538 lines
17 KiB
Bash
538 lines
17 KiB
Bash
# shellcheck source=./scripts/protection.sh
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source "$GENTOO_INSTALL_REPO_DIR/scripts/protection.sh" || exit 1
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################################################
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# Functions
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function install_stage3() {
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prepare_installation_environment
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apply_disk_configuration
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download_stage3
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extract_stage3
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}
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function configure_base_system() {
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if [[ $MUSL == "true" ]]; then
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einfo "Installing musl-locales"
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try emerge --verbose sys-apps/musl-locales
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else
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einfo "Generating locales"
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echo "$LOCALES" > /etc/locale.gen \
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|| die "Could not write /etc/locale.gen"
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locale-gen \
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|| die "Could not generate locales"
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fi
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if [[ $SYSTEMD == "true" ]]; then
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einfo "Setting machine-id"
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systemd-machine-id-setup \
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|| die "Could not setup systemd machine id"
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# Set hostname
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einfo "Selecting hostname"
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echo "$HOSTNAME" > /etc/hostname \
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|| die "Could not write /etc/hostname"
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# Set keymap
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einfo "Selecting keymap"
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echo "KEYMAP=$KEYMAP" > /etc/vconsole.conf \
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|| die "Could not write /etc/vconsole.conf"
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# Set locale
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einfo "Selecting locale"
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echo "LANG=$LOCALE" > /etc/locale.conf \
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|| die "Could not write /etc/locale.conf"
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einfo "Selecting timezone"
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ln -sfn "../usr/share/zoneinfo/$TIMEZONE" /etc/localtime \
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|| die "Could not change /etc/localtime link"
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else
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# Set hostname
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einfo "Selecting hostname"
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sed -i "/hostname=/c\\hostname=\"$HOSTNAME\"" /etc/conf.d/hostname \
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|| die "Could not sed replace in /etc/conf.d/hostname"
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# Set timezone
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einfo "Selecting timezone"
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echo "$TIMEZONE" > /etc/timezone \
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|| die "Could not write /etc/timezone"
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chmod 644 /etc/timezone \
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|| die "Could not set correct permissions for /etc/timezone"
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try emerge -v --config sys-libs/timezone-data
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# Set keymap
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einfo "Selecting keymap"
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sed -i "/keymap=/c\\keymap=\"$KEYMAP\"" /etc/conf.d/keymaps \
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|| die "Could not sed replace in /etc/conf.d/keymaps"
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# Set locale
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einfo "Selecting locale"
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try eselect locale set "$LOCALE"
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fi
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# Update environment
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env_update
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}
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function configure_portage() {
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# Prepare /etc/portage for autounmask
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mkdir_or_die 0755 "/etc/portage/package.use"
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touch_or_die 0644 "/etc/portage/package.use/zz-autounmask"
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mkdir_or_die 0755 "/etc/portage/package.keywords"
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touch_or_die 0644 "/etc/portage/package.keywords/zz-autounmask"
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touch_or_die 0644 "/etc/portage/package.license"
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if [[ $SELECT_MIRRORS == "true" ]]; then
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einfo "Temporarily installing mirrorselect"
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try emerge --verbose --oneshot app-portage/mirrorselect
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einfo "Selecting fastest portage mirrors"
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mirrorselect_params=("-s" "4" "-b" "10")
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[[ $SELECT_MIRRORS_LARGE_FILE == "true" ]] \
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&& mirrorselect_params+=("-D")
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try mirrorselect "${mirrorselect_params[@]}"
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fi
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chmod 644 /etc/portage/make.conf \
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|| die "Could not chmod 644 /etc/portage/make.conf"
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}
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function enable_sshd() {
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einfo "Installing and enabling sshd"
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install -m0600 -o root -g root "$GENTOO_INSTALL_REPO_DIR/contrib/sshd_config" /etc/ssh/sshd_config \
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|| die "Could not install /etc/ssh/sshd_config"
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enable_service sshd
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}
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function install_authorized_keys() {
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mkdir_or_die 0700 "/root/"
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mkdir_or_die 0700 "/root/.ssh"
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if [[ -n "$ROOT_SSH_AUTHORIZED_KEYS" ]]; then
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einfo "Adding authorized keys for root"
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touch_or_die 0600 "/root/.ssh/authorized_keys"
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echo "$ROOT_SSH_AUTHORIZED_KEYS" > "/root/.ssh/authorized_keys" \
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|| die "Could not add ssh key to /root/.ssh/authorized_keys"
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fi
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}
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function generate_initramfs() {
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local output="$1"
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# Generate initramfs
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einfo "Generating initramfs"
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local modules=()
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[[ $USED_RAID == "true" ]] \
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&& modules+=("mdraid")
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[[ $USED_LUKS == "true" ]] \
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&& modules+=("crypt crypt-gpg")
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[[ $USED_BTRFS == "true" ]] \
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&& modules+=("btrfs")
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[[ $USED_ZFS == "true" ]] \
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&& modules+=("zfs")
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local kver
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kver="$(readlink /usr/src/linux)" \
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|| die "Could not figure out kernel version from /usr/src/linux symlink."
