# !/bin/bash
#
# Architect Installation Framework (2016-2017)
#
# Written by Carl Duff and @mandog for Archlinux
# Heavily modified and re-written by @Chrysostomus to install Manjaro instead
# Contributors: @papajoker, @oberon and the Manjaro-Community.
#
# This program is free software, provided under the GNU General Public License
# as published by the Free Software Foundation. So feel free to copy, distribute,
# or modify it as you wish.

setup_profiles() {
    # setup profiles with either git or package 
    if [[ -e /tmp/.git_profiles ]]; then 
        PROFILES="$DATADIR/profiles"
        clear
        # install git if not already installed
        inst_needed git
        # download manjaro-tools.-isoprofiles git repo
        if [[ -e $PROFILES ]]; then
            git -C $PROFILES pull 2>$ERR
            check_for_error "pull profiles repo" $?
        else
            git clone --depth 1 https://github.com/manjaro/iso-profiles.git $PROFILES 2>$ERR
            check_for_error "clone profiles repo" $?
        fi
    else
        PROFILES="/usr/share/manjaro-tools/iso-profiles"
        # Only show this information box once
        clear
        pacman -Sy --noconfirm $p manjaro-iso-profiles-{base,official,community} 2>$ERR
        check_for_error "update profiles pkgs" $?
    fi
}

enable_services() {
        # Enable services in the chosen profile
        echo "Enabling services"
        if [[ -e /mnt/.openrc ]]; then
            eval $(grep -e "enable_openrc=" $profile | sed 's/# //g')
            echo "${enable_openrc[@]}" | xargs -n1 > /tmp/.services
            echo /mnt/etc/init.d/* | xargs -n1 | cut -d/ -f5 > /tmp/.available_services
            grep -f /tmp/.available_services /tmp/.services > /tmp/.fix && mv /tmp/.fix /tmp/.services
            for service in $(cat /tmp/.services) ; do
                arch_chroot "rc-update add $service default" 2>$ERR
                check_for_error "enable $service" $?
            done

            # enable display manager for openrc
            if [[ "$(cat /tmp/.display-manager)" == sddm ]]; then
                sed -i "s/$(grep "DISPLAYMANAGER=" /mnt/etc/conf.d/xdm)/DISPLAYMANAGER=\"sddm\"/g" /mnt/etc/conf.d/xdm
                arch_chroot "rc-update add xdm default" 2>$ERR
                check_for_error "add xdm default: sddm" "$?"
                set_sddm_ck
            elif [[ "$(cat /tmp/.display-manager)" == lightdm ]]; then
                set_lightdm_greeter
                sed -i "s/$(grep "DISPLAYMANAGER=" /mnt/etc/conf.d/xdm)/DISPLAYMANAGER=\"lightdm\"/g" /mnt/etc/conf.d/xdm
                arch_chroot "rc-update add xdm default" 2>$ERR
                check_for_error "add xdm default: lightdm" "$?"

            else
                check_for_error "no DM installed."
                echo "no display manager was installed."
                sleep 2
            fi
        else
            eval $(grep -e "enable_systemd=" $profile | sed 's/# //g')
            echo "${enable_systemd[@]}" | xargs -n1 > /tmp/.services
            echo /mnt/usr/lib/systemd/system/* | xargs -n1 | cut -d/ -f7 | sed 's/.service//g' > /tmp/.available_services
            grep -f /tmp/.available_services /tmp/.services > /tmp/.fix && mv /tmp/.fix /tmp/.services
            arch_chroot "systemctl enable $(cat /tmp/.services)" 2>$ERR
            check_for_error "enable $(cat /tmp/.services)" $?
            arch_chroot "systemctl disable pacman-init" 2>$ERR
            check_for_error "disable pacman-init" $?

            # enable display manager for systemd
            if [[ "$(cat /tmp/.display-manager)" == lightdm ]]; then
                set_lightdm_greeter
                arch_chroot "systemctl enable lightdm" 2>$ERR
                check_for_error "enable lightdm" "$?"
            elif [[ "$(cat /tmp/.display-manager)" == sddm ]]; then
                arch_chroot "systemctl enable sddm" 2>$ERR
                check_for_error "enable sddm" "$?"
            elif [[ "$(cat /tmp/.display-manager)" == gdm ]]; then
                arch_chroot "systemctl enable gdm" 2>$ERR
                check_for_error "enable gdm" "$?"
            else
                check_for_error "no DM installed."
                echo "no display manager was installed"
                sleep 2
            fi
        fi
}

install_extra() {

    # Offer to install various "common" packages.
    DIALOG " $_InstComTitle " --checklist "\n$_InstComBody\n\n$_UseSpaceBar" 0 50 20 \
      "manjaro-settings-manager" "-" off \
      "pamac" "-" off \
      "octopi" "-" off \
      "pacli" "-" off \
      "pacui" "-" off \
      "fish" "-" off \
      "fisherman" "-" off \
      "zsh" "-" on \
      "zsh-completions" "-" on \
      "manjaro-zsh-config" "-" on \
      "grml-zsh-config" "-" off \
      "mhwd-chroot" "-" off \
      "bmenu" "-" on \
      "clonezilla" "-" off \
      "snapper" "-" off \
      "snap-pac" "-" off \
      "manjaro-tools-iso" "-" off \
      "manjaro-tools-base" "-" off \
      "manjaro-tools-pkg" "-" off 2>${PACKAGES}

