From 7b8c2c846f7f79f2946cba60530225283756bf37 Mon Sep 17 00:00:00 2001
From: pagedown <pg.dn@outlook.com>
Date: Thu, 24 Feb 2022 18:43:46 +0800
Subject: [PATCH] Shell integration: Check fish version and exit on outdated
 versions

---
 .../fish/vendor_conf.d/kitty-shell-integration.fish             | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/shell-integration/fish/vendor_conf.d/kitty-shell-integration.fish b/shell-integration/fish/vendor_conf.d/kitty-shell-integration.fish
index 964385af9..3dd0bdb72 100644
--- a/shell-integration/fish/vendor_conf.d/kitty-shell-integration.fish
+++ b/shell-integration/fish/vendor_conf.d/kitty-shell-integration.fish
@@ -19,6 +19,8 @@ end
 
 status is-interactive || exit 0
 not functions -q __ksi_schedule || exit 0
+# Check fish version 3.3.0+ efficiently and exit on outdated versions
+set -q fish_killring || exit 0
 
 function __ksi_schedule --on-event fish_prompt -d "Setup kitty integration after other scripts have run, we hope"
     functions --erase __ksi_schedule