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kver="${kver#linux-}"
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dracut_opts=()
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if [[ $SYSTEMD == "true" && $SYSTEMD_INITRAMFS_SSHD == "true" ]]; then
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cd /tmp || die "Could not change into /tmp"
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try git clone https://github.com/gsauthof/dracut-sshd
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try cp -r dracut-sshd/46sshd /usr/lib/dracut/modules.d
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sed -e 's/^Type=notify/Type=simple/' \
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-e 's@^\(ExecStart=/usr/sbin/sshd\) -D@\1 -e -D@' \
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-i /usr/lib/dracut/modules.d/46sshd/sshd.service \
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|| die "Could not replace sshd options in service file"
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dracut_opts+=("--install" "/etc/systemd/network/20-wired.network")
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modules+=("systemd-networkd")
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fi
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# Generate initramfs
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# TODO --conf "/dev/null" \
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# TODO --confdir "/dev/null" \
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try dracut \
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--kver "$kver" \
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--zstd \
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--no-hostonly \
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--ro-mnt \
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--add "bash ${modules[*]}" \
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"${dracut_opts[@]}" \
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--force \
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"$output"
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# Create script to repeat initramfs generation
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cat > "$(dirname "$output")/generate_initramfs.sh" <<EOF
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#!/bin/bash
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kver="\$1"
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output="\$2" # At setup time, this was "$output"
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[[ -n "\$kver" ]] || { echo "usage \$0 <kernel_version> <output>" >&2; exit 1; }
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dracut \\
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--kver "\$kver" \\
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--zstd \\
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--no-hostonly \\
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--ro-mnt \\
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--add "bash ${modules[*]}" \\
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${dracut_opts[@]@Q} \\
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--force \\
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"\$output"
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EOF
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}
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function get_cmdline() {
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local cmdline=("rd.vconsole.keymap=$KEYMAP_INITRAMFS")
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cmdline+=("${DISK_DRACUT_CMDLINE[@]}")
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if [[ $USED_ZFS != "true" ]]; then
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cmdline+=("root=UUID=$(get_blkid_uuid_for_id "$DISK_ID_ROOT")")
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fi
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echo -n "${cmdline[*]}"
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}
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function install_kernel_efi() {
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try emerge --verbose sys-boot/efibootmgr
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# Copy kernel to EFI
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local kernel_file
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kernel_file="$(find "/boot" -name "vmlinuz-*" -printf '%f\n' | sort -V | tail -n 1)" \
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|| die "Could not list newest kernel file"
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cp "/boot/$kernel_file" "/boot/efi/vmlinuz.efi" \
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|| die "Could not copy kernel to EFI partition"
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# Generate initramfs
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generate_initramfs "/boot/efi/initramfs.img"
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# Create boot entry
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einfo "Creating efi boot entry"
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local efipartdev
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efipartdev="$(resolve_device_by_id "$DISK_ID_EFI")" \
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|| die "Could not resolve device with id=$DISK_ID_EFI"
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efipartdev="$(realpath "$efipartdev")" \
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|| die "Error in realpath '$efipartdev'"
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local sys_efipart
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sys_efipart="/sys/class/block/$(basename "$efipartdev")" \
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|| die "Could not construct /sys path to efi partition"
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local efipartnum
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efipartnum="$(cat "$sys_efipart/partition")" \
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|| die "Failed to find partition number for EFI partition $efipartdev"
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local gptdev
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gptdev="/dev/$(basename "$(readlink -f "$sys_efipart/..")")" \
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|| die "Failed to find parent device for EFI partition $efipartdev"
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if [[ ! -e "$gptdev" ]] || [[ -z "$gptdev" ]]; then
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gptdev="$(resolve_device_by_id "${DISK_ID_PART_TO_GPT_ID[$DISK_ID_EFI]}")" \
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|| die "Could not resolve device with id=${DISK_ID_PART_TO_GPT_ID[$DISK_ID_EFI]}"
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fi
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try efibootmgr --verbose --create --disk "$gptdev" --part "$efipartnum" --label "gentoo" --loader '\vmlinuz.efi' --unicode 'initrd=\initramfs.img'" $(get_cmdline)"
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# Create script to repeat adding efibootmgr entry
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cat > "/boot/efi/efibootmgr_add_entry.sh" <<EOF
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#!/bin/bash
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# This is the command that was used to create the efibootmgr entry when the
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# system was installed using gentoo-install.