    # If at least one package, install.
    if [[ $(cat ${PACKAGES}) != "" ]]; then
        clear
        basestrap -i ${MOUNTPOINT} $(cat ${PACKAGES}) 2>$ERR
        check_for_error "basestrap -i ${MOUNTPOINT} $(cat ${PACKAGES})" "$?"
    fi
}

filter_packages() {
        # Parse package list based on user input and remove parts that don't belong to pacman
        cat "$package_list" >> /mnt/.base 2>$ERR
        check_for_error "$FUNCNAME" $?
        echo "nilfs-utils" >> /mnt/.base
        if [[ -e /mnt/.openrc ]]; then
            evaluate_openrc
            # Remove any packages tagged with >systemd and remove >openrc tags
            sed -i '/>systemd/d' /mnt/.base
            sed -i 's/>openrc //g' /mnt/.base
        else
            # Remove any packages tagged with >openrc and remove >systemd tags
            sed -i '/>openrc/d' /mnt/.base
            sed -i 's/>systemd //g' /mnt/.base
        fi

        if [[ "$(uname -m)" == "x86_64" ]]; then
            # Remove any packages tagged with >i686 and remove >x86_64 tags
            sed -i '/>i686/d' /mnt/.base
            sed -i '/>nonfree_i686/d' /mnt/.base
            sed -i 's/>x86_64 //g' /mnt/.base
        else
            # Remove any packages tagged with >x86_64 and remove >i686 tags
            sed -i '/>x86_64/d' /mnt/.base
            sed -i '/>nonfree_x86_64/d' /mnt/.base
            sed -i 's/>i686 //g' /mnt/.base
        fi

        # If multilib repo is enabled, install multilib packages
        if grep -q "^[multilib]" /etc/pacman.conf; then
            # Remove >multilib tags
            sed -i 's/>multilib //g' /mnt/.base
            sed -i 's/>nonfree_multilib //g' /mnt/.base
        else
            # Remove lines with >multilib tag
            sed -i '/>multilib/d' /mnt/.base
            sed -i '/>nonfree_multilib/d' /mnt/.base
        fi

        if grep -q ">extra" /mnt/.base; then
            # User to select base|extra profile
            DIALOG "$_ExtraTitle" --no-cancel --menu "\n$_ExtraBody" 0 0 2 \
              "1" "full" \
              "2" "minimal" 2>/tmp/.version

            if [[ $(cat /tmp/.version) -eq 2 ]]; then
                check_for_error "selected 'minimal' profile"
                touch /tmp/.minimal
            else
                check_for_error "selected 'full' profile"
                [[ -e /tmp/.minimal ]] && rm /tmp/.minimal
            fi
        fi

        if [[ -e /tmp/.minimal ]]; then
            # Remove >extra tags
            sed -i 's/>basic //g' /mnt/.base
            sed -i '/>extra/d' /mnt/.base
        else
            # Remove >basic tags
            sed -i 's/>extra //g' /mnt/.base
            sed -i '/>basic/d' /mnt/.base
        fi
        # remove >manjaro flags and >sonar flags+pkgs until we support it properly
        sed -i '/>sonar/d' /mnt/.base
        sed -i 's/>manjaro //g' /mnt/.base
        # Remove commented lines
        # remove everything except the first word of every lines
        sed -i 's/\s.*$//' /mnt/.base
        # Remove lines with #
        sed -i '/#/d' /mnt/.base
        # remove KERNEL variable
        sed -i '/KERNEL/d' /mnt/.base
        # Remove empty lines
        sed -i '/^\s*$/d' /mnt/.base
        # remove zsh
        sed -i '/^zsh$/d' /mnt/.base

        # Remove packages that have been dropped from repos
        pacman -Ssq > /tmp/.available_packages
        grep -f /tmp/.available_packages /mnt/.base > /tmp/.tmp
        mv /tmp/.tmp /mnt/.base
}

install_base() {
    if [[ -e /mnt/.base_installed ]]; then
        DIALOG " $_InstBseTitle " --yesno "\n$_WarnInstBase\n\n" 0 0 && rm /mnt/.base_installed || return 0
    fi
    # Prep variables
    setup_profiles
    package_list=$PROFILES/shared/Packages-Root
    echo "" > ${PACKAGES}
    echo "" > ${ANSWER}
    BTRF_CHECK=$(echo "btrfs-progs" "-" off)
    F2FS_CHECK=$(echo "f2fs-tools" "-" off)
    KERNEL="n"
    mhwd-kernel -l | awk '/linux/ {print $2}' > /tmp/.available_kernels
    kernels=$(cat /tmp/.available_kernels)

