#!/bin/env bash

## author: si9ma

## my blog: si9ma.com

##

## use this script to install desktop environment

##

. log.sh

# don't run this script as root

. no_root.sh

EXIT_MSG="You have left from Archlinux Installer!"

HEADER="Archlinux Installer"

# get usrname

usrname=$(whoami)

### 1.install drivers

## install video driver,now just support intel card

card=$(lspci | grep -e VGA -e 3D)

title="Install Driver"

msg="Your video card infomation:\n$card\n\nPlease select the video card driver suitable for your computer. [ESC] to exit installer\n\nPlease confirm before typing the [ENTER], because you can't undo it."

driver_list=$(pacman -Ss xf86-video | grep "/xf" | cut -d "/" -f 2 | cut -d " " -f 1)

# duplicate

for driver in $driver_list

do

if [ "$driver" != "xf86-video-vmware" ]

then

desc=$(echo $driver | cut -d "-" -f 3)

temp="${temp} ${driver} $desc"

fi

done

driver_list=$temp

temp=

driver_list="VirtualBox Driver-for-VirtualBox VMware Driver-for-VMware ${driver_list}"

dialog --ascii-lines --no-cancel --ok-button "Select" --title "$title" --backtitle "$HEADER" --menu "$msg" 18 75 18 $driver_list 2>tempfile

retval=$?

choice=$(cat tempfile)

echo

case $retval in

255) # ESC

echo $EXIT_MSG

exit 255;;

esac

# for VirtualBox

echo

if [ "$choice" = "VirtualBox" ]

then

sudo pacman --noconfirm -S virtualbox-guest-modules-arch

elif [ "$choice" = "VMware" ] # for VMware

then

sudo pacman --noconfirm -S open-vm-tools xf86-video-vmware xf86-input-vmmouse mesa-libgl lib32-mesa-libgl

else # for others

sudo pacman --noconfirm -S $choice

fi

# install libinput ,for hadel device

sudo pacman -S --noconfirm libinput

# install xorg

sudo pacman -S --noconfirm xorg-server

### 2.install desktop environment

# Selector

title="Install Desktop Environment"

msg="Now, You need select your favorite desktop environment. [ESC] to exit installer\n\nPlease confirm before typing the [ENTER], because you can't undo it."

dialog --ascii-lines --no-cancel --ok-button "Select" --title "$title" --backtitle "$HEADER" --menu "$msg" 18 75 18 "Gnome" "A desktop environment that aims to be simple and easy to use" "KDE" "KDE Plasma Desktop" "Xfce" "A lightweight and modular Desktop environment currently based on GTK+2" 2>tempfile

retval=$?

choice=$(cat tempfile)

echo

case $retval in

255) # ESC

echo $EXIT_MSG

exit 255;;

esac

function install_done

}

# Gnome,Use gdm as Display Managers

if [ "$choice" = "Gnome" ]

then

sudo pacman --noconfirm -S gnome

#sudo pacman --noconfirm -S gdm

sudo systemctl enable gdm

# continue to configure gnome

bash /home/$usrname/Archlinux-Installer/gnome_config.sh

fi

# KDE,Use sddm as Display Managers

if [ "$choice" = "KDE" ]

then

sudo pacman --noconfirm -S plasma

sudo pacman --noconfirm -S sddm

sudo systemctl enable sddm

install_done

# reboot

reboot

fi

# Xfce,Use lxdm as Display Managers

if [ "$choice" = "Xfce" ]

then

sudo pacman --noconfirm -S xfce4

sudo pacman --noconfirm -S lxdm

sudo systemctl enable lxdm

install_done

# reboot

reboot

fi