auto-arch.sh

#!/bin/bash
# Optimized CachyOS Post-Installation Script for AMD/Wayland (Niri)
# Author: Speyll

set -e  # Exit on error

# 1. Force Ultimate Parallel Network Optimization
echo "Optimizing pacman configurations..."
sudo sed -i 's/^#ParallelDownloads = .*/ParallelDownloads = 10/' /etc/pacman.conf

# Fully sync databases
sudo pacman -Syu --noconfirm

# 2. Hardened AMD Driver Installation (Including 32-bit Vulkan for gaming)
install_gpu_driver() {
  echo "Checking hardware and deploying graphics stack..."
  case "$(lspci | grep -E 'VGA|3D')" in
    *AMD*)
      sudo pacman -S --noconfirm mesa vulkan-radeon xf86-video-amdgpu libva-mesa-driver lib32-mesa lib32-vulkan-radeon opencl-mesa lib32-opencl-mesa amd-ucode
      ;;
    *Intel*)
      sudo pacman -S --noconfirm mesa vulkan-intel intel-media-driver libva-intel-driver libva-mesa-driver
      ;;
    *NVIDIA*)
      sudo pacman -S --noconfirm nvidia nvidia-utils lib32-nvidia-utils nvidia-settings
      ;;
  esac
}

# 3. System Core & Performance Optimizations Bulk List
install_core_packages() {
  packages=(
    # Development, Shell & Microcode Core
    git tmux base-devel dash curl dbus bash-completion libnotify fzf

    # Performance Backends & Realtime
    rtkit bpftune-git profile-sync-daemon corectrl cpupower

    # Wayland Core & Display Server Bridge
    wayland xorg-xwayland xwayland-satellite xdg-utils 
    xdg-desktop-portal-gtk xdg-desktop-portal-wlr xdg-desktop-portal

    # PipeWire Audio Infrastructure
    pipewire pipewire-alsa pipewire-pulse gst-plugin-pipewire wireplumber

    # Niri Environment & Command-Line Layout Tools
    niri neovim alacritty wlsunset brightnessctl wlr-randr wl-clipboard cliphist hyprlock hypridle mako fuzzel

    # Fonts
    noto-fonts-emoji noto-fonts-cjk noto-fonts ttf-nerd-fonts-symbols

    # Lower-Level System/Archive Utilities
    unzip p7zip unrar xz networkmanager wireguard-tools udisks2 openrgb fuse2 fwupd
    pcmanfm-qt ffmpegthumbnailer totem webp-pixbuf-loader tumbler gvfs-smb gvfs-afc gvfs-mtp

    # System Themes & Security Backends
    breeze-gtk breeze-icons qt5ct bluez polkit-gnome seahorse gnome-keyring
  )

  echo "Deploying system packages via parallel downloads..."
  sudo pacman -S --noconfirm "${packages[@]}"
}

# 4. AUR Packages
install_paru() {
  if ! command -v paru &> /dev/null; then
    echo "Bootstrapping Paru AUR helper..."
    git clone https://aur.archlinux.org/paru-bin.git
    pushd paru-bin
    makepkg -si --noconfirm
    popd
    rm -rf paru-bin
  fi
}

install_paru_packages() {
  # Added xone-dkms for Xbox controllers & linux-cachyos-headers for module building
  packages=(
    mpvpaper flavours qt6ct-kde #obs-wlroots-screencopy-git
  )
  echo "Deploying AUR specific binaries..."
  paru -Syu --noconfirm "${packages[@]}"
}

install_flatpak_packages() {
  sudo pacman -S --noconfirm flatpak
  flatpak remote-add --if-not-exists flathub https://dl.flathub.org/repo/flathub.flatpakrepo
  flatpak install flathub io.gitlab.librewolf-community -y
  flatpak install flathub com.github.tchx84.Flatseal -y
}

install_flatpak_gaming() {
  flatpak install flathub com.usebottles.bottles -y
  flatpak install flathub org.freedesktop.Platform.VulkanLayer.MangoHud -y
  flatpak install flathub org.freedesktop.Platform.VulkanLayer.gamescope -y
  flatpak install flathub com.valvesoftware.Steam.CompatibilityTool.Proton-GE -y
  flatpak install flathub com.obsproject.Studio.Plugin.OBSVkCapture -y
  flatpak install flathub org.freedesktop.Platform.VulkanLayer.OBSVkCapture -y
}

# --- Execution ---
install_gpu_driver
install_core_packages
install_paru
install_paru_packages
#install_flatpak_packages
#install_flatpak_gaming

# 5. System Daemon Initialization
sudo systemctl enable bluetooth.service
sudo systemctl enable rtkit-daemon.service
sudo systemctl enable NetworkManager.service

# Enable Profile Sync Daemon for instant web-browsing speedups
systemctl --user enable psd.service

# Enable User Audio Stack
systemctl --user enable pipewire.service wireplumber.service pipewire-pulse.service

# 6. User Space Setup & Dotfiles Environment
if [ ! -d "$HOME/dotfiles" ]; then
  git clone https://github.com/speyll/dotfiles "$HOME/dotfiles"
  cp -r "$HOME/dotfiles/." "$HOME/"
  rm -rf "$HOME/dotfiles"
fi

# Apply absolute dynamic permissions path layout
chmod -R a+rx "$HOME/.local/bin"
chmod -R a+rx "$HOME/.local/share/applications"
chmod -R a+rx "$HOME/.config/autostart"

ln -sf "$HOME/.config/mimeapps.list" "$HOME/.local/share/applications/"

# Font and cursor tracking scripts (Handled under dash environment safely)
dash "$HOME/.local/share/fonts/git-fonts.sh"
dash "$HOME/.local/share/icons/git-cursors.sh"

# 7. Elevation Permissions Overhaul (Passwordless system hooks)
echo "%wheel ALL=(ALL:ALL) NOPASSWD: /usr/bin/halt, /usr/bin/poweroff, /usr/bin/reboot, /usr/bin/shutdown, /usr/bin/zzz, /usr/bin/ZZZ" \
  | sudo tee /etc/sudoers.d/wheel > /dev/null

echo "Initialization success. Complete live mirror of your workstation configuration is deployable."