    # User to select initsystem
    DIALOG " $_ChsInit " --menu "\n$_WarnOrc\n" 0 0 2 \
      "1" "systemd" \
      "2" "openrc" 2>${INIT}

    if [[ $(cat ${INIT}) != "" ]]; then
        if [[ $(cat ${INIT}) -eq 2 ]]; then
            check_for_error "init openrc"
            touch /mnt/.openrc
        else
            check_for_error "init systemd"
            [[ -e /mnt/.openrc ]] && rm /mnt/.openrc
        fi
    else
        return 0
    fi
    # Create the base list of packages
    echo "" > /mnt/.base
    # Choose kernel and possibly base-devel
    DIALOG " $_InstBseTitle " --checklist "$_InstStandBseBody$_UseSpaceBar" 0 0 12 \
      $(cat /tmp/.available_kernels |awk '$0=$0" - off"') \
      "base-devel" "-" off 2>${PACKAGES} || return 0
      cat ${PACKAGES} >> /mnt/.base

    if [[ $(cat ${PACKAGES}) == "" ]]; then
        # Check to see if a kernel is already installed
        ls ${MOUNTPOINT}/boot/*.img >/dev/null 2>&1
        if [[ $? == 0 ]]; then
            check_for_error "linux-$(ls ${MOUNTPOINT}/boot/*.img | cut -d'-' -f2) is already installed"
            KERNEL="y"
        else
            for i in $(cat /tmp/.available_kernels); do
                [[ $(cat ${PACKAGES} | grep ${i}) != "" ]] && KERNEL="y" && break;
            done
        fi
        # If no kernel selected, warn and restart
        if [[ $KERNEL == "n" ]]; then
            DIALOG " $_ErrTitle " --msgbox "$_ErrNoKernel" 0 0
            check_for_error "no kernel installed."
            return 0
        fi
    else
        check_for_error "selected: $(cat ${PACKAGES})"

        # Choose wanted kernel modules
        DIALOG " $_ChsAddPkgs " --checklist "\n\n$_UseSpaceBar" 0 0 12 \
          "KERNEL-headers" "-" off \
          "KERNEL-acpi_call" "-" on \
          "KERNEL-ndiswrapper" "-" on \
          "KERNEL-broadcom-wl" "-" off \
          "KERNEL-r8168" "-" off \
          "KERNEL-rt3562sta" "-" off \
          "KERNEL-tp_smapi" "-" off \
          "KERNEL-vhba-module" "-" off \
          "KERNEL-virtualbox-guest-modules" "-" off \
          "KERNEL-virtualbox-host-modules" "-" off \
          "KERNEL-spl" "-" off \
          "KERNEL-zfs" "-" off 2>/tmp/.modules
        [[ $(cat /tmp/.modules) == "" ]] && return 0

        check_for_error "modules: $(cat /tmp/.modules)"
        for kernel in $(cat ${PACKAGES} | grep -v "base-devel") ; do
            cat /tmp/.modules | sed "s/KERNEL/\ $kernel/g" >> /mnt/.base
        done

        # If a selection made, act
        if [[ $(cat ${PACKAGES}) != "" ]]; then
            clear
            echo "" > /tmp/.desktop
            filter_packages
            check_for_error "packages to install: $(cat /mnt/.base | tr '\n' ' ')"
            basestrap ${MOUNTPOINT} $(cat /mnt/.base) 2>$ERR
            check_for_error "install basepkgs" $?

            # If root is on btrfs volume, amend mkinitcpio.conf
            [[ $(lsblk -lno FSTYPE,MOUNTPOINT | awk '/ \/mnt$/ {print $1}') == btrfs ]] && sed -e '/^HOOKS=/s/\ fsck//g' -i ${MOUNTPOINT}/etc/mkinitcpio.conf && \
              check_for_error "root on btrfs volume. amend mkinitcpio."

            # If root is on nilfs2 volume, amend mkinitcpio.conf
            [[ $(lsblk -lno FSTYPE,MOUNTPOINT | awk '/ \/mnt$/ {print $1}') == nilfs2 ]] && sed -e '/^HOOKS=/s/\ fsck//g' -i ${MOUNTPOINT}/etc/mkinitcpio.conf && \
              check_for_error "root on nilfs2 volume. amend mkinitcpio."

            # Use mhwd to install selected kernels with right kernel modules
            # This is as of yet untested
            # arch_chroot "mhwd-kernel -i $(cat ${PACKAGES} | xargs -n1 | grep -f /tmp/.available_kernels | xargs)"

            # If the virtual console has been set, then copy config file to installation
            if [[ -e /tmp/vconsole.conf ]]; then
                if [[ -e /mnt/.openrc ]]; then 
                    cp -f /tmp/keymap ${MOUNTPOINT}/etc/conf.d/keymaps
                    arch_chroot "rc-update add keymaps boot"
                    cp -f  /tmp/consolefont ${MOUNTPOINT}/etc/conf.d/consolefont
                    arch_chroot "rc-update add consolefont boot"
                else    
                    cp -f /tmp/vconsole.conf ${MOUNTPOINT}/etc/vconsole.conf
                    check_for_error "copy vconsole.conf" $?
                fi
            fi

            # If specified, copy over the pacman.conf file to the installation
            if [[ $COPY_PACCONF -eq 1 ]]; then
                cp -f /etc/pacman.conf ${MOUNTPOINT}/etc/pacman.conf
                check_for_error "copy pacman.conf" $?
            fi

