#!/usr/bin/bash

# To run this script, do the following:


# For making the script stop if something fails like make.
set -e 
set -o pipefail

# Enable and start sshd so we can ssh in here in the future.
echo "----> Enabling SSH"
systemctl enable sshd
systemctl start sshd

# Setup keys for pacman
echo "----> Setting up keys for pacman"
pacman-key --init
pacman-key --populate archlinux

# Setup mirrors, hardcoded for now. Could have been done with rankmirror
# with USA and worldwide mirrors but eh.
echo "----> Setting up mirror list"
mv /etc/pacman.d/mirrorlist /etc/pacman.d/mirrorlist.backup
cat > /etc/pacman.d/mirrorlist <<-`EOM05594313219813`
	# Server list generated by rankmirrors on 2017-11-03
	##
	## Arch Linux repository mirrorlist
	## Generated on 2017-06-28
	##
	## Worldwide
	## United States
	Server = http://mirror.nexcess.net/archlinux/$repo/os/$arch
	Server = http://mirror.epiphyte.network/archlinux/$repo/os/$arch
	Server = http://arch.mirror.constant.com/$repo/os/$arch
	Server = http://mirrors.evowise.com/archlinux/$repo/os/$arch
	Server = http://mirrors.advancedhosters.com/archlinux/$repo/os/$arch
	Server = http://mirror.math.princeton.edu/pub/archlinux/$repo/os/$arch
`EOM05594313219813`

# Do an update and install some packages.
echo "----> Updating and installing base-devel, git, htop, vim, and cowsay"
pacman -Syu base-devel git htop vim cowsay --noconfirm

# Disable root check for makepkg since we are using root for everything.
# Replace the "if (( EUID == 0 )); then" with "if (( 0 )); then" to force root
# check to always fail.
sed -i 's/if (( EUID == 0 )); then/if (( 0 )); then/' /usr/bin/makepkg

# Install Yaourt. Why yaourt instead of pacaur? Because pacaur doesn't allow
# itself to be ran as root, even though all we have is root in the container,
# and I don't want to bother fiddling with users just for this. Yaourt on the
# other hand works fine for this.
echo "----> Installing package-query and yaourt"
mkdir ~/tmp
cd ~/tmp
# ----------- package query for yaourt -----------
git clone https://aur.archlinux.org/package-query.git
cd package-query
makepkg -si --noconfirm
cd ..
# ----------- yaourt itself -----------
git clone https://aur.archlinux.org/yaourt.git
cd yaourt
makepkg -si --noconfirm
cd ..
# Wipe tmp dir
cd ..
rm -r -f ~/tmp

# Get the ip addresses using some grep and awk magic.
ipv6addr=$(ip -6 addr show eth0 | grep /128 | grep -v fd75 | awk '{a=$2; split(a, b, "/"); print b[1]}')
ipv4addr=$(ip -4 addr show eth0 | grep inet | awk '{a=$2; split(a, b, "/"); print b[1]}')

# And say what the IP address is to the terminal.
cowsay "All Done! $ipv4addr $ipv6addr"