#!/bin/sh
set -e
#################################################################################
BASE="bash bzip2 coreutils cryptsetup device-mapper dhcpcd diffutils e2fsprogs file filesystem findutils gawk gcc-libs gettext glibc grep gzip inetutils iproute2 iputils less linux-zen linux-firmware logrotate lvm2 mdadm netctl pacman pciutils perl procps-ng psmisc sed shadow sysfsutils systemd-sysvcompat tar texinfo usbutils util-linux xfsprogs"
#################################################################################
SYS="base-devel efibootmgr reflector alsa-utils sudo gstreamer-vaapi intel-ucode intel-media-driver vulkan-icd-loader vulkan-intel xf86-input-wacom fwupd git"
#################################################################################
DE="eog evince file-roller p7zip unrar gdm gedit gnome-backgrounds gnome-boxes gnome-calculator gnome-control-center gnome-disk-utility gnome-keyring gnome-logs gnome-screenshot gnome-shell gnome-system-monitor gnome-terminal nautilus networkmanager sushi totem gst-libav gst-plugins-ugly xdg-user-dirs-gtk gnome-tweaks"
#################################################################################
OTHER_APPS="neofetch chromium python-nautilus sshfs telegram-desktop transmission-gtk"
#################################################################################
FONTS="ttf-liberation ttf-dejavu ttf-droid ttf-opensans"
#################################################################################
export ROOT_PASSWORD=""
#################################################################################
export USER_PASSWORD=""
#################################################################################
export USER_NAME="vltsoy97"
#################################################################################

    ### Connect to the Internet ###
wifi-menu
sleep 10

    ### Update the system clock ###
timedatectl set-ntp true

    ### Configuring and mounting drives ###
parted --script --align optimal /dev/sda mklabel gpt mkpart 0% 128MB mkpart 128MB 126GB mkpart 126GB 100% set 1 esp on
mkfs.vfat -F32 /dev/sda1
mkfs.ext4 -F /dev/sda2
mkswap /dev/sda3 && swapon /dev/sda3
mount -o noatime,discard /dev/sda2 /mnt
mkdir /mnt/boot
mount /dev/sda1 /mnt/boot

    ### Select the mirrors ###
pacman -Sy --quiet --noconfirm --noprogressbar reflector
reflector --sort rate --save /etc/pacman.d/mirrorlist

    ### Install the packages ###
pacstrap /mnt $BASE $SYS $DE $OTHER_APPS $FONTS

    ### Fstab Setup ###
genfstab -U /mnt >> /mnt/etc/fstab
sed -i "s/0 2/0 0/" /mnt/etc/fstab
sed -i "s/0 1/0 0/" /mnt/etc/fstab

mkdir /mnt/install
cat > /mnt/install/setup.sh << "END_SETUP"
#!/bin/sh
set -e

    ### Time zone ###
ln -sf /usr/share/zoneinfo/Europe/Moscow /etc/localtime
hwclock --systohc

    ### Localization ###
sed -i "s/#en_US.UTF-8 UTF-8/en_US.UTF-8 UTF-8/" /etc/locale.gen
sed -i "s/#ru_RU.UTF-8 UTF-8/ru_RU.UTF-8 UTF-8/" /etc/locale.gen
locale-gen
echo "LANG=ru_RU.UTF-8" > /etc/locale.conf
echo "FONT=cyr-sun16" > /etc/vconsole.conf

    ### Network configuration ###
echo $USER_NAME > /etc/hostname
echo -e "127.0.0.1\tlocalhost\n::1\tlocalhost\n127.0.1.1\t$USER_NAME.localdomain $USER_NAME" > /etc/hosts

    ### Root password ###
echo -e "$ROOT_PASSWORD\n$ROOT_PASSWORD\n" | passwd

    ### Creating boot entry ###
efibootmgr --disk /dev/sda --part 1 --create --label "Arch Linux" --loader /vmlinuz-linux-zen --unicode "initrd=intel-ucode.img initrd=initramfs-linux-zen.img root=PARTUUID=$(blkid -s PARTUUID -o value /dev/sda2) rw udev.log_priority=3 quiet i915.fastboot=1 i915.enable_fbc=1 i915.enable_guc=2 i915.enable_gvt=1"

    ### Create a user account ###
useradd --create-home --gid users --groups wheel,lp,storage,video,network,power --shell /bin/bash $USER_NAME
echo -e "$USER_PASSWORD\n$USER_PASSWORD\n" | passwd $USER_NAME
echo "$USER_NAME ALL=(ALL) ALL" >> /etc/sudoers

    ### Enabling late microcode updates ###
curl --output /install/microcode.tgz "https://downloadmirror.intel.com/28087/eng/microcode-20180807a.tgz"
tar -xf /install/microcode.tgz --directory /install
mv /install/intel-ucode /usr/lib/firmware