            # if branch was chosen, use that also in installed system. If not, use the system setting
            if [[ -e ${BRANCH} ]]; then
                sed -i "/Branch =/c\Branch = $(cat ${BRANCH})/" ${MOUNTPOINT}/etc/pacman-mirrors.conf 2>$ERR
                check_for_error "set target branch $(cat ${BRANCH})" $?
            else
                sed -i "/Branch =/c$(grep "Branch =" /etc/pacman-mirrors.conf)" ${MOUNTPOINT}/etc/pacman-mirrors.conf 2>$ERR
                check_for_error "use host branch: $(grep "Branch =" /etc/pacman-mirrors.conf | cut -d' ' -f3)" $?
            fi
            touch /mnt/.base_installed
            check_for_error "base installed succesfully."
        fi
    fi
}

install_bootloader() {
    check_base
    if [[ $? -eq 0 ]]; then
        if [[ $SYSTEM == "BIOS" ]]; then
            bios_bootloader
        else
            uefi_bootloader
        fi
    else
        HIGHLIGHT_SUB=2
    fi
}

uefi_bootloader() {
    #Ensure again that efivarfs is mounted
    [[ -z $(mount | grep /sys/firmware/efi/efivars) ]] && mount -t efivarfs efivarfs /sys/firmware/efi/efivars

    DIALOG " $_InstUefiBtTitle " --yesno "\n\n$_InstUefiBtBody\n" 0 0 || return 0
    clear
    basestrap ${MOUNTPOINT} grub efibootmgr dosfstools 2>$ERR
    check_for_error "$FUNCNAME grub" $?

    DIALOG " $_InstGrub " --infobox "$_PlsWaitBody" 0 0
    # if root is encrypted, amend /etc/default/grub
    boot_encrypted_setting
    #install grub
    arch_chroot "grub-install --target=x86_64-efi --efi-directory=${UEFI_MOUNT} --bootloader-id=manjaro_grub --recheck" 2>$ERR
    check_for_error "grub-install --target=x86_64-efi" $?

    # If encryption used amend grub
    [[ $LUKS_DEV != "" ]] && sed -i "s~GRUB_CMDLINE_LINUX=.*~GRUB_CMDLINE_LINUX=\"$LUKS_DEV\"~g" ${MOUNTPOINT}/etc/default/grub

    # If root is on btrfs volume, amend grub
    [[ $(lsblk -lno FSTYPE,MOUNTPOINT | awk '/ \/mnt$/ {print $1}') == btrfs ]] && \
      sed -e '/GRUB_SAVEDEFAULT/ s/^#*/#/' -i ${MOUNTPOINT}/etc/default/grub

    # Generate config file
    arch_chroot "grub-mkconfig -o /boot/grub/grub.cfg" 2>$ERR
    check_for_error "grub-mkconfig" $?

    # Ask if user wishes to set Grub as the default bootloader and act accordingly
    DIALOG " $_InstUefiBtTitle " --yesno "$_SetBootDefBody ${UEFI_MOUNT}/EFI/boot $_SetBootDefBody2" 0 0
    if [[ $? -eq 0 ]]; then
        arch_chroot "mkdir ${UEFI_MOUNT}/EFI/boot" 2>$ERR
        arch_chroot "cp -r ${UEFI_MOUNT}/EFI/manjaro_grub/grubx64.efi ${UEFI_MOUNT}/EFI/boot/bootx64.efi" 2>$ERR
        check_for_error "Install GRUB" $?
        DIALOG " $_InstUefiBtTitle " --infobox "\nGrub $_SetDefDoneBody" 0 0
        sleep 2
    fi

<<DISABLED_FOR_NOW
    "systemd-boot")
        arch_chroot "bootctl --path=${UEFI_MOUNT} install" 2>$ERR
        check_for_error "systemd-boot" $?

        # Deal with LVM Root
        [[ $(echo $ROOT_PART | grep "/dev/mapper/") != "" ]] && bl_root=$ROOT_PART \
          || bl_root=$"PARTUUID="$(blkid -s PARTUUID ${ROOT_PART} | sed 's/.*=//g' | sed 's/"//g')

        # Create default config files. First the loader
        echo -e "default  arch\ntimeout  10" > ${MOUNTPOINT}${UEFI_MOUNT}/loader/loader.conf 2>$ERR

        # Second, the kernel conf files
        [[ -e ${MOUNTPOINT}/boot/initramfs-linux.img ]] && \
          echo -e "title\tManjaro Linux\nlinux\t/vmlinuz-linux\ninitrd\t/initramfs-linux.img\noptions\troot=${bl_root} rw" \
          > ${MOUNTPOINT}${UEFI_MOUNT}/loader/entries/arch.conf
        [[ -e ${MOUNTPOINT}/boot/initramfs-linux-lts.img ]] && \
          echo -e "title\tManjaro Linux LTS\nlinux\t/vmlinuz-linux-lts\ninitrd\t/initramfs-linux-lts.img\noptions\troot=${bl_root} rw" \
          > ${MOUNTPOINT}${UEFI_MOUNT}/loader/entries/arch-lts.conf
        [[ -e ${MOUNTPOINT}/boot/initramfs-linux-grsec.img ]] && \
          echo -e "title\tManjaro Linux Grsec\nlinux\t/vmlinuz-linux-grsec\ninitrd\t/initramfs-linux-grsec.img\noptions\troot=${bl_root} rw" \
          > ${MOUNTPOINT}${UEFI_MOUNT}/loader/entries/arch-grsec.conf
        [[ -e ${MOUNTPOINT}/boot/initramfs-linux-zen.img ]] && \
          echo -e "title\tManjaro Linux Zen\nlinux\t/vmlinuz-linux-zen\ninitrd\t/initramfs-linux-zen.img\noptions\troot=${bl_root} rw" \
          > ${MOUNTPOINT}${UEFI_MOUNT}/loader/entries/arch-zen.conf

