254 lines
7.9 KiB
Bash
Executable File
254 lines
7.9 KiB
Bash
Executable File
#!/bin/bash
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################################################
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# Initialize script environment
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# Find the directory this script is stored in. (from: http://stackoverflow.com/questions/59895)
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get_source_dir() {
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local source="${BASH_SOURCE[0]}"
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while [[ -h "${source}" ]]
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do
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local tmp="$(cd -P "$(dirname "${source}")" && pwd)"
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source="$(readlink "${source}")"
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[[ "${source}" != /* ]] && source="${tmp}/${source}"
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done
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echo -n "$(realpath "$(dirname "${source}")")"
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}
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export GENTOO_INSTALL_REPO_DIR_ORIGINAL="$(dirname "$(get_source_dir)")"
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export GENTOO_INSTALL_REPO_DIR="$GENTOO_INSTALL_REPO_DIR_ORIGINAL"
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export GENTOO_INSTALL_REPO_SCRIPT_ACTIVE=true
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export GENTOO_INSTALL_REPO_SCRIPT_PID=$$
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umask 0077
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source "$GENTOO_INSTALL_REPO_DIR/scripts/utils.sh"
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source "$GENTOO_INSTALL_REPO_DIR/scripts/config.sh"
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source "$GENTOO_INSTALL_REPO_DIR/scripts/functions.sh"
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[[ $I_HAVE_READ_AND_EDITED_THE_CONFIG_PROPERLY == true ]] \
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|| die "You have not properly read the config. Set I_HAVE_READ_AND_EDITED_THE_CONFIG_PROPERLY=true to continue."
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mkdir_or_die 0755 "$TMP_DIR"
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[[ $EUID == 0 ]] \
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|| die "Must be root"
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################################################
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# Functions
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install_stage3() {
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[[ $# == 0 ]] || die "Too many arguments"
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prepare_installation_environment
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partition_device
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format_partitions
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download_stage3
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extract_stage3
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}
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main_install_gentoo_in_chroot() {
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[[ $# == 0 ]] || die "Too many arguments"
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# Lock the root password, making the account unaccessible for the
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# period of installation, except by chrooting
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einfo "Locking root account"
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passwd -l root \
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|| die "Could not change root password"
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# Mount efi partition
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mount_efivars
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einfo "Mounting efi partition"
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mount_by_partuuid "$PARTITION_UUID_EFI" "/boot/efi"
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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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# 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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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=\"$KEYMAP\"" /etc/conf.d/keymaps \
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|| die "Could not sed replace in /etc/conf.d/keymaps"
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# Set locale
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einfo "Selecting locale"
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echo "$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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try eselect locale set "$LOCALE"
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# Update environment
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env_update
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# Prepare /etc/portage for autounmask
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mkdir_or_die 0755 "/etc/portage/package.use"
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touch_or_die 0644 "/etc/portage/package.use/zz-autounmask"
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mkdir_or_die 0755 "/etc/portage/package.keywords"
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touch_or_die 0644 "/etc/portage/package.keywords/zz-autounmask"
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einfo "Temporarily installing mirrorselect"
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try emerge --verbose --oneshot app-portage/mirrorselect
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einfo "Selecting fastest portage mirrors"
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try mirrorselect -s 4 -b 10 -D
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einfo "Adding ~$GENTOO_ARCH to ACCEPT_KEYWORDS"
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echo "ACCEPT_KEYWORDS=\"~$GENTOO_ARCH\"" >> /etc/portage/make.conf \
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|| die "Could not modify /etc/portage/make.conf"
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# Install git (for git portage overlays)
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einfo "Installing git"
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try emerge --verbose dev-vcs/git
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# Install vanilla kernel and efibootmgr, to be able to boot the system.
