prepares and installs an archlinux installation with btrfs on dm_crypt with gnome and one user. Partionining has to be done beforehand

aur.sh

#!/bin/bash

TMP_DIR=/opt/tmp
cd $TMP_DIR
tar -xvzf $1.tar.gz
cd $1
makepkg --asroot -si

fetch_dotfiles.sh

#!/bin/bash

user=$1
DIR=/opt/dot-files
git clone -b fish --single-branch https://[email protected]/sch1zo/dot-files.git $DIR
cd $DIR
git submodule update --init

cp $DIR/.* /home/$user -r
chown $user:users /home/$user -R

install.sh

#!/bin/bash

tmp=`dirname $0`
BASE=`realpath $tmp/..`
echo $BASE

pause(){
  read -p "$*"
}

refresh_pacman() {
  echo "refresh pacman"
  pacman -Sy
  pacman -S --noconfirm reflector
  reflector -f 6 -l 6 --save /etc/pacman.d/mirrorlist
  pacman -Syy
}

setup_LUKS(){
  local device=$1
  echo $device
  cryptsetup luksFormat $device
  cryptsetup luksOpen $device cryptroot
}

setup_btrfs(){
  local device=$1 ; shift 1
  # format and mount btrfs root
  mkfs.btrfs -f -L btrfs-root $device
  mount -o noatime,compress=lzo $device /mnt

  # setup btrfs layout/subvolumes
  cd /mnt
  mkdir __snapshot
  btrfs subvolume create __active
  cd __active
  for sub in "$@" ; do
    btrfs subvolume create $sub
    chmod 755 ../\__active $sub
  done
  cd /
  umount $device

  mount -o noatime,compress=lzo,subvol=__active $device /mnt
  cd /mnt
}

setup_boot(){
  # format and mount /boot
  mkfs.ext4 $1
  mkdir /mnt/boot
  mount $1 /mnt/boot
}

make_fs(){
  echo "make_fs"
  setup_btrfs $2 home var usr data
  setup_boot $1
}

bootstrap_arch(){
  echo "bootstrap"
  pacstrap /mnt base base-devel syslinux gptfdisk
  genfstab -p /mnt >> /mnt/etc/fstab

  read -p "hostname:(arch)" hostname
  if [[ -z "$hostname" ]]; then
    hostname='arch'
  fi
  echo $hostname > /mnt/etc/hostname

  #enable en_US.UTF-8
  vi /mnt/etc/locale.gen
  arch-chroot /mnt locale-gen
  echo LANG=en_US.UTF-8 > /mnt/etc/locale.conf
  #arch-chroot /mnt export LANG=en_US.UTF-8
  arch-chroot /mnt ln -s /usr/share/zoneinfo/Europe/Berlin /etc/localtime
  arch-chroot /mnt hwclock --systohc --utc
}


add_encrypt_hook(){
  sed -i '/^HOOKS/ s/filesystems/encrypt filesystems/' /mnt/etc/mkinitcpio.conf
  arch-chroot /mnt mkinitcpio -p linux
}

setup_syslinux(){
  local encrypt=$1 root=$2
  arch-chroot /mnt syslinux-install_update -i -a -m
  if $encrypt ; then
    sed -i 's/APPEND root=[a-z\/0-9]*/APPEND cryptdevice=\/dev\/sda2:cryptroot root=\/dev\/mapper\/cryptroot rootflags=subvol=__active/' /mnt/boot/syslinux/syslinux.cfg
  else
    sed -i 's/APPEND root=[a-z\/0-9]*/APPEND root=\/dev\/sda2 rootflags=subvol=__active/' /mnt/boot/syslinux/syslinux.cfg
  fi
}

setup_aur(){
  local tmp_dir=/opt/tmp
  mkdir -p /mnt/$tmp_dir
  cp /root/meh/install/aur.sh /mnt/$tmp_dir
  #wget -O /mnt/$tmp_dir/aur.sh https://gist.github.com/sch1zo/5653983/raw/0d1041f400e590ddd020c3337156aa30b9c2af7a/aur.sh
  arch-chroot /mnt pacman -S --noconfirm expac yajl
  wget -O /mnt/$tmp_dir/cower.tar.gz https://aur.archlinux.org/packages/co/cower/cower.tar.gz
  arch-chroot /mnt sh $tmp_dir/aur.sh cower
  wget -O /mnt/$tmp_dir/pacaur.tar.gz https://aur.archlinux.org/packages/pa/pacaur/pacaur.tar.gz
  arch-chroot /mnt sh $tmp_dir/aur.sh pacaur
  rm -r /mnt/$tmp_dir
}

setup_pacman(){
  arch-chroot /mnt pacman -S --noconfirm reflector
  arch-chroot /mnt reflector -f 6 -l 6 --save /etc/pacman.d/mirrorlist
  arch-chroot /mnt pacaur -S powerpill --asroot
  arch-chroot /mnt pacman -Syy
}