        # Finally, amend kernel conf files for LUKS and BTRFS
        sysdconf=$(ls ${MOUNTPOINT}${UEFI_MOUNT}/loader/entries/arch*.conf)
        for i in ${sysdconf}; do
            [[ $LUKS_DEV != "" ]] && sed -i "s~rw~$LUKS_DEV rw~g" ${i}
        done
DISABLED_FOR_NOW
}

# Grub auto-detects installed kernels, etc. Syslinux does not, hence the extra code for it.
bios_bootloader() {
    DIALOG " $_InstBiosBtTitle " --menu "$_InstBiosBtBody" 0 0 2 \
      "grub" "-" \
      "grub + os-prober" "-" 2>${PACKAGES} || return 0
    clear

    # If something has been selected, act
    if [[ $(cat ${PACKAGES}) != "" ]]; then
        sed -i 's/+\|\"//g' ${PACKAGES}
        basestrap ${MOUNTPOINT} $(cat ${PACKAGES}) 2>$ERR
        check_for_error "$FUNCNAME" $?

        # If Grub, select device
        if [[ $(cat ${PACKAGES} | grep "grub") != "" ]]; then
            select_device
            # if root is encrypted, amend /etc/default/grub
            boot_encrypted_setting
            # If a device has been selected, configure
            if [[ $DEVICE != "" ]]; then
                DIALOG " $_InstGrub " --infobox "$_PlsWaitBody" 0 0
                arch_chroot "grub-install --target=i386-pc --recheck $DEVICE" 2>$ERR
                check_for_error "grub-install --target=i386-pc" $?

                # if /boot is LVM (whether using a seperate /boot mount or not), amend grub
                if ( [[ $LVM -eq 1 ]] && [[ $LVM_SEP_BOOT -eq 0 ]] ) || [[ $LVM_SEP_BOOT -eq 2 ]]; then
                    sed -i "s/GRUB_PRELOAD_MODULES=\"\"/GRUB_PRELOAD_MODULES=\"lvm\"/g" ${MOUNTPOINT}/etc/default/grub
                fi

                # If encryption used amend grub
                [[ $LUKS_DEV != "" ]] && sed -i "s~GRUB_CMDLINE_LINUX=.*~GRUB_CMDLINE_LINUX=\"$LUKS_DEV\"~g" ${MOUNTPOINT}/etc/default/grub

                # If root is on btrfs volume, amend grub
                [[ $(lsblk -lno FSTYPE,MOUNTPOINT | awk '/ \/mnt$/ {print $1}') == btrfs ]] && \
                  sed -e '/GRUB_SAVEDEFAULT/ s/^#*/#/' -i ${MOUNTPOINT}/etc/default/grub

                arch_chroot "grub-mkconfig -o /boot/grub/grub.cfg" 2>$ERR
                check_for_error "grub-mkconfig" $?
            fi
        else
            # Syslinux
            DIALOG " $_InstSysTitle " --menu "$_InstSysBody" 0 0 2 \
              "syslinux-install_update -iam" "[MBR]" "syslinux-install_update -i" "[/]" 2>${PACKAGES}

            # If an installation method has been chosen, run it
            if [[ $(cat ${PACKAGES}) != "" ]]; then
                arch_chroot "$(cat ${PACKAGES})" 2>$ERR
                check_for_error "syslinux-install" $?

                # Amend configuration file. First remove all existing entries, then input new ones.
                sed -i '/^LABEL.*$/,$d' ${MOUNTPOINT}/boot/syslinux/syslinux.cfg
                #echo -e "\n" >> ${MOUNTPOINT}/boot/syslinux/syslinux.cfg

                # First the "main" entries
                [[ -e ${MOUNTPOINT}/boot/initramfs-linux.img ]] && echo -e "\n\nLABEL arch\n\tMENU LABEL Manjaro Linux\n\tLINUX \
                  ../vmlinuz-linux\n\tAPPEND root=${ROOT_PART} rw\n\tINITRD ../initramfs-linux.img" >> ${MOUNTPOINT}/boot/syslinux/syslinux.cfg
                [[ -e ${MOUNTPOINT}/boot/initramfs-linux-lts.img ]] && echo -e "\n\nLABEL arch\n\tMENU LABEL Manjaro Linux realtime LTS\n\tLINUX \
                  ../vmlinuz-linux-lts\n\tAPPEND root=${ROOT_PART} rw\n\tINITRD ../initramfs-linux-lts.img" >> ${MOUNTPOINT}/boot/syslinux/syslinux.cfg
                [[ -e ${MOUNTPOINT}/boot/initramfs-linux-grsec.img ]] && echo -e "\n\nLABEL arch\n\tMENU LABEL Manjaro Linux realtime\n\tLINUX \
                  ../vmlinuz-linux-grsec\n\tAPPEND root=${ROOT_PART} rw\n\tINITRD ../initramfs-linux-grsec.img" >> ${MOUNTPOINT}/boot/syslinux/syslinux.cfg
                [[ -e ${MOUNTPOINT}/boot/initramfs-linux-zen.img ]] && echo -e "\n\nLABEL arch\n\tMENU LABEL Manjaro Linux release candidate\n\tLINUX \
                  ../vmlinuz-linux-zen\n\tAPPEND root=${ROOT_PART} rw\n\tINITRD ../initramfs-linux-zen.img" >> ${MOUNTPOINT}/boot/syslinux/syslinux.cfg