    ### Creating pacman hook for "Reflector" ###
mkdir /etc/pacman.d/hooks
cat > /etc/pacman.d/hooks/mirrorupgrade.hook << "END_HOOK"
[Trigger]
Operation = Upgrade
Type = Package
Target = pacman-mirrorlist

[Action]
Description = Updating pacman-mirrorlist with reflector and removing pacnew...
When = PostTransaction
Depends = reflector
Exec = /bin/sh -c "reflector --sort rate --save /etc/pacman.d/mirrorlist;  rm -f /etc/pacman.d/mirrorlist.pacnew"
END_HOOK

    ### GNOME Setup ###
systemctl enable gdm.service
systemctl enable NetworkManager.service
sed -i "s/#WaylandEnable/WaylandEnable/" /etc/gdm/custom.conf
echo "LIBVA_DRIVER_NAME=iHD" >> /etc/environment

    ### 'mkinitcpio' Setup ###
sed -i "s/MODULES=()/MODULES=(i915 ext4)/" /etc/mkinitcpio.conf
sed -i "s/(base udev autodetect modconf block filesystems keyboard fsck)/(base udev autodetect modconf block)/" /etc/mkinitcpio.conf
mkinitcpio -p linux-zen

    ### Sound setting ###
amixer sset Master on
amixer sset Capture cap
amixer sset Master 32768
amixer sset Capture 32768
sed -i "s/; high-priority = yes/high-priority = yes/" /etc/pulse/daemon.conf
sed -i "s/; resample-method = speex-float-1/resample-method = copy/" /etc/pulse/daemon.conf
sed -i "s/; default-sample-format = s16le/default-sample-format = s24le/" /etc/pulse/daemon.conf
sed -i "s/; default-sample-rate = 44100/default-sample-rate = 96000/" /etc/pulse/daemon.conf
sed -i "s/; alternate-sample-rate = 48000/alternate-sample-rate = 44100/" /etc/pulse/daemon.conf
sed -i "s/; default-sample-channels = 2/default-sample-channels = 2/" /etc/pulse/daemon.conf

    ### "Makepkg" Setup ###
sed -i "s/-march=x86_64 -mtune=generic/-march=native/" /etc/makepkg.conf
sed -i 's/#MAKEFLAGS="-j2"/MAKEFLAGS="-j$(nproc)"/' /etc/makepkg.conf
sed -i "s/xz -c -z -/xz -c -z - --threads=0/" /etc/makepkg.conf

    ### Disable unnecessary services ###
systemctl mask lvm2-monitor.service
systemctl mask lvm2-lvmetad.service
systemctl mask lvm2-lvmpolld.socket
systemctl mask lvm2-lvmetad.socket
systemctl mask cryptsetup.target

    ### Other commands ###
sed -i "s/#SystemMaxUse=/SystemMaxUse=12M/" /etc/systemd/journald.conf
sed -i "s/#Storage=external/Storage=none/" /etc/systemd/coredump.conf
systemctl enable bluetooth.service
systemctl enable upower.service

    ### Loading packages from AUR ###
mkdir /home/$USER_NAME/AUR
cd /home/$USER_NAME/AUR
curl --location --remote-name https://aur.archlinux.org/cgit/aur.git/snapshot/gnome-shell-extension-remove-dropdown-arrows.tar.gz
curl --location --remote-name https://aur.archlinux.org/cgit/aur.git/snapshot/gnome-shell-extension-dash-to-dock.tar.gz
curl --location --remote-name https://aur.archlinux.org/cgit/aur.git/snapshot/gnome-shell-extension-arch-update.tar.gz
curl --location --remote-name https://aur.archlinux.org/cgit/aur.git/snapshot/gnome-shell-extension-gsconnect.tar.gz
curl --location --remote-name https://aur.archlinux.org/cgit/aur.git/snapshot/osu-lazer-git.tar.gz
curl --location --remote-name https://aur.archlinux.org/cgit/aur.git/snapshot/pamac-aur.tar.gz
ls *.gz | xargs -n1 tar -xf
rm *.gz

exit
END_SETUP

chmod +x /mnt/install/setup.sh

    ### Chroot ###
arch-chroot /mnt /install/setup.sh

rm -r /mnt/install
umount -R /mnt

echo -e "\n\n\n\n\n\n\n\n\n\n\n\n                    -@\n                   .##@\n                  .####@\n                  @#####@                     Installation completed.\n                . *######@\n               .##@o@#####@\n              /############@\n             /##############@\n            @######@**%######@\n           @######\`     %#####o               Restart the computer, do not forget to remove the USB-drive ...\n          @######@       ######%\n        -@#######h       ######@.\`\n       /#####h**\`\`       \`**%@####@\n      @H@*\`                    \`*%#@\n     *\`                            \`*\n\n\n\n\n\n\n\n\n\n\n\n"

    ### After installing ###
#sudo -u gdm dbus-launch gsettings set org.gnome.desktop.peripherals.touchpad tap-to-click true
#xsetwacom set 14 Area 5700 4157 15200 9500