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efibootmgr --verbose --create --disk "$gptdev" --part "$efipartnum" --label "gentoo" --loader '\\vmlinuz.efi' --unicode 'initrd=\\initramfs.img'" $(get_cmdline)"
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EOF
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}
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function generate_syslinux_cfg() {
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cat <<EOF
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DEFAULT gentoo
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PROMPT 0
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TIMEOUT 0
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LABEL gentoo
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LINUX ../vmlinuz-current
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APPEND initrd=../initramfs.img $(get_cmdline)
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EOF
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}
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function install_kernel_bios() {
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try emerge --verbose sys-boot/syslinux
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# Link kernel to known name
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local kernel_file
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kernel_file="$(find "/boot" -name "vmlinuz-*" -printf '%f\n' | sort -V | tail -n 1)" \
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|| die "Could not list newest kernel file"
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cp "/boot/$kernel_file" "/boot/bios/vmlinuz-current" \
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|| die "Could copy kernel to /boot/bios/vmlinuz-current"
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# Generate initramfs
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generate_initramfs "/boot/bios/initramfs.img"
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# Install syslinux
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einfo "Installing syslinux"
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local biosdev
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biosdev="$(resolve_device_by_id "$DISK_ID_BIOS")" \
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|| die "Could not resolve device with id=$DISK_ID_BIOS"
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mkdir_or_die 0700 "/boot/bios/syslinux"
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try syslinux --directory syslinux --install "$biosdev"
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# Create syslinux.cfg
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generate_syslinux_cfg > /boot/bios/syslinux/syslinux.cfg \
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|| die "Could save generated syslinux.cfg"
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# Install syslinux MBR record
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einfo "Copying syslinux MBR record"
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local gptdev
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gptdev="$(resolve_device_by_id "${DISK_ID_PART_TO_GPT_ID[$DISK_ID_BIOS]}")" \
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|| die "Could not resolve device with id=${DISK_ID_PART_TO_GPT_ID[$DISK_ID_BIOS]}"
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try dd bs=440 conv=notrunc count=1 if=/usr/share/syslinux/gptmbr.bin of="$gptdev"
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}
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function install_kernel() {
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# Install vanilla kernel
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einfo "Installing vanilla kernel and related tools"
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if [[ $IS_EFI == "true" ]]; then
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install_kernel_efi
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else
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install_kernel_bios
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fi
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einfo "Installing linux-firmware"
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echo "sys-kernel/linux-firmware linux-fw-redistributable no-source-code" >> /etc/portage/package.license \
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|| die "Could not write to /etc/portage/package.license"
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try emerge --verbose linux-firmware
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}
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function add_fstab_entry() {
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printf '%-46s %-24s %-6s %-96s %s\n' "$1" "$2" "$3" "$4" "$5" >> /etc/fstab \
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|| die "Could not append entry to fstab"
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}
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function generate_fstab() {
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einfo "Generating fstab"
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install -m0644 -o root -g root "$GENTOO_INSTALL_REPO_DIR/contrib/fstab" /etc/fstab \
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|| die "Could not overwrite /etc/fstab"
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if [[ $USED_ZFS != "true" && -n $DISK_ID_ROOT_TYPE ]]; then
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add_fstab_entry "UUID=$(get_blkid_uuid_for_id "$DISK_ID_ROOT")" "/" "$DISK_ID_ROOT_TYPE" "$DISK_ID_ROOT_MOUNT_OPTS" "0 1"
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fi
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if [[ $IS_EFI == "true" ]]; then
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add_fstab_entry "UUID=$(get_blkid_uuid_for_id "$DISK_ID_EFI")" "/boot/efi" "vfat" "defaults,noatime,fmask=0177,dmask=0077,noexec,nodev,nosuid,discard" "0 2"
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else
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add_fstab_entry "UUID=$(get_blkid_uuid_for_id "$DISK_ID_BIOS")" "/boot/bios" "vfat" "defaults,noatime,fmask=0177,dmask=0077,noexec,nodev,nosuid,discard" "0 2"
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fi
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if [[ -v "DISK_ID_SWAP" ]]; then
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add_fstab_entry "UUID=$(get_blkid_uuid_for_id "$DISK_ID_SWAP")" "none" "swap" "defaults,discard" "0 0"
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fi
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}
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function main_install_gentoo_in_chroot() {
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[[ $# == 0 ]] || die "Too many arguments"
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maybe_exec 'before_install'
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# Remove the root password, making the account accessible for automated
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# tasks during the period of installation.