                # Second the "fallback" entries
                [[ -e ${MOUNTPOINT}/boot/initramfs-linux.img ]] && echo -e "\n\nLABEL arch\n\tMENU LABEL Manjaro Linux Fallback\n\tLINUX \
                  ../vmlinuz-linux\n\tAPPEND root=${ROOT_PART} rw\n\tINITRD ../initramfs-linux-fallback.img" >> ${MOUNTPOINT}/boot/syslinux/syslinux.cfg
                [[ -e ${MOUNTPOINT}/boot/initramfs-linux-lts.img ]] && echo -e "\n\nLABEL arch\n\tMENU LABEL Manjaro Linux Fallback realtime LTS\n\tLINUX \
                  ../vmlinuz-linux-lts\n\tAPPEND root=${ROOT_PART} rw\n\tINITRD ../initramfs-linux-lts-fallback.img" >> ${MOUNTPOINT}/boot/syslinux/syslinux.cfg
                [[ -e ${MOUNTPOINT}/boot/initramfs-linux-grsec.img ]] && echo -e "\n\nLABEL arch\n\tMENU LABEL Manjaro Linux Fallback realtime\n\tLINUX \
                  ../vmlinuz-linux-grsec\n\tAPPEND root=${ROOT_PART} rw\n\tINITRD ../initramfs-linux-grsec-fallback.img" \
                  >> ${MOUNTPOINT}/boot/syslinux/syslinux.cfg
                [[ -e ${MOUNTPOINT}/boot/initramfs-linux-zen.img ]] && echo -e "\n\nLABEL arch\n\tMENU LABEL Manjaro Linux Fallbacl Zen\n\tLINUX \
                  ../vmlinuz-linux-zen\n\tAPPEND root=${ROOT_PART} rw\n\tINITRD ../initramfs-linux-zen-fallback.img" >> ${MOUNTPOINT}/boot/syslinux/syslinux.cfg

                # Third, amend for LUKS
                [[ $LUKS_DEV != "" ]] && sed -i "s~rw~$LUKS_DEV rw~g" ${MOUNTPOINT}/boot/syslinux/syslinux.cfg

                # Finally, re-add the "default" entries
                echo -e "\n\nLABEL hdt\n\tMENU LABEL HDT (Hardware Detection Tool)\n\tCOM32 hdt.c32" >> ${MOUNTPOINT}/boot/syslinux/syslinux.cfg
                echo -e "\n\nLABEL reboot\n\tMENU LABEL Reboot\n\tCOM32 reboot.c32" >> ${MOUNTPOINT}/boot/syslinux/syslinux.cfg
                echo -e "\n\n#LABEL windows\n\t#MENU LABEL Windows\n\t#COM32 chain.c32\n\t#APPEND root=/dev/sda2 rw" \
                  >> ${MOUNTPOINT}/boot/syslinux/syslinux.cfg
                echo -e "\n\nLABEL poweroff\n\tMENU LABEL Poweroff\n\tCOM32 poweroff.c32" ${MOUNTPOINT}/boot/syslinux/syslinux.cfg
            fi
        fi
    fi
}

boot_encrypted_setting() {
    # Check if there is separate encrypted /boot partition 
    if $(lsblk | grep '/mnt/boot' | grep -q 'crypt' ); then
        echo "GRUB_ENABLE_CRYPTODISK=y" >> /mnt/etc/default/grub
    # Check if root is encrypted and there is no separate /boot
    elif $(lsblk | grep "/mnt$" | grep -q 'crypt' ) && [[ $(lsblk | grep "/mnt/boot$") == "" ]]; then
        echo "GRUB_ENABLE_CRYPTODISK=y" >> /mnt/etc/default/grub
    else
        true
    fi
}

# Function will not allow incorrect UUID type for installed system.
generate_fstab() {
    DIALOG " $_ConfBseFstab " --menu "$_FstabBody" 0 0 4 \
      "fstabgen -p" "$_FstabDevName" \
      "fstabgen -L -p" "$_FstabDevLabel" \
      "fstabgen -U -p" "$_FstabDevUUID" \
      "fstabgen -t PARTUUID -p" "$_FstabDevPtUUID" 2>${ANSWER}

    if [[ $(cat ${ANSWER}) != "" ]]; then
        if [[ $SYSTEM == "BIOS" ]] && [[ $(cat ${ANSWER}) == "fstabgen -t PARTUUID -p" ]]; then
            DIALOG " $_ErrTitle " --msgbox "$_FstabErr" 0 0
            generate_fstab
        else
            $(cat ${ANSWER}) ${MOUNTPOINT} > ${MOUNTPOINT}/etc/fstab 2>$ERR
            check_for_error "$FUNCNAME" $?
            [[ -f ${MOUNTPOINT}/swapfile ]] && sed -i "s/\\${MOUNTPOINT}//" ${MOUNTPOINT}/etc/fstab
        fi
    fi
}

run_mkinitcpio() {
    clear
    KERNEL=""

