A simple shell script to quickly / easily install "pacaur" on archlinux

pacaur_install.sh

#!/bin/sh

# Run the following from a terminal to install pacaur:
# $ curl -s https://gist.githubusercontent.com/bastilimbach/c1ff77232652ea6f8d3a4091cefe10eb/raw/4bbdc6f41c73228ff71367efe6a523429aeab100/pacaur_install.sh | bash
# -- or --
# $ curl -Ls https://goo.gl/wR4nYN | bash

# Make sure our shiny new arch is up-to-date
echo "Checking for system updates..."
sudo pacman -Syu

# Create a tmp-working-dir and navigate into it
mkdir -p /tmp/pacaur_install
cd /tmp/pacaur_install

# If you didn't install the "base-devel" group,
# we'll need those.
sudo pacman -S base-devel --noconfirm --needed

# Install pacaur dependencies from arch repos
sudo pacman -S expac yajl git --noconfirm --needed

# Install "cower" from AUR
if [ ! -n "$(pacman -Qs cower)" ]; then
    curl -o PKGBUILD https://aur.archlinux.org/cgit/aur.git/plain/PKGBUILD?h=cower
    makepkg PKGBUILD --skippgpcheck --install --needed
fi

# Install "pacaur" from AUR
if [ ! -n "$(pacman -Qs pacaur)" ]; then
    curl -o PKGBUILD https://aur.archlinux.org/cgit/aur.git/plain/PKGBUILD?h=pacaur
    makepkg PKGBUILD --install --needed
fi

# Clean up...
cd ~
rm -r /tmp/pacaur_install