#!/bin/bash
set -euo pipefail

BASEDIR="$(dirname "${0}" | sed "s|^\.|${PWD}|")"

source \
	/etc/os-release
source \
	"${BASEDIR}/system.conf"


if [[ "${1}" == '-1' ]]; then
	packages=(\
console-setup \
cryptsetup \
curl \
dosfstools \
dpkg-dev \
efibootmgr \
ethtool \
flatpak \
keyboard-configuration \
linux-generic \
locales \
nano \
network-manager \
openssh-{client,server} \
popularity-contest \
zfs-initramfs \
zstd\
)

	include="--include=${packages[0]}"

	for ((i=1;i<${#packages[@]};i++)); do
		include+=" --include=${packages[${i}]}"
	done

	mmdebstrap \
		--skip=check/empty \
		--components=main,restricted,universe,multiverse \
		--mode=root \
		--format=directory \
		${include} \
		"${UBUNTU_VERSION_CODENAME}" \
		/mnt
elif [[ "${1}" == '-2' ]]; then
	cat <<EOF >/mnt/etc/apt/sources.list.d/${UBUNTU_VERSION_CODENAME}.sources
# ${UBUNTU_VERSION_CODENAME^}
Enabled:		yes
Types:			deb deb-src
URIs:			http://archive.ubuntu.com/ubuntu/
Suites:			${UBUNTU_VERSION_CODENAME}
Components:		main restricted universe multiverse
Signed-By:		/usr/share/keyrings/ubuntu-archive-keyring.gpg

# ${UBUNTU_VERSION_CODENAME^} Security
Enabled:		yes
Types:			deb deb-src
URIs:			http://security.ubuntu.com/ubuntu/
Suites:			${UBUNTU_VERSION_CODENAME}-security
Components:		main restricted universe multiverse
Signed-By:		/usr/share/keyrings/ubuntu-archive-keyring.gpg

# ${UBUNTU_VERSION_CODENAME^} Updates
Enabled:		yes
Types:			deb deb-src
URIs:			http://archive.ubuntu.com/ubuntu/
Suites:			${UBUNTU_VERSION_CODENAME}-updates
Components:		main restricted universe multiverse
Signed-By:		/usr/share/keyrings/ubuntu-archive-keyring.gpg
EOF

	cat <<EOF >/mnt/etc/apt/sources.list.d/elementary.sources
Enabled:		yes
Types:			deb deb-src
URIs:			https://ppa.launchpadcontent.net/elementary-os/stable/ubuntu
Suites:			${UBUNTU_VERSION_CODENAME}
Components:		main
Signed-By:		/etc/apt/trusted.gpg.d/elementary.key.asc
EOF

	cat <<EOF >/mnt/etc/apt/sources.list.d/patches.list
Enabled:		yes
Types:			deb deb-src
URIs:			https://ppa.launchpadcontent.net/elementary-os/os-patches/ubuntu
Suites:			${UBUNTU_VERSION_CODENAME}
Components:		main
Signed-By:		/etc/apt/trusted.gpg.d/patches.key.asc
EOF

	rm /mnt/etc/apt/sources.list
elif [[ "${1}" == '-3' ]]; then
	rsync -pogAXtlHrDx \
		/etc/skel \
			/mnt/etc
elif [[ "${1}" == '-4' ]]; then
	cp \
		/etc/os-release \
		/mnt/etc

	cp \
		/etc/apt/trusted.gpg.d/{elementary,patches}.key.asc \
		/mnt/etc/apt/trusted.gpg.d/
fi