install_base_apps(){
  arch-chroot /mnt powerpill -S --noconfirm sudo git fish gvim curl tmux zsh htop \
 openssh wget bc rsync
}
install_x(){
  # install xserver, common stuff
  read -p "video-driver(xf86-video-intel)" VIDEO
  if [[ -z "$VIDEO" ]]; then
    VIDEO='xf86-video-intel'
  fi
  arch-chroot /mnt powerpill -S --noconfirm xorg-server xorg-server-utils xorg-xinit \
mesa xf86-input-synaptics $VIDEO ttf-ubuntu-font-family
}
install_x_amd(){
    arch-chroot /mnt powerpill -S --noconfirm xorg-server xorg-server-utils xorg-xinit \
  mesa ttf-ubuntu-font-family xf86-video-ati
}

install_gnome(){
  read -p "amd? (y/N)?"
  if [[ $REPLY == [yY] ]] ; then
    install_x_amd
  else
    install_x
  fi
  arch-chroot /mnt powerpill -S --noconfirm eog evince gdm gnome-backgrounds \
gnome-calculator gnome-contacts gnome-desktop gnome-dictionary gnome-control-center \
gnome-disk-utility gnome-font-viewer gnome-icon-theme gnome-icon-theme-extras \
gnome-icon-theme-symbolic gnome-keyring gnome-screenshot gnome-session \
gnome-settings-daemon gnome-shell gnome-system-log gnome-system-monitor \
gnome-terminal gnome-themes-standard gnome-user-docs gnome-user-share \
mousetweaks mutter nautilus sushi totem tracker xdg-user-dirs-gtk networkmanager \
network-manager-applet ntp
}

install_apps(){
  arch-chroot /mnt powerpill -S --noconfirm evolution evolution-ews cpupower \
virtualbox chromium rdesktop nss libreoffice-impress libreoffice-calc \
libreoffice-writer libreoffice-gnome pidgin vlc
}

get_dotfiles(){
  local tmp_dir=/opt/tmp
  mkdir -p /mnt/$tmp_dir
  cp /root/meh/install/fetch_dotfiles.sh /mnt/$tmp_dir
  #wget -O /mnt/$tmp_dir/fetch_dotfiles.sh https://gist.github.com/sch1zo/5653983/raw/a718ff3f79979d4b16a5540e132bcaeb7f172d44/fetch_dotfiles.sh
  arch-chroot /mnt sh $tmp_dir/fetch_dotfiles.sh $1
  rm -r /mnt/$tmp_dir
}

setup_users(){
  echo "set rootpw:"
  arch-chroot /mnt passwd
  read -p "default user:(sch1zo)" user
  if [[ -z "$user" ]]; then
    user='sch1zo'
  fi
  echo "create user $user"
  arch-chroot /mnt useradd -m -g users -G wheel,adm,audio,optical,video,storage,lp,disk -s /usr/bin/fish $user
  echo "set user pw:"
  arch-chroot /mnt passwd $user
  arch-chroot /mnt visudo
  # get_dotfiles $user
}

enable_services(){
  # enable systemd stuff
  arch-chroot /mnt systemctl enable gdm
  arch-chroot /mnt systemctl enable NetworkManager
  arch-chroot /mnt systemctl enable cpupower
}

# get some stuff from aur
install_aur_pkgs(){
  arch-chroot /mnt pacaur -S --asroot sublime-text-nightly spotify dropbox keepass
}
install_zramswap(){
  arch-chroot /mnt pacaur -S --asroot zramswap
  arch-chroot /mnt systemctl enable zramswap.service
}

# optimize performance
# swappiness
#echo "vm.swappiness=20" >> /mnt/etc/sysctl.conf
#echo "vm.vfs_cache_pressure=50" >> /mnt/etc/sysctl.conf

read -p "boot device(/dev/sda1):" boot_device
if [[ -z "$boot_device" ]]; then
  boot_device='/dev/sda1'
fi

read -p "root device(/dev/sda2):" root_device
if [[ -z "$root_device" ]]; then
  root_device='/dev/sda2'
fi

read -p "encrypt? (y/N)?"
if [[ $REPLY == [yY] ]] ; then
  echo "use encrypt"
  encrypt=true
else
  echo "no encryption"
  encrypt=false
fi

if $encrypt ; then
  setup_LUKS $root_device
  root_device=/dev/mapper/cryptroot
fi
echo "boot: $boot_device | root: $root_device"


make_fs $boot_device $root_device
refresh_pacman
bootstrap_arch
if $encrypt ; then
  add_encrypt_hook
fi
setup_syslinux $encrypt
setup_aur
setup_pacman
install_base_apps
setup_users

read -p "gnome? (y/N)"
if [[ $REPLY == [yY] ]] ; then
  install_gnome
  install_apps
  install_aur_pkgs
  enable_services
else
  arch-chroot /mnt systemctl enable sshd.service
  # arch-chroot /mnt systemctl enable dhcpcd.service
fi

read -p "zramswap? (y/N)?"
if [[ $REPLY == [yY] ]] ; then
  install_zramswap
fi

read -p "umount?(Y/n)?"
if [[ $REPLY == [nN] ]] ; then
  exit 0
fi
umount /mnt/boot
umount /mnt