    # If LVM and/or LUKS used, add the relevant hook(s)
    ([[ $LVM -eq 1 ]] && [[ $LUKS -eq 0 ]]) && { sed -i 's/block filesystems/block lvm2 filesystems/g' ${MOUNTPOINT}/etc/mkinitcpio.conf 2>$ERR || check_for_error "lVM2 hooks" $?; }
    ([[ $LVM -eq 1 ]] && [[ $LUKS -eq 1 ]]) && { sed -i 's/block filesystems/block encrypt lvm2 filesystems/g' ${MOUNTPOINT}/etc/mkinitcpio.conf 2>$ERR || check_for_error "lVM/LUKS hooks" $?; }
    ([[ $LVM -eq 0 ]] && [[ $LUKS -eq 1 ]]) && { sed -i 's/block filesystems/block encrypt filesystems/g' ${MOUNTPOINT}/etc/mkinitcpio.conf 2>$ERR || check_for_error "LUKS hooks" $?; }
    
    arch_chroot "mkinitcpio -P" 2>$ERR
    check_for_error "$FUNCNAME" "$?"
}

# virtual console keymap
set_keymap() {
    KEYMAPS=""
    for i in $(ls -R /usr/share/kbd/keymaps | grep "map.gz" | sed 's/\.map\.gz//g' | sort); do
        KEYMAPS="${KEYMAPS} ${i} -"
    done

    DIALOG " $_VCKeymapTitle " --menu "$_VCKeymapBody" 20 40 16 ${KEYMAPS} 2>${ANSWER} || return 0
    KEYMAP=$(cat ${ANSWER})

    loadkeys $KEYMAP 2>$ERR
    check_for_error "loadkeys $KEYMAP" "$?"
    # set keymap for openrc too
    echo "keymap=\"$KEYMAP\"" > /tmp/keymap
    biggest_resolution=$(head -n 1 /sys/class/drm/card*/*/modes | awk -F'[^0-9]*' '{print $1}' | awk 'BEGIN{a=   0}{if ($1>a) a=$1 fi} END{print a}')
    # Choose terminus font size depending on resolution
    if [[ $biggest_resolution -gt 1920 ]]; then
        FONT=ter-124n
    elif [[ $biggest_resolution -eq 1920 ]]; then
        FONT=ter-118n
    else
        FONT=ter-114n
    fi
    echo -e "KEYMAP=${KEYMAP}\nFONT=${FONT}" > /tmp/vconsole.conf
    echo -e "consolefont=\"${FONT}\"" > /tmp/consolefont
}

# locale array generation code adapted from the Manjaro 0.8 installer
set_locale() {
    LOCALES=""
    for i in $(cat /etc/locale.gen | grep -v "#  " | sed 's/#//g' | sed 's/ UTF-8//g' | grep .UTF-8); do
        LOCALES="${LOCALES} ${i} -"
    done

    DIALOG " $_ConfBseSysLoc " --menu "$_localeBody" 0 0 12 ${LOCALES} 2>${ANSWER} || return 0

    LOCALE=$(cat ${ANSWER})

    echo "LANG=\"${LOCALE}\"" > ${MOUNTPOINT}/etc/locale.conf
    sed -i "s/#${LOCALE}/${LOCALE}/" ${MOUNTPOINT}/etc/locale.gen 2>$ERR
    arch_chroot "locale-gen" >/dev/null 2>$ERR
    check_for_error "$FUNCNAME" "$?"
    if [[ -e /mnt/.openrc ]]; then 
        mkdir ${MOUNTPOINT}/etc/env.d
        echo "LANG=\"${LOCALE}\"" > ${MOUNTPOINT}/etc/env.d/02locale
    fi
}

# Set Zone and Sub-Zone
set_timezone() {
    ZONE=""
    for i in $(cat /usr/share/zoneinfo/zone.tab | awk '{print $3}' | grep "/" | sed "s/\/.*//g" | sort -ud); do
        ZONE="$ZONE ${i} -"
    done

    DIALOG " $_ConfBseTimeHC " --menu "$_TimeZBody" 0 0 10 ${ZONE} 2>${ANSWER} || return 1
    ZONE=$(cat ${ANSWER})

    SUBZONE=""
    for i in $(cat /usr/share/zoneinfo/zone.tab | awk '{print $3}' | grep "${ZONE}/" | sed "s/${ZONE}\///g" | sort -ud); do
        SUBZONE="$SUBZONE ${i} -"
    done

    DIALOG " $_ConfBseTimeHC " --menu "$_TimeSubZBody" 0 0 11 ${SUBZONE} 2>${ANSWER} || return 1
    SUBZONE=$(cat ${ANSWER})

    DIALOG " $_ConfBseTimeHC " --yesno "\n$_TimeZQ ${ZONE}/${SUBZONE}?\n\n" 0 0
    if (( $? == 0 )); then
        arch_chroot "ln -sf /usr/share/zoneinfo/${ZONE}/${SUBZONE} /etc/localtime" 2>$ERR
        check_for_error "$FUNCNAME ${ZONE}/${SUBZONE}" $?
    else
        return 1
    fi
}

set_hw_clock() {
    DIALOG " $_ConfBseTimeHC " --menu "$_HwCBody" 0 0 2 \
    "utc" "-" \
    "localtime" "-" 2>${ANSWER}

    if [[ $(cat ${ANSWER}) != "" ]]; then
        arch_chroot "hwclock --systohc --$(cat ${ANSWER})"  2>$ERR
        check_for_error "$FUNCNAME" "$?"
    fi
}

set_hostname() {
    DIALOG " $_ConfBseHost " --inputbox "$_HostNameBody" 0 0 "manjaro" 2>${ANSWER} || return 0

    echo "$(cat ${ANSWER})" > ${MOUNTPOINT}/etc/hostname 2>$ERR
    echo -e "#<ip-address>\t<hostname.domain.org>\t<hostname>\n127.0.0.1\tlocalhost.localdomain\tlocalhost\t$(cat \
      ${ANSWER})\n::1\tlocalhost.localdomain\tlocalhost\t$(cat ${ANSWER})" > ${MOUNTPOINT}/etc/hosts 2>$ERR
    check_for_error "$FUNCNAME"
}

