Use a separate, re-useable ring-buffer implementation

Not only is it re-useable it also allows for easier debugging by separating the ring buffer specific logic and the pager history logic. Hopefully it fixes #3049
2020-12-11 21:17:38 +05:30
parent 3b8be26cc7
commit bffe0f4a6c
5 changed files with 675 additions and 69 deletions
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -52,6 +52,9 @@ To update |kitty|, :doc:`follow the instructions <binary>`.

 - Add a ``right`` option for :opt:`tab_switch_strategy` (:pull:`3155`)

+- Fix a regression in 0.19.0 that caused a rare crash when using the optional
+  :opt:`scrollback_pager_history_size` (:iss:`3049`)
+

 0.19.2 [2020-11-13]
 -------------------