aconfig

#!/bin/bash
pacman -Syu --noconfirm ntp
systemctl enable ntp.service

#enable parallel downloads and color in pacman
sed -i '38 a ILoveCandy' /etc/pacman.conf
sed -i 's/#ParallelDownloads = 5/ParallelDownloads = 10/g' /etc/pacman.conf
sed -i 's/#Color/Color/g' /etc/pacman.conf

#enable multilib repositories
sed -i '94,95s/#//g' /etc/pacman.conf

#check if portable installation
while :
do 
      echo "Is this a portable USB installation? (yes,no)"
      read portable
      if [ "$portable" == "yes" ]
      then
            break
      else
            sed -i 's/-march=x86-64 -mtune=generic/-march=native -mtune=native/g' /etc/makepkg.conf
            break
      fi
done

#makepkg config, set arch and tune to native if not portable, set number of jobs to number of threads
if [ "$portable" == "yes" ]
then
      processorCount=`nproc --all`
      sed -i 's/#MAKEFLAGS=/MAKEFLAGS=/g' /etc/makepkg.conf
      sed -i "s/-j./-j$processorCount/g" /etc/makepkg.conf
fi

#Install kernel + key packages
pacman -Syu --noconfirm archlinux-keyring
pacman -Syu --noconfirm grub os-prober nano initramfs linux linux-lts linux-lts-headers linux-headers reflector kernel-modules-hook

#reflector
reflector --verbose --ipv4 --protocol https,http --score 50 --fastest 10 --save /etc/pacman.d/mirrorlist

#locale setup
echo "Select locale:"
read -p "Press enter to continue:"

#nano /etc/locale.gen
locale-gen
echo en_US.UTF-8 UTF-8 > /etc/locale.gen
localectl set-locale LANG=en_US.UTF-8
export LANG=en_US.UTF-8
locale -a

echo "Select your timezone:"
tzselect | read timeZone
ln -sf $timeZone /etc/localtime
hwclock --systohc --utc

clear

#swap file
echo "Would you like a swap file? (yes,no)"
read swapAnswer

if [ "$swapAnswer" == "yes" ]
then
      echo "What size swap file would you like in MiB?"
      read swapSize
      dd if=/dev/zero of=/swapfile bs=1M count=$swapSize status=progress
      chmod 600 /swapfile
      mkswap /swapfile
      swapon /swapfile
      echo "# /swapfile" >> /etc/fstab
      echo "/swapfile none swap defaults,lazytime 0 0" >> /etc/fstab
fi

#User setup
echo "What should the hostname be?"
read hostName
echo "$hostName" >> /etc/hostname
echo "127.0.1.1 localhost.localdomain $hostName" >> /etc/hosts

clear

echo "Create password for root:"
passwd

clear

echo "What should the user name be?"
read userName
useradd -m -g users -G wheel,storage,power,tty -s /bin/bash $userName

clear

echo "Create password for $userName:"
passwd $userName
#Allow all users in wheel group to use sudo if they know the password
echo "%wheel ALL=(ALL:ALL) ALL" >> /etc/sudoers
#Set sudo timeout to 60 minutes
echo "Defaults timestamp_timeout=60" >> /etc/sudoers
#Remove prompt timeout for sudo
echo "Defaults passwd_timeout=0" >> /etc/sudoers

#bootloader-gen
os-prober
##reorder autodetect and block hooks for universal hardware booting
sed -i 's/autodetect modconf block/block autodetect modconf/g' /etc/mkinitcpio.conf
mkinitcpio -p linux

UEFI="null"
while :
do
      echo "Is this a UEFI system? (yes, no, both)"
      read UEFI
      if [ "$UEFI" == "yes" ]
      then
            pacman -S --noconfirm efibootmgr
            #/boot/efi already made
            grub-install --removable --target=x86_64-efi --bootloader-id=ArchLinux --efi-directory=/boot/efi
            break
      elif [ "$UEFI" == "no" ]
      then
            echo "Where should grub be installed? (sda, sdb)"
            read iGrub
            grub-install --target=i386-pc --recheck /dev/$iGrub
            break
      elif [ "$UEFI" == "both" ]
      then
            pacman -S --noconfirm efibootmgr
            #/boot/efi already made
            grub-install --removable --target=x86_64-efi --bootloader-id=ArchLinux --efi-directory=/boot/efi
            
            echo "Where should the grub be installed? (sda, sdb)"
            read iGrub
            grub-install --target=i386-pc --recheck /dev/$iGrub
            break
      fi
done

echo -e "\n\nGRUB_DEFAULT=saved" >> /etc/default/grub
echo "GRUB_SAVEDEFAULT=true" >> /etc/default/grub
echo "GRUB_FORCE_HIDDEN_MENU=TRUE" >> /etc/default/grub

