Arch install scripts

arch-init.sh

# errexit on
set -e

echo Distroying /dev/sda and creating partition. Press Ctrl+C to exit
read -n1 -r -p "Press any key to continue"

sgdisk -Z --new=0:0:0 --typecode=0:8300 --new=0:0:0 --typecode=0:EF02 /dev/sda
mkfs.ext4 /dev/sda1
mkfs.ext4 /dev/sda2

echo Mounting /dev/sda1
mount /dev/sda1 /mnt

echo Bootstrapping...
cp /etc/pacman.d/mirrorlist /etc/pacman.d/mirrorlist.bak
curl -L "https://www.archlinux.org/mirrorlist/?country=US&protocol=http&protocol=https&use_mirror_status=on" | sed 's/^#Server/Server/' | head -20 > /etc/pacman.d/mirrorlist.raw
rankmirrors /etc/pacman.d/mirrorlist.raw > /etc/pacman.d/mirrorlist

pacstrap /mnt base base-devel

genfstab -p /mnt >> /mnt/etc/fstab

echo Executing post-init script
curl https://raw.githubusercontent.com/jiulongw/arch-init/master/arch-post.sh > /mnt/root/arch-post.sh
arch-chroot /mnt "/bin/bash" "/root/arch-post.sh"

umount /mnt

echo All Done. Type "reboot" to enjoy!

arch-post.sh

read -r -p "Enter computer name:" hostname
echo $hostname > /etc/hostname

echo "Setting root password"
passwd

read -r -p "Enter a new user name:" username
useradd -m -G wheel -s /bin/bash $username
passwd $username

echo setting up system...

# time zone
ln -fs /usr/share/zoneinfo/US/Pacific /etc/localtime

# locale
sed --in-place=.bak 's/^#en_US\.UTF-8/en_US\.UTF-8/' /etc/locale.gen
locale-gen
echo LANG=en_US.UTF-8 > /etc/locale.conf

# bootloader
pacman -S --noconfirm grub

grub-install --recheck /dev/sda
grub-mkconfig -o /boot/grub/grub.cfg

# sudo
echo '%wheel ALL=(ALL) NOPASSWD: ALL' >> /etc/sudoers

pacman -S --noconfirm xorg
pacman -S --noconfirm xfce4

sed -e '/^twm/d' -e '/^xclock/d' -e '/^xterm/d' -e '/^exec xterm/d' /etc/X11/xinit/xinitrc > /home/$username/.xinitrc

# for vbox only
pacman -S --noconfirm virtualbox-guest-utils
systemctl enable vboxservice
echo '/usr/bin/VBoxClient-all' >> /home/$username/.xinitrc

# enable startx
echo 'exec startxfce4' >> /home/$username/.xinitrc

# additional packages
pacman -S --noconfirm gvim
pacman -S --noconfirm git
pacman -S --noconfirm npm
pacman -S --noconfirm calc

# google chrome
runuser -l $username -c "curl -L -O https://aur.archlinux.org/cgit/aur.git/snapshot/google-chrome.tar.gz && tar -xvf google-chrome.tar.gz && cd google-chrome && makepkg -sri --noconfirm"

# display manager auto startx
pacman -S --noconfirm nodm
sed --in-place=.bak "s/{user}/$username/" /etc/nodm.conf
chmod +x /home/$username/.xinitrc
systemctl enable nodm

# networking
systemctl enable systemd-networkd
systemctl enable systemd-resolved

sed --in-place=.bak 's/ dns / resolve /' /etc/nsswitch.conf
printf '%s\n%s\n%s\n%s\n' '[Match]' 'Name=en*' '[Network]' 'DHCP=ipv4' > /etc/systemd/network/dhcp.network