#!/bin/sh

set -e

echo "Mounting archlinux install system into mnt_archlinux_dvd..."
mkdir -p mnt_archlinux_dvd
mount $CACHEDIR/airootfs.img mnt_archlinux_dvd

echo "Fix bug intruduced in arch-chroot causing arguments not to be passed"
sed "s/unshare --fork --pid//" -i mnt_archlinux_dvd/usr/bin/arch-chroot

echo "Fix chroot cannot be umounted because of gpg-agent started by pacman"
sed "/chroot_umount() {/a  pkill gpg-agent" -i mnt_archlinux_dvd/usr/bin/arch-chroot
cat mnt_archlinux_dvd/usr/bin/arch-chroot

echo "Creating chroot bootstrap environment"

mount --bind $INSTALLDIR mnt_archlinux_dvd/mnt
cp /etc/resolv.conf mnt_archlinux_dvd/etc

echo "-> Initializing pacman keychain"
# Note: pacman-key starts gpg-agent automatically, which locks /dev
./mnt_archlinux_dvd/usr/bin/arch-chroot mnt_archlinux_dvd/ pacman-key --init
./mnt_archlinux_dvd/usr/bin/arch-chroot mnt_archlinux_dvd/ pacman-key --populate

echo "-> Installing core pacman packages..."
./mnt_archlinux_dvd/usr/bin/arch-chroot mnt_archlinux_dvd/ sh -c 'pacstrap /mnt base'

echo "--> Removing non required linux kernel (can be added manually through a package)"
./mnt_archlinux_dvd/usr/bin/arch-chroot $INSTALLDIR pacman --noconfirm -Rsc linux

echo "-> Cleaning up bootstrap environment"

umount mnt_archlinux_dvd/mnt

umount mnt_archlinux_dvd

cp $SCRIPTSDIR/resolv.conf $INSTALLDIR/etc