install.sh / Parabola installation hck for Parabola GNOME

#!/bin/bash
#Temporal is a file that contains parameters to use when access to chroot

pacman -Sy parabola-keyring --noconfirm
pacman-key --populate parabola
pacman-key --refresh-keys

partition(){

    #Search and show the Hard Disks to select
    aux=$(ls /dev/sd?)
    index=0
    for i in $aux; do
        hdds[$index]="${i} ${i#/*/} off"
        index=$((index+1))
    done

    hdd=$(dialog --stdout --radiolist "Select Hard Disk" 20 70 50 ${hdds[@]})

    #If exist the line delete
    if (cat ~/.scriptsInstallation/temporal | grep "hdd=") &>/dev/null
    then
        sed -i -e '/hdd=*/d' ~/.scriptsInstallation/temporal
    fi

    #And add the new line with new parameter
    echo "hdd=$hdd" >> ~/.scriptsInstallation/temporal

    selection=$(dialog --stdout --menu "Partitioning method"  20 70 50 \
            1 "Use all disk with swap (1GB) and /" \
            2 "Use gparted to customize" )

    case $selection in
        1)
            umount /mnt &> /dev/null
            #Create msdos partition table
            parted -s $hdd -- mklabel msdos

            #Create partition swap and /
            parted -s $hdd -- mkpart primary 1MiB 1000MiB mkpart primary 1000MiB -1s

                        #Boot option partition /
                        parted -s $hdd -- set 2 boot on

            #Format and partitions and mount /
            (echo t; echo 1; echo 82; echo w) | fdisk $hdd
            mkswap ${hdd}1
            mkfs.ext4 ${hdd}2
            mount ${hdd}2 /mnt
            ;;
        2)
            gparted $hdd

            #Search and show the partitions that select before.
            aux=$(ls $hdd?)
            index=0;
            for i in $aux; do
                partitions[$index]="${i} ${i#/*/} off"
                index=$((index+1))
            done

            partition=$(dialog --stdout --radiolist "Mount / Partition" 20 70 50 ${partitions[@]})

            #Mount partition /
            umount /mnt &> /dev/null
            mount $partition /mnt

            #Ask if you want mount other partitions
            other=0
            while [ $other != 3 ]; do
                other=$(dialog --stdout --menu "Mount other partition?" 20 70 50 1 "/home" 2 "/boot" 3 "No")

                case $other in
                1)
                    umount /mnt/home &> /dev/null
                    mkdir /mnt/home &> /dev/null
                    mount $(dialog --stdout --radiolist "Mount /home Partition" 20 70 50 ${partitions[@]}) /mnt/home
                    ;;
                2)
                    umount /mnt/boot &> /dev/null
                    mkdir /mnt/boot &> /dev/null
                    mount $(dialog --stdout --radiolist "Mount /boot Partition" 20 70 50 ${partitions[@]}) /mnt/boot
                    ;;
                *)
                    other=3
                    ;;
                esac
            done
            ;;
        esac
}


option=0
while [ option != 7 ]; do
    option=$(dialog --stdout --menu "Parabola Installation CLI"  20 70 50 \
            1 "Format and Mount Partitions" \
            2 "Install Base System" \
            3 "Install GRUB" \
            4 "System Configure" \
            5 "(Optional) Install Live DVD Desktop/Applications" \
            6 "Create User Account" \
            7 "Exit" )

