install

#!/bin/bash

# SPDX-FileCopyrightText: 2017 - 2024 sudorook <daemon@nullcodon.com>
#
# SPDX-License-Identifier: GPL-3.0-or-later
#
# This program is free software: you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the Free
# Software Foundation, either version 3 of the License, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
# for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program. If not, see <https://www.gnu.org/licenses/>.

set -euo pipefail

DIR="$(dirname "$0")"

#
# Source the functions
#

. "${DIR}"/functions/00-check
. "${DIR}"/functions/00-install

#
# Define main select wrapper
#

function main {
  ask_release
  ask_device
  ask_partition_scheme
  case "${SCHEME}" in
    "LVM on LUKS")
      ask_physical_volume_name
      ask_volume_group_name
      ;;
    "LVM")
      SCHEME="LVM"
      ask_volume_group_name
      ;;
    *) ;;
  esac
  ask_bootmode
  ask_partition_sizes

  ask_timezone
  ask_locale
  ask_hostname
  ask_username
  ask_password
  if [[ "${SCHEME}" = "LVM on LUKS" ]]; then
    ask_lukspass
  fi

  export PATH="/usr/sbin:/usr/bin:/sbin:/bin${PATH:+":${PATH}"}"

  set_partitions
  format_partitions

  mount_install
  if [ "${RELEASE_VERSION}" -gt 11 ]; then
    debootstrap \
      --include=locales,keyboard-configuration,cryptsetup,cryptsetup-initramfs,lvm2,zstd,util-linux,util-linux-extra,tasksel \
      --arch amd64 "${RELEASE_NAME}" /mnt https://deb.debian.org/debian
  else
    debootstrap \
      --include=locales,keyboard-configuration,cryptsetup,cryptsetup-initramfs,lvm2,zstd,util-linux,tasksel \
      --arch amd64 "${RELEASE_NAME}" /mnt https://deb.debian.org/debian
  fi
  mkdir -p /mnt/run/udev
  for FS in proc sys dev dev/pts run/udev; do
    mount --bind /${FS} /mnt/${FS}
  done

  "${DIR}"/utils/genfstab -U /mnt >> /mnt/etc/fstab
  if [[ "${BOOTMODE}" = "systemd-boot" ]]; then
    sed -i "/\(.*\)\s\+\/efi\s\+vfat/s/0022/0077/g" /mnt/etc/fstab
  fi
  TIMEZONE="${TIMEZONE}" chroot /mnt /bin/bash -c "set_timezone"
  LOCALE="${LOCALE}" CHARSET="${CHARSET}" chroot /mnt /bin/bash -c "set_locale"
  KBLAYOUT="us" chroot /mnt /bin/bash -c "set_keyboard"

  cp "sources/${RELEASE_NAME}-sources.list" "/mnt/etc/apt/sources.list"
  chroot /mnt /bin/bash -c "update_mirrorlist"
  SCHEME="${SCHEME}" chroot /mnt /bin/bash -c "install_packages"
  # chroot /mnt /bin/bash -c "install_ucode"
  HOST_NAME="${HOST_NAME}" chroot /mnt /bin/bash -c "set_hostname"
  USER_NAME="${USER_NAME}" USER_PASSWORD="${USER_PASSWORD}" \
    chroot /mnt /bin/bash -c "add_user"
  chroot /mnt /bin/bash -c "disable_root"
  if [[ "${BOOTMODE}" = "GRUB" ]]; then
    SCHEME="${SCHEME}" DEVICE="${DEVICE}" \
      chroot /mnt /bin/bash -c "install_grub"
    if [[ "${SCHEME}" = "LVM on LUKS" ]]; then
      CRYPT_PASSWORD="${CRYPT_PASSWORD}" CRYPT_PARTITION="${CRYPT_PARTITION}" \
        chroot /mnt /bin/bash -c "make_luks_key"
    fi
  elif [[ "${BOOTMODE}" = "systemd-boot" ]]; then
    mkdir -p /mnt/etc/kernel/postinst.d/
    mkdir -p /mnt/etc/kernel/postrm.d/
    mkdir -p /mnt/etc/initramfs/post-update.d/
    mkdir -p /mnt/etc/systemd/system/

    cp -af "${DIR}/hooks/update-systemd-boot" /mnt/etc/kernel/postinst.d/
    cp -af "${DIR}/hooks/update-systemd-boot" /mnt/etc/kernel/postrm.d/
    cp -af "${DIR}/hooks/update-initrd" /mnt/etc/initramfs/post-update.d/
    cp -af \
      "${DIR}/hooks/systemd-update-efi.path" \
      "${DIR}/hooks/systemd-update-efi.service" \
      /mnt/etc/systemd/system/

    SCHEME="${SCHEME}" DEVICE="${DEVICE}" \
      chroot /mnt /bin/bash -c "install_gummiboot"
  elif [[ "${BOOTMODE}" = "EFISTUB" ]]; then
    show_warning "Not supported yet..."
  fi
  unmount_install
  show_success "Done! Reboot now."
}

#
# Check if dependencies are installed and if network is working
#

check_root
check_network
if ! check_install_commands; then
  check_sync_repos
  install_dependencies
fi

#
# GO!!!
#

main