auto-login the newly created VM user immediately, otherwise vagrant user

would still be logged in

This reverts commit 0272b9c.

Author: tknerr

scripts/setup-vm-user.sh

@@ -16,3 +16,15 @@ usermod -a -G adm,cdrom,sudo,dip,plugdev,lpadmin,sambashare $LOGIN_USER
 
 # ensure the new user can do passwordless sudo
 echo "$LOGIN_USER ALL=(ALL) NOPASSWD: ALL" | sudo tee /etc/sudoers.d/$LOGIN_USER
+
+# set the new user as the default in the login screen and end the current (vagrant) user's gnome session
+mkdir -p /etc/gdm3
+> /etc/gdm3/custom.conf
+echo "[daemon]" >> /etc/gdm3/custom.conf
+echo "# Enabling automatic login" >> /etc/gdm3/custom.conf
+echo "AutomaticLoginEnable = true" >> /etc/gdm3/custom.conf
+echo "AutomaticLogin = $LOGIN_USER" >> /etc/gdm3/custom.conf
+
+if [[ $(which gnome-session) ]]; then
+  systemctl restart display-manager
+fi