int iJulianDay;
  if( g.db==0 ) return;
  if( db_transaction_nesting_depth()!=0 ){
    fossil_warning("Called email_auto_exec() from within transaction "
                   "started at %z", db_transaction_start_point());
    return;
  }
  db_begin_transaction();
  if( !email_tables_exist() ) goto autoexec_done;
  if( !db_get_boolean("email-autoexec",0) ) goto autoexec_done;

  email_send_alerts(0);
  iJulianDay = db_int(0, "SELECT julianday('now')");
  if( iJulianDay>db_get_int("email-last-digest",0) ){
    if( db_transaction_nesting_depth()!=1 ){
      fossil_warning("Transaction nesting error prior to digest processing");
    }else{
      db_set_int("email-last-digest",iJulianDay,0);
      email_send_alerts(SENDALERT_DIGEST);
    }
  }

autoexec_done:
  db_end_transaction(0);
}

/*
** WEBPAGE: contact_admin
**
** A web-form to send an email message to the repository administrator,
** or (with appropriate permissions) to anybody.