auto-arch-wayland.sh

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

set -e  # Exit on error

# Ensure script is not invoked directly as root
TARGET_USER="${SUDO_USER:-$USER}"
if [ "$TARGET_USER" = "root" ]; then
    echo "Error: Do not run this script directly as root or via 'sudo ./script.sh'."
    echo "Run it as your normal user: ./$(basename "$0")"
    exit 1
fi

echo "Target user identified as: $TARGET_USER"

# 1. Network & Pacman Parallel Download Optimization
echo "Optimizing pacman configurations..."
sudo sed -i 's/^#ParallelDownloads = .*/ParallelDownloads = 10/' /etc/pacman.conf
sudo pacman -Syu --noconfirm

# 2. Hardened Multi-GPU Driver Installation
install_gpu_driver() {
  echo "Checking hardware and deploying graphics stack..."
  LSPCI_OUT=$(lspci | grep -E 'VGA|3D')

  # AMD GPU (Mesa + Vulkan + OpenCL)
  if echo "$LSPCI_OUT" | grep -iq "AMD"; then
    echo "AMD GPU detected. Installing Mesa & Vulkan drivers..."
    sudo pacman -S --noconfirm mesa vulkan-radeon libva-mesa-driver lib32-mesa lib32-vulkan-radeon opencl-mesa lib32-opencl-mesa amd-ucode
  fi

  # Intel GPU
  if echo "$LSPCI_OUT" | grep -iq "Intel"; then
    echo "Intel GPU detected. Installing Intel driver stack..."
    sudo pacman -S --noconfirm mesa vulkan-intel intel-media-driver libva-intel-driver libva-mesa-driver
  fi

  # NVIDIA GPU
  if echo "$LSPCI_OUT" | grep -iq "NVIDIA"; then
    echo "NVIDIA GPU detected. Installing NVIDIA driver stack..."
    sudo pacman -S --noconfirm nvidia-dkms nvidia-utils lib32-nvidia-utils nvidia-settings egl-wayland
  fi
}

# 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 profile-sync-daemon cpupower

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

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

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

    # 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 qt6ct bluez hyprpolkitagent seahorse gnome-keyring
  )

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

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

install_paru_packages() {
  aur_packages=(
    mpvpaper flavours qt6ct-kde
  )
  echo "Deploying AUR specific binaries..."
  paru -Syu --noconfirm "${aur_packages[@]}"
}

# --- Execution ---
install_gpu_driver
install_core_packages
install_paru
install_paru_packages

# 5. Universal TTY1 Autologin Setup
echo "Configuring TTY1 automatic login for $TARGET_USER..."
sudo mkdir -p /etc/systemd/system/getty@tty1.service.d
cat << EOF | sudo tee /etc/systemd/system/getty@tty1.service.d/override.conf > /dev/null
[Service]
ExecStart=
ExecStart=-/usr/bin/agetty --autologin $TARGET_USER --noclear %I \$TERM
EOF

# 6. System Daemon Initialization
echo "Enabling core system services..."
sudo systemctl enable bluetooth.service
sudo systemctl enable rtkit-daemon.service
sudo systemctl enable NetworkManager.service

# Enable Profile Sync Daemon
systemctl --user enable psd.service

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

# 7. Portals Configuration for Niri (Prevents portal delays)
mkdir -p "$HOME/.config/xdg-desktop-portal"
cat << EOF > "$HOME/.config/xdg-desktop-portal/portals.conf"
[preferred]
default=gnome;gtk;
EOF

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

# Apply permissions safely (guarded against non-existent dirs)
for dir in "$HOME/.local/bin" "$HOME/.local/share/applications" "$HOME/.config/autostart"; do
  [ -d "$dir" ] && chmod -R a+rx "$dir"
done

# Font and cursor tracking scripts
[ -f "$HOME/.local/share/fonts/git-fonts.sh" ] && dash "$HOME/.local/share/fonts/git-fonts.sh"
[ -f "$HOME/.local/share/icons/git-cursors.sh" ] && dash "$HOME/.local/share/icons/git-cursors.sh"

# 9. Passwordless System Hooks for Wheel Group (Systemd Native)
echo "%wheel ALL=(ALL:ALL) NOPASSWD: /usr/bin/halt, /usr/bin/poweroff, /usr/bin/reboot, /usr/bin/shutdown, /usr/bin/systemctl" \
  | sudo tee /etc/sudoers.d/wheel > /dev/null

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

auto-arch-xorg.sh

#!/bin/bash
# Minimal Arch Linux X11 Post-Installation Script
# Author: Speyll

set -e

# Detect the target non-root user (even if script is invoked with sudo)
TARGET_USER="${SUDO_USER:-$USER}"

if [ "$TARGET_USER" = "root" ]; then
    echo "Error: Do not run this script directly as root. Run it as your normal user."
    exit 1
fi

echo "Target user identified as: $TARGET_USER"