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einfo "Installing binary vanilla kernel"
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try emerge --verbose sys-kernel/vanilla-kernel-bin sys-boot/efibootmgr
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# Copy kernel to EFI
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local kernel_version
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kernel_version="$(find "/boot" -name "vmlinuz-*" -printf '%f\n' | sort -V | tail -1)" \
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|| die "Could not list newest kernel file"
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kernel_version="${kernel_version#vmlinuz-}" \
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|| die "Could not find kernel version"
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mkdir_or_die 0755 "/boot/efi/EFI"
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cp "/boot/initramfs-$kernel_version"* "/boot/efi/EFI/initramfs.img" \
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|| die "Could not copy initramfs to EFI partition"
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cp "/boot/vmlinuz-$kernel_version"* "/boot/efi/EFI/vmlinuz.efi" \
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|| die "Could not copy kernel to EFI partition"
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# Create boot entry
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einfo "Creating efi boot entry"
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local linuxdev
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linuxdev="$(get_device_by_partuuid "$PARTITION_UUID_LINUX")" \
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|| die "Could not resolve partition UUID '$PARTITION_UUID_LINUX'"
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local efidev
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efidev="$(get_device_by_partuuid "$PARTITION_UUID_EFI")" \
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|| die "Could not resolve partition UUID '$PARTITION_UUID_EFI'"
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local efipartnum="${efidev: -1}"
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try efibootmgr --verbose --create --disk "$PARTITION_DEVICE" --part "$efipartnum" --label "gentoo" --loader '\EFI\vmlinuz.efi' --unicode "root=$linuxdev initrd=\\EFI\\initramfs.img"
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# Generate a valid fstab file
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einfo "Generating fstab"
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install -m0644 -o root -g root "$GENTOO_INSTALL_REPO_DIR/configs/fstab" /etc/fstab \
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|| die "Could not overwrite /etc/fstab"
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echo "PARTUUID=$PARTITION_UUID_LINUX / ext4 defaults,noatime,errors=remount-ro,discard 0 1" >> /etc/fstab \
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|| die "Could not append entry to fstab"
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echo "PARTUUID=$PARTITION_UUID_EFI /boot/efi vfat defaults,noatime,fmask=0022,dmask=0022,noexec,nodev,nosuid,discard 0 2" >> /etc/fstab \
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|| die "Could not append entry to fstab"
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if [[ "$ENABLE_SWAP" == true ]]; then
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echo "PARTUUID=$PARTITION_UUID_SWAP none swap defaults,discard 0 0" >> /etc/fstab \
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|| die "Could not append entry to fstab"
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fi
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# Install and enable sshd
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if [[ "$INSTALL_SSHD" == true ]]; then
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einfo "Installing sshd"
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install -m0600 -o root -g root "$GENTOO_INSTALL_REPO_DIR/configs/sshd_config" /etc/ssh/sshd_config \
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|| die "Could not install /etc/ssh/sshd_config"
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rc-update add sshd default \
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|| die "Could not add sshd to default services"
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fi
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# Install and enable dhcpcd
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einfo "Installing dhcpcd"
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try emerge --verbose net-misc/dhcpcd
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rc-update add dhcpcd default \
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|| die "Could not add dhcpcd to default services"
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# Install ansible
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if [[ "$INSTALL_ANSIBLE" == true ]]; then
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einfo "Installing ansible"
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try emerge --verbose app-admin/ansible
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einfo "Creating ansible user"
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useradd -r -d "$ANSIBLE_HOME" -s /bin/bash ansible
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mkdir_or_die 0700 "$ANSIBLE_HOME"
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mkdir_or_die 0700 "$ANSIBLE_HOME/.ssh"
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if [[ -n "$ANSIBLE_SSH_AUTHORIZED_KEYS" ]]; then
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einfo "Adding authorized keys for ansible"
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touch_or_die 0600 "$ANSIBLE_HOME/.ssh/authorized_keys"
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echo "$ANSIBLE_SSH_AUTHORIZED_KEYS" >> "$ANSIBLE_HOME/.ssh/authorized_keys" \
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|| die "Could not add ssh key to authorized_keys"
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fi
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chown -R ansible: "$ANSIBLE_HOME" \
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|| die "Could not change ownership of ansible home"
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einfo "Allowing ansible for ssh"
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echo "AllowUsers ansible" >> "/etc/ssh/sshd_config" \
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|| die "Could not append to /etc/ssh/sshd_config"
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fi
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# Install additional packages, if any.
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if [[ -n "$ADDITIONAL_PACKAGES" ]]; then
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einfo "Installing additional packages"
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try emerge --verbose --autounmask-continue=y -- $ADDITIONAL_PACKAGES
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fi
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if ask "Do you want to assign a root password now?"; then
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try passwd root
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einfo "Root password assigned"
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else
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try passwd -d root
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ewarn "Root password cleared, set one as soon as possible!"
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fi
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einfo "Gentoo installation complete."
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einfo "To chroot into the new system, simply execute the provided 'chroot' wrapper."
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einfo "Otherwise, you may now reboot your system."
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}
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main_install() {
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[[ $# == 0 ]] || die "Too many arguments"
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gentoo_umount
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install_stage3
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mount_efivars
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gentoo_chroot "$GENTOO_INSTALL_REPO_BIND/scripts/main.sh" install_gentoo_in_chroot
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gentoo_umount
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}
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main_chroot() {
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gentoo_chroot "$@"
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}
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main_umount() {
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gentoo_umount
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}
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################################################
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# Main dispatch
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# Instantly kill when pressing ctrl-c
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trap 'kill "$GENTOO_INSTALL_REPO_SCRIPT_PID"' INT
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SCRIPT_ALIAS="$(basename "$0")"
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if [[ "$SCRIPT_ALIAS" == "main.sh" ]]; then
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SCRIPT_ALIAS="$1"
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shift
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fi
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case "$SCRIPT_ALIAS" in
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"chroot") main_chroot "$@" ;;
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"install") main_install "$@" ;;
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"install_gentoo_in_chroot") main_install_gentoo_in_chroot "$@" ;;
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"umount") main_umount "$@" ;;
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*) die "Invalid alias '$SCRIPT_ALIAS' was used to execute this script" ;;
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esac
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