# Adapted and simplified from the Manjaro 0.8 and Antergos 2.0 installers
set_root_password() {
    DIALOG " $_ConfUsrRoot " --clear --insecure --passwordbox "$_PassRtBody" 0 0 \
      2> ${ANSWER} || return 0
    PASSWD=$(cat ${ANSWER})

    DIALOG " $_ConfUsrRoot " --clear --insecure --passwordbox "$_PassReEntBody" 0 0 \
      2> ${ANSWER} || return 0
    PASSWD2=$(cat ${ANSWER})

    if [[ $PASSWD == $PASSWD2 ]]; then
        echo -e "${PASSWD}\n${PASSWD}" > /tmp/.passwd
        arch_chroot "passwd root" < /tmp/.passwd >/dev/null 2>$ERR
        check_for_error "$FUNCNAME" $?
        rm /tmp/.passwd
    else
        DIALOG " $_ErrTitle " --msgbox "$_PassErrBody" 0 0
        set_root_password
    fi
}

# Originally adapted from the Antergos 2.0 installer
create_new_user() {
    DIALOG " $_NUsrTitle " --inputbox "$_NUsrBody" 0 0 "" 2>${ANSWER} || return 0
    USER=$(cat ${ANSWER})

    # Loop while user name is blank, has spaces, or has capital letters in it.
    while [[ ${#USER} -eq 0 ]] || [[ $USER =~ \ |\' ]] || [[ $USER =~ [^a-z0-9\ ] ]]; do
        DIALOG " $_NUsrTitle " --inputbox "$_NUsrErrBody" 0 0 "" 2>${ANSWER} || return 0
        USER=$(cat ${ANSWER})
    done

    shell=""
    DIALOG " _NUsrTitle " --radiolist "\n$_DefShell\n$_UseSpaceBar" 0 0 3 \
      "zsh" "-" on \
      "bash" "-" off \
      "fish" "-" off 2>/tmp/.shell
    shell_choice=$(cat /tmp/.shell)

    case ${shell_choice} in
        "zsh") [[ ! -e /mnt/etc/skel/.zshrc ]] && basestrap ${MOUNTPOINT} manjaro-zsh-config
            shell=/usr/bin/zsh
            ;;
        "fish") [[ ! -e /mnt/usr/bin/fish ]] && basestrap ${MOUNTPOINT} fish
            shell=/usr/bin/fish
            ;;
        "bash") shell=/bin/bash
            ;;
    esac
    check_for_error "default shell: [${shell}]"

    # Enter password. This step will only be reached where the loop has been skipped or broken.
    DIALOG " $_ConfUsrNew " --clear --insecure --passwordbox "$_PassNUsrBody $USER\n\n" 0 0 \
      2> ${ANSWER} || return 0
    PASSWD=$(cat ${ANSWER})

    DIALOG " $_ConfUsrNew " --clear --insecure --passwordbox "$_PassReEntBody" 0 0 \
      2> ${ANSWER} || return 0
    PASSWD2=$(cat ${ANSWER})

    # loop while passwords entered do not match.
    while [[ $PASSWD != $PASSWD2 ]]; do
        DIALOG " $_ErrTitle " --msgbox "$_PassErrBody" 0 0

        DIALOG " $_ConfUsrNew " --clear --insecure --passwordbox "$_PassNUsrBody $USER\n\n" 0 0 \
          2> ${ANSWER} || return 0
        PASSWD=$(cat ${ANSWER})

        DIALOG " $_ConfUsrNew " --clear --insecure --passwordbox "$_PassReEntBody" 0 0 \
          2> ${ANSWER} || return 0
        PASSWD2=$(cat ${ANSWER})
    done

    # create new user. This step will only be reached where the password loop has been skipped or broken.
    DIALOG " $_ConfUsrNew " --infobox "$_NUsrSetBody" 0 0
    sleep 2

    # Create the user, set password, then remove temporary password file
    arch_chroot "groupadd ${USER}"
    arch_chroot "useradd ${USER} -m -g ${USER} -G wheel,storage,power,network,video,audio,lp -s $shell" 2>$ERR
    check_for_error "add user to groups" $?
    echo -e "${PASSWD}\n${PASSWD}" > /tmp/.passwd
    arch_chroot "passwd ${USER}" < /tmp/.passwd >/dev/null 2>$ERR
    check_for_error "create user pwd" $?
    rm /tmp/.passwd

    # Set up basic configuration files and permissions for user
    #arch_chroot "cp /etc/skel/.bashrc /home/${USER}"
    arch_chroot "chown -R ${USER}:${USER} /home/${USER}"
    [[ -e ${MOUNTPOINT}/etc/sudoers ]] && sed -i '/%wheel ALL=(ALL) ALL/s/^#//' ${MOUNTPOINT}/etc/sudoers
}