# 1. Optimize Pacman Parallel Downloads
echo "Optimizing pacman configurations..."
sudo sed -i 's/^#ParallelDownloads = .*/ParallelDownloads = 10/' /etc/pacman.conf
sudo pacman -Syu --noconfirm

# 2. Intel Graphics & Xorg Core Stack
echo "Deploying Intel graphics and X11 core..."
sudo pacman -S --noconfirm \
    xorg-server xorg-xinit xorg-xsetroot xdotool xorg-xrandr xorg-xset xorg-xprop \
    xf86-input-libinput mesa vulkan-intel intel-media-driver libva-intel-driver libva-mesa-driver \
    libx11 libxft libxinerama libxrandr fontconfig pkgconf base-devel git dash

# 3. Lightweight X11 Utilities, Audio & Network Stack
echo "Deploying system utilities and audio..."
sudo pacman -S --noconfirm \
    networkmanager bluez bluez-utils pipewire pipewire-alsa pipewire-pulse wireplumber \
    picom dunst feh redshift xclip slock brightnessctl maim \
    unzip p7zip unrar xz udisks2 pcmanfm-qt fzf dbus \
    noto-fonts-emoji noto-fonts ttf-nerd-fonts-symbols rtkit profile-sync-daemon cpupower clipcat pamixer lxqt-policykit htop

# 4. Touchpad Configuration (Tap-to-click & Natural Scroll)
echo "Configuring Xorg libinput touchpad rules..."
sudo mkdir -p /etc/X11/xorg.conf.d
cat << 'EOF' | sudo tee /etc/X11/xorg.conf.d/30-touchpad.conf > /dev/null
Section "InputClass"
    Identifier "touchpad"
    Driver "libinput"
    MatchIsTouchpad "on"
    Option "Tapping" "on"
    Option "NaturalScrolling" "true"
    Option "ClickMethod" "clickfinger"
    Option "DisableWhileTyping" "true"
EndSection
EOF

# 5. Universal TTY1 Autologin Setup
echo "Configuring TTY1 automatic login for $TARGET_USER..."
sudo mkdir -p /etc/systemd/system/getty@tty1.service.d
cat << EOF | sudo tee /etc/systemd/system/getty@tty1.service.d/override.conf > /dev/null
[Service]
ExecStart=
ExecStart=-/usr/bin/agetty --autologin $TARGET_USER --noclear %I \$TERM
EOF

# 6. Enable System Daemons via Systemd
echo "Enabling core system services..."
sudo systemctl enable NetworkManager.service
sudo systemctl enable rtkit-daemon.service
sudo systemctl enable bluetooth.service
systemctl --user enable psd.service
systemctl --user enable pipewire.service wireplumber.service pipewire-pulse.service

# 7. Bootstrap Paru for AUR Tools (dwm, st, dmenu extensions if needed)
if ! command -v paru &> /dev/null; then
    echo "Bootstrapping Paru AUR helper..."
    git clone git clone https://aur.archlinux.org/paru.git /tmp/paru
    pushd /tmp/paru-bin
    makepkg -si --noconfirm
    popd
    rm -rf /tmp/paru
fi

# 8. User Space Setup & Dotfiles Environment
if [ ! -d "$HOME/misc-dotfiles" ]; then
  git clone https://github.com/speyll/misc-dotfiles "$HOME/misc-dotfiles"
  cp -a "$HOME/misc-dotfiles/x11/." "$HOME/"
  rm -rf "$HOME/misc-dotfiles"
  rm -rf "$HOME/.git"
  rm -rf "$HOME/README.md"
  rm -rf "$HOME/.bash_profile"
fi

# Suckless
mkdir -p $HOME/Downloads/git/
git clone https://git.suckless.org/dwm/ "$HOME/Downloads/git/dwm"
git clone https://git.suckless.org/dmenu/ "$HOME/Downloads/git/dmenu"
git clone https://git.suckless.org/st/ "$HOME/Downloads/git/st"
cp -f $HOME/Downloads/dwm/config.def.h $HOME/Downloads/git/dwm/
cp -f $HOME/Downloads/dmenu/config.def.h $HOME/Downloads/git/dmenu/
cp -f $HOME/Downloads/st/config.def.h $HOME/Downloads/git/st/

# Apply absolute dynamic permissions path layout
chmod -R a+rx "$HOME/.local/bin" 2>/dev/null || true
chmod -R a+rx "$HOME/.local/share/applications" 2>/dev/null || true
chmod -R a+rx "$HOME/.config/autostart" 2>/dev/null || true

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

# Passwordless power hooks for wheel group
echo "%wheel ALL=(ALL:ALL) NOPASSWD: /usr/bin/halt, /usr/bin/poweroff, /usr/bin/reboot, /usr/bin/shutdown" \
  | sudo tee /etc/sudoers.d/wheel > /dev/null

echo "Arch minimal X11 setup complete."