From 400b7842a98355bc3fcf2ecfaeda8ccf259d917a Mon Sep 17 00:00:00 2001
From: Gregory Anders <8965202+gpanders@users.noreply.github.com>
Date: Wed, 29 Nov 2023 09:49:44 -0600
Subject: fix(termcap): escape escapes in passthrough sequence (#26301)

When using the tmux passthrough sequence any escape characters in the
inner sequence must be escaped by adding another escape character.
---
 runtime/lua/vim/termcap.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'runtime/lua/vim')

diff --git a/runtime/lua/vim/termcap.lua b/runtime/lua/vim/termcap.lua
index 2117f287cb..862cc52149 100644
--- a/runtime/lua/vim/termcap.lua
+++ b/runtime/lua/vim/termcap.lua
@@ -53,7 +53,7 @@ function M.query(caps, cb)
 
   -- If running in tmux, wrap with the passthrough sequence
   if os.getenv('TMUX') then
-    query = string.format('\027Ptmux;\027%s\027\\', query)
+    query = string.format('\027Ptmux;%s\027\\', query:gsub('\027', '\027\027'))
   end
 
   io.stdout:write(query)
-- 
cgit