Fix a regression in notify_on_cmd_finish that caused notifications to appear for every command after the first

Fixes #7725

docs/changelog.rst

@@ -138,6 +138,8 @@ Detailed list of changes
 
 - macOS: Bump the minimum required macOS version to Catalina released five years ago.
 
+- Fix a regression in :opt:`notify_on_cmd_finish` that caused notifications to appear for every command after the first (:iss:`7725`)
+
 
 0.35.2 [2024-06-22]
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

kitty/window.py

@@ -1452,13 +1452,13 @@ def manipulate_title_stack(self, pop: bool, title: str, icon: Any) -> None:
     def handle_cmd_end(self, exit_status: str = '') -> None:
         if self.last_cmd_output_start_time == 0.:
             return
-        self.last_cmd_output_start_time = 0.
         try:
             self.last_cmd_exit_status = int(exit_status)
         except Exception:
             self.last_cmd_exit_status = 0
         end_time = monotonic()
         last_cmd_output_duration = end_time - self.last_cmd_output_start_time
+        self.last_cmd_output_start_time = 0.
 
         self.call_watchers(self.watchers.on_cmd_startstop, {
             "is_start": False, "time": end_time, 'cmdline': self.last_cmd_cmdline, 'exit_status': self.last_cmd_exit_status})