#microcode
while :
do
      echo "Does this system have an Intel or AMD CPU? Or is this a portable install? (intel,amd,portable)"
      read PROC
      if [ "$PROC" == "intel" ]
      then
            pacman -S --noconfirm intel-ucode
            break
      elif [ "$PROC" == "amd" ]
      then
            pacman -S --noconfirm amd-ucode
            break
      elif [ "$PROC" == "portable" ]
      then
            pacman -S --noconfirm amd-ucode intel-ucode
            break
      fi
done

grub-mkconfig -o /boot/grub/grub.cfg

if [ "$UEFI" == "yes" ]
then
      mkdir /boot/efi/EFI/BOOT
      cp /boot/efi/EFI/GRUB/grubx64.efi /boot/efi/EFI/BOOT/BOOTX64.EFI
      echo "bcf boot add 1 fs0:\EFI\GRUB\grubx64.efi \"Arch GRUB bootloader\"\nexit" >> /boot/efi/startup.nsh
fi

clear

#aur helper
echo "Installing yay:"
echo EDITOR="/usr/bin/nano" >> /etc/environment

chown -hR $userName /home/$userName

cd /home/$userName
curl -O https://aur.archlinux.org/cgit/aur.git/snapshot/yay.tar.gz
tar -xvzf yay.tar.gz
cd /home/$userName/yay

chown -hR $userName /home/$userName

sudo -u $userName makepkg -csri --skippgpcheck

clear

#default packages
yay -Syu --noconfirm wayland xorg-xwayland linux-firmware networkmanager bash-completion wpa_supplicant xorg-xinit xf86-video-vesa xorg-apps xorg firefox alsa-utils pipewire jamesdsp-pipewire-bin lib32-pipewire wireplumber pipewire-alsa pipewire-pulse p7zip htop wine-staging winetricks libreoffice-fresh mpv adwaita-icon-theme links ntfs-3g deluge code noto-fonts noto-fonts-emoji noto-fonts-cjk noto-fonts-extra 

clear

#desktop environment
echo "Which desktop environment would you like to use? (plasma, gnome3, xfce, or none)"
read deWM
case $deWM in
      plasma)
           pacman -S --noconfirm plasma-meta plasma-nm spectacle konsole gwenview dolphin partitionmanager kate ark knotes qpwgraph plasma-wayland-session
           systemctl enable sddm.service ;;
      gnome3)
           pacman -S --noconfirm gnome gparted gedit file-roller helvum
           systemctl enable gdm.service ;;
      xfce)
           pacman -S --noconfirm xfce4 xfce4-goodies gparted file-roller deluge sddm network-manager-applet gvfs helvum
           systemctl enable sddm.service ;;
      none)
           ;;
esac

######anbox may need some fuckery to get yay to cooperate due to not being $userName ~~~~~maybe replace this with waydroid stuff once wayland works for everything
######echo "Install if you wish to have android app support"
######yay -Syu anbox-git anbox-image-gapps-rooted


sysctl -w net.ipv4.ip_default_ttl=128

systemctl enable NetworkManager
systemctl enable wpa_supplicant
systemctl enable bluetooth.service

systemctl enable linux-modules-cleanup

systemctl daemon-reload

rm -rf /ainstall /aconfig /home/$userName/yay*

clear

while :
do 
      echo "Does this system have an AMD or Nvidia GPU? (amd,nvidia,none)"
      read gpu
      if [ "$gpu" == "amd" ]
      then
            pacman -S --noconfirm mesa lib32-mesa xf86-video-amdgpu vulkan-radeon lib32-vulkan-radeon libva-mesa-driver lib32-libva-mesa-driver mesa-vdpau lib32-mesa-vdpau
            break
      elif [ "$gpu" == "nvidia" ]
      then
            echo "Install Nvidia GPU drivers with package nvidia, nvidia-open, nvidia-340xx, or nvidia-304xx"
            echo "You'll also probably want nvidia-settings and lib32-nvidia-utils for configuration and games."
            break
      fi
done

echo "You may need to modprobe your wifi driver to get it running at first."
echo "Reboot when ready."