153 lines
5.2 KiB
Bash
Executable file
153 lines
5.2 KiB
Bash
Executable file
#!/usr/bin/env bash
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# Print manual if no parameters provided or invalid amount of parameters is provided
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if [[ ! -n $1 || -n $2 ]]; then
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cat <<- END
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Usage: arkanium-build [variant]
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Variants:
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archlinux Plain Arch Linux TTY image
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arkanelinux Arkane Linux GNOME image
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debian Plain Debian TTY image
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Variants are loaded based on their directory names, the ones listed here
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are included by default. For information on the exact configuration of
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these variants or to create your own see /etc/arkanium/variants.
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END
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exit 0
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fi
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## Set common variables
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#
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declare -r workdir='/var/tmp/rootfs'
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declare -r configs_dir="./arkanium-build.d/"
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declare -r variant="$1"
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declare -r type="$(cat $(readlink -m $configs_dir/$variant/type))"
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declare -r output_target="$(pwd)/"
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## Common functions
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#
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# Cleanup and quit if error
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cleanup_and_quit () {
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# If any paramters are passed we will assume it to be an error
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[[ -n $1 ]] && printf "\e[1;31m<#>\e[0m $*\e[0m\n" >&2
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btrfs property set -ts $workdir ro false
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btrfs property set -ts $workdir/etc ro false
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btrfs property set -ts $workdir/var ro false
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# Remove temporary btrfs volumes
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[[ ! -n $arkanium_NO_CLEANUP ]] && btrfs subvolume delete $workdir/etc \
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$workdir/var \
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$workdir 2> /dev/null
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# Quit program if argument provided to function
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[[ -n $1 ]] && exit 1
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# Otherwise just quit, there is no error
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exit 0
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}
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## Error checking
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#
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# Quit if not root
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[[ ! $EUID -eq 0 ]] &&
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printf '\e[1;31m<#>\e[0m\e[1m This program has to be run as root\n\e[0m' &&
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exit 1
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# Check if all dependencies are installed, quit if not
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for prog in btrfs pacstrap; do
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if ! command -v $prog > /dev/null; then
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printf "\e[1;31m<#>\e[0m\e[1m Failed to locate $prog, ensure it is installed\e[0m\n"
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exit 1
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fi
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done
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# Check if requested variant exists
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[[ ! -d arkanium-build.d/$variant ]] &&
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printf '\e[1;31m<#>\e[0m\e[1m The requested variant does not exist\e[0m\n' &&
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exit 1
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## Variants
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#
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# Build archlinux type image
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if [[ $type == 'archlinux' ]]; then
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# Ensure base.list exists, if not error and quit
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if [[ ! -e arkanium-build.d/$variant/base.list ]]; then
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printf "\e[1;31m<#>\e[0m\e[1m The required file 'base.list' is not preset in $(readlink -m $configs_dir/$variant)\e[0m\n" &&
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exit 1
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fi
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printf '\e[1;34m-->\e[0m\e[1m Started Arch linux image build\e[0m\n'
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# Create temporary Btrfs subvolume
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printf "\e[1;34m-->\e[0m\e[1m Creating temporary Btrfs subvolumes at $(readlink -m $workdir)\e[0m\n"
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btrfs subvolume create $workdir || cleanup_and_quit "Failed to create btrfs subvolume $(readlink -m $workdir)"
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btrfs subvolume create $workdir/etc || cleanup_and_quit "Failed to create btrfs subvolume $(readlink -m $workdir/etc)"
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btrfs subvolume create $workdir/var || cleanup_and_quit "Failed to create btrfs subvolume $(readlink -m $workdir/var)"
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# Read base package list and install base system
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readarray base_packages < arkanium-build.d/$variant/base.list
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printf "\e[1;34m-->\e[0m\e[1m Installing base packages\e[0m\n"
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pacstrap $workdir ${base_packages[*]} || cleanup_and_quit 'Failed to install secondary package list'
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# Read package list and install secondary system components, skip if not used
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if [[ ! -n skip_secondary_package_installation ]]; then
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printf '\e[1;34m-->\e[0m\e[1m Installing secondary packages...\e[0m\n'
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readarray packages < arkanium-build.d/$variant/packages.list
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arch-chroot $workdir pacman -S --noconfirm ${packages[*]} || cleanup_and_quit 'Failed to install base packages'
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fi
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# If overlay directory exists in variant copy it to the temporary subvolume
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if [[ -d arkanium-build.d/$variant/overlay ]]; then
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cp -rv arkanium-build.d/$variant/overlay/* $workdir/
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fi
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# Enable systemd services if requested
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if [[ -e arkanium-build.d/$variant/systemd.services ]]; then
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readarray services < "arkanium-build.d/$variant/systemd.services"
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for service in services; do
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arch-chroot $workdir systemctl enable $service
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done
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fi
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# Clear pacman cache
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arch-chroot $workdir pacman --noconfirm -Scc
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# Remove subvolumes created by systemd
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[[ -d $workdir/var/lib/portables ]] &&
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printf "\e[1;34m-->\e[0m\e[1m Removing systemd subvolume var/lib/portables\e[0m\n" &&
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btrfs subvolume delete $workdir/var/lib/portables
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[[ -d $workdir/var/lib/machines ]] &&
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printf "\e[1;34m-->\e[0m\e[1m Removing systemd subvolume var/lib/machines\e[0m\n" &&
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btrfs subvolume delete $workdir/var/lib/machines
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# Clear pacman cache
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rm -rf $workdir/var/cache/pacman/pkg/*
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rm -rf $workdir/var/lib/pacman/local/*
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# Make subvolume read-only
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printf "\e[1;34m-->\e[0m\e[1m Adding read-only property to subvolumes\e[0m\n"
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btrfs property set -ts $workdir ro true
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btrfs property set -ts $workdir/etc ro true
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btrfs property set -ts $workdir/var ro true
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# Write subvolume to image
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printf "\e[1;34m-->\e[0m\e[1m Creating images...\e[0m\n"
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btrfs send -f $output_target/rootfs.img $workdir
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btrfs send -f $output_target/etc.img $workdir/etc
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btrfs send -f $output_target/var.img $workdir/var
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cleanup_and_quit
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fi
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