    case $option in
        1)
            partition
            ;;
        2)
            #Install base system
            pacstrap /mnt
            pacstrap /mnt dialog
            ;;
        3)
            #Install grub
            pacstrap /mnt grub grub2-theme-gnuaxiom
            #Enable Parabola theme for grub
            sed -i 's|[#]GRUB_THEME=["]/path/to/gfxtheme["]|GRUB_THEME="/boot/grub/themes/GNUAxiom/theme.txt"|' /mnt/etc/default/grub
            ;;
        4)
            #Generate fstab and acces to chroot to do System Config
            genfstab -p /mnt >> /mnt/etc/fstab
            cp ~/.scriptsInstallation/temporal /mnt
            cp ~/.scriptsInstallation/systemConfig.sh /mnt
            chmod +x /mnt/systemConfig.sh
            arch-chroot /mnt /systemConfig.sh
            rm -r /mnt/systemConfig.sh
            ;;
        5)
            #Packages to the X11 live
            packages=(  "xorg-server"
                    "xf86-input-evdev"
                    "xf86-input-synaptics"
                    "xf86-video-vesa"
                    "xf86-video-intel"
                    "xf86-video-nouveau"
                    "xf86-video-ati"
                    "xf86-video-apm"
                    "xf86-video-ark"
                    "xf86-video-chips"
                    "xf86-video-dummy"
                    "xf86-video-fbdev"
                    "xf86-video-glint"
                    "xf86-video-i128"
                    "xf86-video-i740"
                    "xf86-video-intel"
                    "xf86-video-mach64"
                    "xf86-video-neomagic"
                    "xf86-video-nv"
                    "xf86-video-openchrome"
                    "xf86-video-r128"
                    "xf86-video-rendition"
                    "xf86-video-s3"
                    "xf86-video-s3virge"
                    "xf86-video-savage"
                    "xf86-video-siliconmotion"
                    "xf86-video-sis"
                    "xf86-video-sisusb"
                    "xf86-video-tdfx"
                    "xf86-video-trident"
                    "xf86-video-tseng"
                    "xf86-video-vmware"
                    "xf86-video-voodoo"
                    "xorg-xinit"
                    "sudo"
                    "gst-plugins-good"
                    "gst-libav"
                    "octopi"
                    "octopi-cachecleaner"
                    "octopi-notifier"
                    "octopi-repoeditor"
                    "ambiance-radiance-colors-suite"
                    "rave-x-colors"
                    "pulseaudio-alsa"
                    "alsa-utils"
                    "networkmanager"
                    "network-manager-applet"
                    "ath9k-htc-firmware"
                    "gnome-keyring"
                    "iceweasel"
                    "gparted"
                    "leafpad"
                    "grub2-theme-gnuaxiom"
                    "p7zip"
                    "unar"
                    "unzip"
                    "zip"
                    "gnome-shell"
                    "gdm"
                    )

            #Install packages
            pacstrap /mnt ${packages[@]}
            user=$(cat ~/.scriptsInstallation/temporal | grep "userName" )

            #Copy skel in the new system and desktop's background
            cp -a /etc/skel/ /mnt/etc/
            cp -a /etc/wallpaper.png /mnt/etc/wallpaper.png

            #Uncomment to allow members of group wheel to execute any command
            sed -i 's|[#] [%]wheel ALL=[(]ALL[)] ALL|%wheel ALL=(ALL) ALL|' /mnt/etc/sudoers

            #Enable services
            cp -a ~/.scriptsInstallation/x11.sh /mnt

            #Enable services with systemd
            chmod +x /mnt/x11.sh
            arch-chroot /mnt /x11.sh
            rm /mnt/x11.sh
            ;;
        6)
            #Create a new username and save in temporal, to use after
            if (cat ~/.scriptsInstallation/temporal | grep "userName=") &>/dev/null
            then
                sed -i -e '/userName=*/d' ~/.scriptsInstallation/temporal
            fi

            echo "userName=$(dialog --stdout --inputbox "Enter an User Name" 8 40)" >> ~/.scriptsInstallation/temporal
            cp ~/.codecheck /mnt
            cp ~/.scriptsInstallation/temporal /mnt
            cp ~/.scriptsInstallation/userAccount.sh /mnt
            chmod +x /mnt/userAccount.sh
            arch-chroot /mnt /userAccount.sh
            rm -r /mnt/userAccount.sh
            ;;
        *)
            #Delete temporal file and umount partitions
            rm -r /mnt/.codecheck
            rm -r /mnt/temporal
            umount /mnt/boot &> /dev/null
            umount /mnt/home &> /dev/null
            umount /mnt &> /dev/null
            exit
            ;;
    esac
done