#!/bin/sh
set -e

case "$1" in
  remove|purge)
    # Remove our GDM smartcard PAM alternative
    if [ -f /etc/pam.d/gdm-smartcard-pkinit ]; then
      update-alternatives --remove gdm-smartcard /etc/pam.d/gdm-smartcard-pkinit 2>/dev/null || true
    fi

    # Remove our old pam-auth-update profile if lingering
    if command -v pam-auth-update >/dev/null 2>&1; then
      pam-auth-update --package --remove yourdev-smartcard 2>/dev/null || true
    fi

    # Recompile dconf after removing our override
    if command -v dconf >/dev/null 2>&1; then
      dconf update 2>/dev/null || true
    fi

    # Restart SSSD
    if command -v systemctl >/dev/null 2>&1; then
      systemctl restart sssd 2>/dev/null || true
    fi
    ;;

  upgrade|failed-upgrade)
    ;;

  *)
    echo "prerm called with unknown argument '$1'" >&2
    exit 1
    ;;
esac

exit 0