From a53c1301772d225b91db815b1c29e0437849598f Mon Sep 17 00:00:00 2001
From: Damien Elmes <gpg@ankiweb.net>
Date: Wed, 2 Jun 2021 11:04:53 +1000
Subject: [PATCH] close Anki after a panic occurs

Once the mutex has been poisoned the app is unusable, and users were
struggling to close it. This also ensures we'll receive the original
error report, instead of the follow-up poison errors that don't tell us
what caused the issue.

https://forums.ankiweb.net/t/error-message-keeps-popping-up/10494
---
 qt/aqt/errors.py | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/qt/aqt/errors.py b/qt/aqt/errors.py
index 4cedf31d0..6150b47fb 100644
--- a/qt/aqt/errors.py
+++ b/qt/aqt/errors.py
@@ -93,7 +93,14 @@ class ErrorHandler(QObject):
             showWarning(markdown(tr.errors_accessing_db()))
             return
 
-        if self.mw.addonManager.dirty:
+        must_close = False
+        if "PanicException" in error:
+            must_close = True
+            txt = markdown(
+                "**A fatal error occurred, and Anki must close. Please report this message on the forums.**"
+            )
+            error = f"{supportText() + self._addonText(error)}\n{error}"
+        elif self.mw.addonManager.dirty:
             txt = markdown(tr.errors_addons_active_popup())
             error = f"{supportText() + self._addonText(error)}\n{error}"
         else:
@@ -103,6 +110,8 @@ class ErrorHandler(QObject):
         # show dialog
         txt = f"{txt}<div style='white-space: pre-wrap'>{error}</div>"
         showText(txt, type="html", copyBtn=True)
+        if must_close:
+            sys.exit(1)
 
     def _addonText(self, error: str) -> str:
         matches = re.findall(r"addons21/(.*?)/", error)