Short, simple and easy to understand shell scripts to automate Debian post-installation with a wayland setup, you can play around with it as you see fit.

auto-debian.sh

#!/bin/sh
# Debian Linux Post-Installation Script for Wayland
# Author: Speyll
# Last-update: 03-04-2024

# Enable debugging output and exit on error
set -x

# Add multilib and nonfree repositories
sudo apt-get install --no-install-recommends -y \
  deb-multimedia-keyring \
  firmware-misc-nonfree \
  libdvd-pkg

# Update package lists and upgrade existing packages
sudo apt-get update -y
sudo apt-get upgrade -y

# Install GPU drivers
install_gpu_driver() {
  gpu_driver=""
  case "$(lspci | grep -E 'VGA|3D')" in
    *Intel*) gpu_driver="intel-media-va-driver intel-media-va-driver-non-free" ;;
    *AMD*)   gpu_driver="mesa-va-drivers libvdpau-va-gl1 libvdpau-driver-all" ;;
    *NVIDIA*)gpu_driver="mesa-va-drivers nvidia-driver libvdpau-va-gl1 libvdpau-driver-all nvidia-vdpau-driver libnvcuvid1 libnvidia-encode1" ;;
  esac
  for pkg in $gpu_driver; do
    [ -n "$pkg" ] && sudo apt-get install --no-install-recommends -y "$pkg"
  done
}

install_gpu_driver

# Install CPU microcode updates
if lspci | grep -q 'Intel'; then
  sudo apt-get install --no-install-recommends -y intel-microcode ##amd64-microcode
fi

# Install other packages
install_packages() {
  sudo apt-get install --no-install-recommends -y \
    wayland dbus git curl acpi rsync \
    pipewire pipewire-audio wireplumber \
    fonts-noto-color-emoji fonts-noto-core fonts-hack-otf fonts-font-awesome \
    nano sway foot yambar wlsunset tofi brightnessctl \
    grim slurp wl-clipboard cliphist imv swaybg xdg-utils mpv ffmpeg \
    mako libnotify nnn unzip p7zip-rar pcmanfm-qt ffmpegthumbnailer \
    breeze-gtk-theme breeze-icon-theme breeze-cursor-theme qt5ct \
    qt5-wayland dbus-glib wireguard bluez network-manager dbus
}

install_packages

# Set up PipeWire autostart
sudo mkdir -p /etc/xdg/autostart
sudo tee /etc/xdg/autostart/pipewire.desktop >/dev/null <<EOT
[Desktop Entry]
Type=Application
Name=PipeWire
Comment=Session Manager
NoDisplay=true
Exec=/usr/bin/pipewire
EOT

# Enable and start bluetooth service
sudo systemctl enable bluetooth
sudo systemctl start bluetooth

# Set up ACPI
sudo systemctl enable acpid
sudo systemctl start acpid

# Set up NetworkManager
sudo systemctl stop wpa_supplicant
sudo systemctl disable wpa_supplicant

sudo systemctl disable systemd-networkd
sudo systemctl mask systemd-networkd
sudo systemctl stop systemd-networkd

sudo systemctl enable dbus
sudo systemctl start dbus

sudo systemctl enable NetworkManager
sudo systemctl start NetworkManager

# Clone and set up dotfiles
git clone https://github.com/speyll/dotfiles "$HOME/dotfiles"
cp -r "$HOME/dotfiles/."* "$HOME/"
rm -rf "$HOME/dotfiles"
chmod -R +X "$HOME/.local/bin" "$HOME/.local/share/applications" "$HOME/.config/autostart/"
chmod +x "$HOME/.config/yambar/sway-switch-keyboard.sh" "$HOME/.config/yambar/xkb-layout.sh" "$HOME/.config/autostart/*" "$HOME/.local/bin/*"
ln -s "$HOME/.config/mimeapps.list" "$HOME/.local/share/applications/"

# Add user to sudo group for sudo access
sudo echo "%sudo ALL=(ALL:ALL) NOPASSWD: /usr/bin/halt, /usr/bin/poweroff, /usr/bin/reboot, /usr/bin/shutdown, /usr/bin/zzz, /usr/bin/ZZZ" | sudo tee -a /etc/sudoers.d/sudo