fix: update auto-login and home directory handling for current user

Author: th33k

pi-node/setup.sh

@@ -137,32 +137,35 @@ systemctl enable display-update.timer
 # ── 5. Auto-login + start X ──
 echo "[5/5] Configuring auto-login..."
 
+# Detect current user (handle sudo)
+REAL_USER=${SUDO_USER:-$(id -un)}
+USER_HOME=$(getent passwd "$REAL_USER" | cut -d: -f6)
+
 mkdir -p /etc/systemd/system/getty@tty1.service.d
-cat > /etc/systemd/system/getty@tty1.service.d/autologin.conf << 'CONF'
+cat > /etc/systemd/system/getty@tty1.service.d/autologin.conf << CONF
 [Service]
 ExecStart=
-ExecStart=-/sbin/agetty --autologin pi --noclear %I $TERM
+ExecStart=-/sbin/agetty --autologin $REAL_USER --noclear %I \$TERM
 CONF
 
-# only add auto‑start line if the pi user exists and has a home
-if [[ -d /home/pi ]]; then
-    if ! grep -q "startx" /home/pi/.bash_profile 2>/dev/null; then
-        # >> will create the file if it doesn't already exist
-        echo '[[ -z $DISPLAY && $XDG_VTNR -eq 1 ]] && startx -- -nocursor' >> /home/pi/.bash_profile
+# only add auto‑start line if the user home exists
+if [[ -d "$USER_HOME" ]]; then
+    if ! grep -q "startx" "$USER_HOME/.bash_profile" 2>/dev/null; then
+        echo '[[ -z $DISPLAY && $XDG_VTNR -eq 1 ]] && startx -- -nocursor' >> "$USER_HOME/.bash_profile"
     fi
 fi
 
-# only configure openbox/autostart if the pi home directory exists
-if [[ -d /home/pi ]]; then
-    mkdir -p /home/pi/.config/openbox
-    cat > /home/pi/.config/openbox/autostart << 'AUTOSTART'
+# only configure openbox/autostart if the user home directory exists
+if [[ -d "$USER_HOME" ]]; then
+    mkdir -p "$USER_HOME/.config/openbox"
+    cat > "$USER_HOME/.config/openbox/autostart" << 'AUTOSTART'
     xset s off
     xset s noblank
     xset -dpms
     unclutter -idle 0.5 -root &
     systemctl start display-kiosk &
 AUTOSTART
-    chown -R $(id -un):$(id -gn) /home/$(id -un)/.config
+    chown -R "$REAL_USER:$(id -gn "$REAL_USER")" "$USER_HOME/.config"
 fi
 
 echo ""