feat: add autologin script for greetd

- Create enable-autologin.sh script to configure automatic login
- Update README.md with autologin instructions
- Update docs/getting-started/installation.md with autologin section

This allows users to skip the login prompt on boot, useful for headless
setups or ensuring services always start after a reboot.

Author: raythurman2386

README.md

@@ -147,6 +147,17 @@ sudo reboot
 
 Greetd will launch at startup. Log in with your username and password — Hyprland will start automatically.
 
+### Optional: Enable Auto-Login
+
+If you want your Pi to automatically login and start Hyprland on boot (useful for headless setups or ensuring services always start), run:
+
+```bash
+cd ~/.local/share/pimarchy
+sudo bash enable-autologin.sh
+```
+
+This configures `greetd` to skip the login prompt and automatically start the desktop. To disable auto-login later, re-run the Pimarchy installer.
+
 ---
 
 ## Keybinds

docs/getting-started/installation.md

@@ -76,6 +76,16 @@ sudo reboot
 
 After rebooting, you will be greeted by the **Tuigreet** login manager. Log in with your username and password, and **Hyprland** will start automatically.
 
+## Optional: Enable Auto-Login
+
+If you want your Pi to automatically login and start Hyprland on boot (useful for headless setups or ensuring services always start after a reboot), run:
+
+```bash
+sudo bash enable-autologin.sh
+```
+
+This configures `greetd` to skip the login prompt and automatically start the desktop environment for your user. To disable auto-login later, re-run the Pimarchy installer.
+
 ---
 
 ## Managing Pimarchy (CLI Tool)

enable-autologin.sh

@@ -0,0 +1,41 @@
+#!/bin/bash
+# enable-autologin.sh - Configure greetd for automatic login
+# Usage: sudo bash enable-autologin.sh [username]
+
+set -e
+
+# Get username - use $SUDO_USER if running with sudo, otherwise $USER or first argument
+USERNAME="${1:-${SUDO_USER:-$USER}}"
+
+if [ "$USERNAME" = "root" ] || [ -z "$USERNAME" ]; then
+    echo "Error: Please specify a non-root username"
+    echo "Usage: sudo bash enable-autologin.sh [username]"
+    exit 1
+fi
+
+echo "Enabling auto-login for user: $USERNAME"
+
+# Create greetd config with auto-login
+cat << EOF | sudo tee /etc/greetd/config.toml > /dev/null
+[terminal]
+# Use vt7 to avoid systemd boot messages bleeding into the greeter
+vt = 7
+
+[initial_session]
+# Auto-login this user on boot
+command = "/usr/local/bin/start-hyprland"
+user = "$USERNAME"
+
+[default_session]
+# Fallback if initial_session fails - allows manual login
+command = "tuigreet --time --remember --remember-session --cmd /usr/local/bin/start-hyprland"
+user = "_greetd"
+EOF
+
+echo "Auto-login configured!"
+echo ""
+echo "The system will now automatically login as '$USERNAME' on boot."
+echo "If you need to login as a different user, you can:"
+echo "  - Hold Shift during boot to skip auto-login (if tuigreet supports it)"
+echo "  - Or temporarily disable greetd: sudo systemctl disable greetd"
+echo "  - Or restore getty: sudo systemctl unmask getty@tty1 && sudo systemctl enable getty@tty1"