From 5aa1ba3efe0597a5f508b8220961c75c3359ccdb Mon Sep 17 00:00:00 2001
From: Jaehwang Jung <tomtomjhj@gmail.com>
Date: Thu, 14 Dec 2023 07:16:21 +0900
Subject: fix(defaults): background detection in tmux (#26557)

Wrap the query with passthrough sequence
---
 runtime/lua/vim/_defaults.lua | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'runtime/lua/vim/_defaults.lua')

diff --git a/runtime/lua/vim/_defaults.lua b/runtime/lua/vim/_defaults.lua
index b73681be04..2db82a04a1 100644
--- a/runtime/lua/vim/_defaults.lua
+++ b/runtime/lua/vim/_defaults.lua
@@ -298,7 +298,11 @@ if tty then
       end,
     })
 
-    io.stdout:write('\027]11;?\007')
+    local query = '\027]11;?\007'
+    if os.getenv('TMUX') then
+      query = string.format('\027Ptmux;%s\027\\', query:gsub('\027', '\027\027'))
+    end
+    io.stdout:write(query)
 
     timer:start(1000, 0, function()
       -- Delete the autocommand if no response was received
-- 
cgit