auto save session

qutebrowser/browser/browsertab.py

@@ -685,6 +685,9 @@ class AbstractTab(QWidget):
 
     @pyqtSlot(bool)
     def _on_load_finished(self, ok):
+        if config.get('general', 'auto-save-session'):
+            sess_manager = objreg.get('session-manager')
+            sess_manager.session_save()
         if ok and not self._has_ssl_errors:
             if self.url().scheme() == 'https':
                 self._set_load_status(usertypes.LoadStatus.success_https)

qutebrowser/config/configdata.py

@@ -160,6 +160,11 @@ def data(readonly=False):
              SettingValue(typ.Bool(), 'true'),
              "Whether to save the config automatically on quit."),
 
+            ('auto-save-session',
+             SettingValue(typ.Bool(), 'false'),
+             "Whether to save the session automatically when a page finishes "
+             "loading."),
+
             ('auto-save-interval',
              SettingValue(typ.Int(minval=0, maxval=MAXVALS['int']), '15000'),
              "How often (in milliseconds) to auto-save config/cookies/etc."),