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einfo "Clearing root password"
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passwd -d root \
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|| die "Could not change root password"
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if [[ $IS_EFI == "true" ]]; then
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# Mount efi partition
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mount_efivars
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einfo "Mounting efi partition"
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mount_by_id "$DISK_ID_EFI" "/boot/efi"
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else
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# Mount bios partition
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einfo "Mounting bios partition"
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mount_by_id "$DISK_ID_BIOS" "/boot/bios"
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fi
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# Sync portage
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einfo "Syncing portage tree"
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try emerge-webrsync
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# Configure basic system things like timezone, locale, ...
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maybe_exec 'before_configure_base_system'
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configure_base_system
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maybe_exec 'after_configure_base_system'
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# Prepare portage environment
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maybe_exec 'before_configure_portage'
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configure_portage
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# Install git (for git portage overlays)
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einfo "Installing git"
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try emerge --verbose dev-vcs/git
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if [[ "$PORTAGE_SYNC_TYPE" == "git" ]]; then
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mkdir_or_die 0755 "/etc/portage/repos.conf"
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cat > /etc/portage/repos.conf/gentoo.conf <<EOF
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[DEFAULT]
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main-repo = gentoo
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[gentoo]
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location = /var/db/repos/gentoo
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sync-type = git
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sync-uri = $PORTAGE_GIT_MIRROR
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auto-sync = yes
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sync-depth = $([[ $PORTAGE_GIT_FULL_HISTORY == true ]] && echo -n 0 || echo -n 1)
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sync-git-verify-commit-signature = yes
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sync-openpgp-key-path = /usr/share/openpgp-keys/gentoo-release.asc
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EOF
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chmod 644 /etc/portage/repos.conf/gentoo.conf \
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|| die "Could not change permissions of '/etc/portage/repos.conf/gentoo.conf'"
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rm -rf /var/db/repos/gentoo \
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|| die "Could not delete obsolete rsync gentoo repository"
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try emerge --sync
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fi
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maybe_exec 'after_configure_portage'
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einfo "Generating ssh host keys"
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try ssh-keygen -A
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# Install authorized_keys before dracut, which might need them for remote unlocking.
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install_authorized_keys
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# Install required programs and kernel now, in oder to
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# prevent emerging module before an imminent kernel upgrade
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try emerge --verbose sys-kernel/dracut sys-kernel/gentoo-kernel-bin app-arch/zstd
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# Install mdadm if we used raid (needed for uuid resolving)
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if [[ $USED_RAID == "true" ]]; then
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einfo "Installing mdadm"
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try emerge --verbose sys-fs/mdadm
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fi
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# Install cryptsetup if we used luks
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if [[ $USED_LUKS == "true" ]]; then
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einfo "Installing cryptsetup"
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try emerge --verbose sys-fs/cryptsetup
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fi
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if [[ $SYSTEMD == "true" && $USED_LUKS == "true" ]] ; then
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einfo "Enabling cryptsetup USE flag on sys-apps/systemd"
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echo "sys-apps/systemd cryptsetup" > /etc/portage/package.use/systemd \
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|| die "Could not write /etc/portage/package.use/systemd"
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einfo "Rebuilding systemd with changed USE flag"
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try emerge --verbose --changed-use --oneshot sys-apps/systemd
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fi
