-Setup-Part2.sh

# Requirments:
# - A wired network connection
# - A disk over 24GB in size
# - UEFI boot capability

# Goto function for BASH
function goto
{
    label=$1
    cmd=$(sed -n "/$label:/{:a;n;p;ba};" $0 | grep -v ':$')
    eval "$cmd"
    exit
}


# Setup locales
echo "Setting up locales..."
sed -i '/#en_US.UTF-8 UTF-8/c\en_US.UTF-8 UTF-8' /etc/locale.gen
locale-gen
echo LANG=en_US.UTF-8 > /etc/locale.conf
export LANG=en_US.UTF-8
echo ""

# Setup timezone and clock
echo "Setting up timezone and clock..."
ln -s /usr/share/zoneinfo/Canada/Eastern /etc/localtime
hwclock --systohc --utc
echo ""

# Setup hostname
echo "Pick your hostname: (Eg. Arch-PC)"
read HOSTNAME
echo $HOSTNAME > /etc/hostname
sed -i '/127.0.0.1/c\127.0.0.1  localhost.localdomain   localhost   $HOSTNAME' /etc/hosts
sed -i '/::1/c\::1  localhost.localdomain   localhost   $HOSTNAME' /etc/hosts
echo ""

# Enable network service
echo "Enabling network service..."
systemctl enable dhcpcd.service
echo ""

# Pick root password
echo "Choose your root password:"
echo ""
passwd
echo ""

# Install and setup Gummiboot
echo "Installing bootloader... (Gummiboot)"
pacman -S --noconfirm dosfstools efibootmgr
pacman -S --noconfirm gummiboot
gummiboot --path=/boot install
echo ""

echo "Writing bootloader configuration files..."
cat > /boot/loader/entries/arch.conf << EOF
title          Arch Linux
linux          /vmlinuz-linux
initrd         /initramfs-linux.img
options        root=/dev/sda2 rw
EOF

cat > /boot/loader/loader.conf << EOF
default  arch
timeout  10
EOF
echo ""

# Installing Wget
echo "Installing Wget..."
pacman -S --noconfirm wget
echo ""

# Download Part 3 of the setup to the system
echo "Downloading Part 3 of Arch Linux Setup..."
wget http://pastebin.com/download.php?i=hREKWvpZ -O /root/Arch-Setup-Part3.sh
chmod 777 /root/Arch-Setup-Part3.sh
sed -i -e 's/\r$//' /root/Arch-Setup-Part3.sh
echo ""

# Exit chroot environment and reboot system
echo ""
echo "###TYPE exit TO EXIT THE CHROOT ENVIRONMNENT###"
echo "###AFTER EXITING CHROOT TYPE reboot TO REBOOT THE SYSTEM###"
echo "###REMOVE INSTALLATION MEDIA AFTER REBOOT###"
echo "###LOGIN TO ROOT USER AFTER REBOOT###"
echo "###RUN ./Arch-Setup-Part3.sh AFTER REBOOT TO CONTINUE SETUP###"
echo ""