install

#!/bin/bash
clear

# color codes
L=$(tput setaf bold)
R=$(tput setaf 1)
G=$(tput setaf 2)
B=$(tput setaf 33)
N=$(tput sgr0)

######################## functions #########################
# function for branding
function call {
    echo -ne "${L}${B}
              -------------------------------------
              |      Talha Arch Installer         |
              |                                   |   
              | visit: github.com/talha1896       |                              
              -------------------------------------
              ${N}"
}

# functions for color codes
# for red
function red {
    echo "${L}${R}$1${N}"
}
# for blue
function blue {
    echo "${L}${B}$1${N}"
}
# for green
function green {
    echo "${L}${G}$1${N}"
}
##############################################################
##################### Magic start from here ##################
call

# check internet
ping -c 1 archlinux.org &>/dev/null
if [ $? -eq 1 ]; then
  red "[-] Internet not connected"
exit 1
fi
##############################################################
# update mirrors
green "[+] Updating Arch linux mirrors"
sleep 1s
reflector --latest 10 --protocol https --sort rate --save /etc/pacman.d/mirrorlist
blue "[+] Updated"
sleep 1.5s
clear
##############################################################
###################### Installation begins from here #########
# update keyring
call
green "[+] updating keyring"
pacman -Sy --needed --noconfirm archlinux-keyring
blue "[+] updated" 
sleep 1s
clear

# Drive configuration
call
green "--------------  Drive configuration  -----------------"
red "Gettting disks information. Your general disk configuration should be like :~"
echo "/dev/sda1 filesystem partition size must be above 8gb"
echo "/dev/sda2 swap partition must be 1 gb"
echo "/dev/sda3 boot partition for uefi only. size may be 100mb"
red "if you understand this then press Enter to continue"
read
read -p "Do you want to config your drives as above before proceeding to main steps. (y/n):" choice
case $choice in
    y)
     green "okay! opening disk configuration tool.wait ...."
     sleep 2s
      cfdisk
     ;;
     n)
     # do noting
     ;;
esac

clear
call
blue "Your pc has these drives:"
lsblk
red "Double check before proceeding this step will format your drive"
read -p "Write the drive in which you want to install Arch. (eg: /dev/sda1):" drive
green "creating partition"
mkfs.ext4 $drive
mount $drive /mnt
blue "created Arch filesystem drive"

# for swap
read -p "Did you also want to create swap partition? [y/n]: " answerswap
case "$answerswap" in
  y | Y | yes | Yes | YES)
  green "Enter swap partition (eg: /dev/sda3): "
  read swappartition
  mkswap "$swappartition"
  swapon "$swappartition"
blue "swap partition created"
;;
  *)
  red "Skipping Swap partition!"
  ;;
esac

#for uefi 
read -p "Is you are installing in uefi system. (y/n):" uefi
case $uefi in
    y) 
    lsblk
    read -p "Write the boot partition,which has size around 100mb. (eg. /dev/sda4): " answerefi
    mkfs.fat -F 32 "$answerefi"
    green "boot partition created"
    clear
    ;;
    n)
    # do noting
    ;;
esac
clear

################################# Install base  ##############################
call
green "----------- Install base packages -----------------"
blue "Installing ......"
sleep 1s
# install base
pacstrap /mnt base base-devel curl
#generating fstab file
genfstab -U /mnt >> /mnt/etc/fstab &>/dev/null
blue "Installed"
sleep 2s
clear

############################### Post installation #################
call
green "Main installation is finished"
echo "changing script from archiso to newly created system"
sleep 3s
# now start post script
sed '1,/^#part2$/d' install > /mnt/post-install
chmod +x /mnt/post-install
arch-chroot /mnt ./post-install

############################### Install everything ################################
#part2
call
green "----------- Entered in newly created system --------------"
blue "Updating pacman repo"
pacman -Sy

# install kernal
echo "Which processer your pc has:" 
blue "[1] intel"
green "[2] amd" 
read -p "Which processer your pc has:" choice
case $choice in
    1)
     pacman -S linux linux-headers intel-ucode --noconfirm
blue "Driver Installed" 
sleep 2s
clear
    ;;

    2)
    pacman -S linux linux-headers amd-ucode --noconfirm
blue "Driver Installed" 
sleep 2s
clear
    ;;
esac

########################################################
####################### Post installation #################
call
green "----------- Post Installation ---------------"

# set timezone
blue "set time zone"
read -p "write your location (eg: Asia/Karachi):" time
ln -sf /usr/share/zoneinfo/$time /etc/localtime
hwclock --systohc

# hiden default things
echo "en_US.UTF-8 UTF-8" >> /etc/locale.gen
locale-gen
echo "LANG=en_US.UTF-8" > /etc/locale.conf
echo "KEYMAP=us" > /etc/vconsole.conf

# set hostname
read -p "Write your pc host name. (eg: Arch):" hostname
echo $hostname > /etc/hostname
echo "127.0.0.1       localhost" >> /etc/hosts
echo "::1             localhost" >> /etc/hosts
echo "127.0.1.1       $hostname" >> /etc/hosts
green "Now your pc host name is $hostname"
sleep 2s
clear


###############################
call
green "........ Almost completed........."

# install grub
blue "Installing grub"
sleep 2s
pacman -Sy --needed --noconfirm grub networkmanager efibootmgr
systemctl enable NetworkManager &>/dev/null

green "Enter the drive name to install bootloader in it. (eg: /dev/sda):"
red "Enter drive name only like /dev/sda not like /dev/sda1:"
read grubdrive
grub-install --target=i386-pc $grubdrive
grub-mkconfig -o /boot/grub/grub.cfg
blue "Grub installed"
sleep 3s

clear
call
red "Enter password for root:"
passwd
# add regular user
read "Enter username to add a regular user: " username
useradd -m users -G wheel,audio,video -s /bin/bash $username
blue "Enter password for "$username": "
passwd $username
echo "$username ALL=(ALL) ALL" >> /etc/sudoers.d/$username
green "$username added"
blue "All things are done succesfully"
green "Thank you for using this script.You can reboot your pc now"
read
exit