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# Install btrfs-progs if we used btrfs
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if [[ $USED_BTRFS == "true" ]]; then
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einfo "Installing btrfs-progs"
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try emerge --verbose sys-fs/btrfs-progs
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fi
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try emerge --verbose dev-vcs/git
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# Install zfs kernel module and tools if we used zfs
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if [[ $USED_ZFS == "true" ]]; then
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einfo "Installing zfs"
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try emerge --verbose sys-fs/zfs sys-fs/zfs-kmod
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einfo "Enabling zfs services"
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if [[ $SYSTEMD == "true" ]]; then
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try systemctl enable zfs.target
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try systemctl enable zfs-import-cache
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try systemctl enable zfs-mount
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try systemctl enable zfs-import.target
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else
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try rc-update add zfs-import boot
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try rc-update add zfs-mount boot
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fi
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fi
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# Install kernel and initramfs
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maybe_exec 'before_install_kernel'
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install_kernel
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maybe_exec 'after_install_kernel'
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# Generate a valid fstab file
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generate_fstab
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# Install gentoolkit
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einfo "Installing gentoolkit"
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try emerge --verbose app-portage/gentoolkit
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if [[ $SYSTEMD == "true" ]]; then
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if [[ $SYSTEMD_NETWORKD == "true" ]]; then
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# Enable systemd networking and dhcp
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enable_service systemd-networkd
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enable_service systemd-resolved
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if [[ $SYSTEMD_NETWORKD_DHCP == "true" ]]; then
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echo -en "[Match]\nName=${SYSTEMD_NETWORKD_INTERFACE_NAME}\n\n[Network]\nDHCP=yes" > /etc/systemd/network/20-wired.network \
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|| die "Could not write dhcp network config to '/etc/systemd/network/20-wired.network'"
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else
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addresses=""
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for addr in "${SYSTEMD_NETWORKD_ADDRESSES[@]}"; do
|
|
addresses="${addresses}Address=$addr\n"
|
|
done
|
|
echo -en "[Match]\nName=${SYSTEMD_NETWORKD_INTERFACE_NAME}\n\n[Network]\n${addresses}Gateway=$SYSTEMD_NETWORKD_GATEWAY" > /etc/systemd/network/20-wired.network \
|
|
|| die "Could not write dhcp network config to '/etc/systemd/network/20-wired.network'"
|
|
fi
|
|
chown root:systemd-network /etc/systemd/network/20-wired.network \
|
|
|| die "Could not change owner of '/etc/systemd/network/20-wired.network'"
|
|
chmod 640 /etc/systemd/network/20-wired.network \
|
|
|| die "Could not change permissions of '/etc/systemd/network/20-wired.network'"
|
|
fi
|
|
else
|
|
# Install and enable dhcpcd
|
|
einfo "Installing dhcpcd"
|
|
try emerge --verbose net-misc/dhcpcd
|
|
|
|
enable_service dhcpcd
|
|
fi
|
|
|
|
if [[ $ENABLE_SSHD == "true" ]]; then
|
|
enable_sshd
|
|
fi
|
|
|
|
# Install additional packages, if any.
|
|
if [[ ${#ADDITIONAL_PACKAGES[@]} -gt 0 ]]; then
|
|
einfo "Installing additional packages"
|
|
# shellcheck disable=SC2086
|
|
try emerge --verbose --autounmask-continue=y -- "${ADDITIONAL_PACKAGES[@]}"
|
|
fi
|
|
|
|
if ask "Do you want to assign a root password now?"; then
|
|
try passwd root
|
|
einfo "Root password assigned"
|
|
else
|
|
try passwd -d root
|
|
ewarn "Root password cleared, set one as soon as possible!"
|
|
fi
|
|
|
|
# If configured, change to gentoo testing at the last moment.
|
|
# This is to ensure a smooth installation process. You can deal
|
|
# with the blockers after installation ;)
|
|
if [[ $USE_PORTAGE_TESTING == "true" ]]; then
|
|
einfo "Adding ~$GENTOO_ARCH to ACCEPT_KEYWORDS"
|
|
echo "ACCEPT_KEYWORDS=\"~$GENTOO_ARCH\"" >> /etc/portage/make.conf \
|
|
|| die "Could not modify /etc/portage/make.conf"
|
|
fi
|
|
|
|
maybe_exec 'after_install'
|
|
|
|
einfo "Gentoo installation complete."
|
|
[[ $USED_LUKS == "true" ]] \
|
|
&& einfo "A backup of your luks headers can be found at '$LUKS_HEADER_BACKUP_DIR', in case you want to have a backup."
|
|
einfo "You may now reboot your system or execute ./install --chroot $ROOT_MOUNTPOINT to enter your system in a chroot."
|
|
einfo "Chrooting in this way is always possible in case you need to fix something after rebooting."
|
|
}
|
|
|
|
function main_install() {
|
|
[[ $# == 0 ]] || die "Too many arguments"
|
|
|
|
gentoo_umount
|
|
install_stage3
|
|
|
|
[[ $IS_EFI == "true" ]] \
|
|
&& mount_efivars
|
|
gentoo_chroot "$ROOT_MOUNTPOINT" "$GENTOO_INSTALL_REPO_BIND/install" __install_gentoo_in_chroot
|
|
}
|
|
|
|
function main_chroot() {
|
|
# Skip if already mounted
|
|
mountpoint -q -- "$1" \
|
|
|| die "'$1' is not a mountpoint"
|
|
|
|
gentoo_chroot "$@"
|
|
}
|