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fix(tui): remove DCS escaping in tmux (#32723)

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Per https://github.com/tmux/tmux/issues/4386, tmux does not support DCS
responses, even if the initial request was escaped.
This commit is contained in:
Gregory Anders
2025-03-05 21:28:05 -06:00
committed by GitHub
parent 9c4f2cde7b
commit 0c0352783f
3 changed files with 3 additions and 9 deletions
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3
runtime/doc/provider.txt
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@ -264,7 +264,8 @@ causes the terminal emulator to write to or read from the system clipboard.
When Nvim is running in the |TUI|, it will automatically attempt to determine if When Nvim is running in the |TUI|, it will automatically attempt to determine if
the host terminal emulator supports OSC 52. If it does, then Nvim will use OSC the host terminal emulator supports OSC 52. If it does, then Nvim will use OSC
52 for copying and pasting if no other |clipboard-tool| is found and when 52 for copying and pasting if no other |clipboard-tool| is found and when
'clipboard' is unset. 'clipboard' is unset. NOTE: Using a terminal multiplexer (e.g. tmux) may
inhibit automatic OSC 52 support detection.
*g:termfeatures* *g:termfeatures*
To disable the automatic detection, set the "osc52" key of |g:termfeatures| to To disable the automatic detection, set the "osc52" key of |g:termfeatures| to

4
runtime/lua/vim/_defaults.lua
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@ -834,9 +834,7 @@ do
-- terminal responds to the DECRQSS with the same SGR sequence that we -- terminal responds to the DECRQSS with the same SGR sequence that we
-- sent then the terminal supports truecolor. -- sent then the terminal supports truecolor.
local decrqss = '\027P$qm\027\\' local decrqss = '\027P$qm\027\\'
if os.getenv('TMUX') then
decrqss = string.format('\027Ptmux;%s\027\\', decrqss:gsub('\027', '\027\027'))
end
-- Reset attributes first, as other code may have set attributes. -- Reset attributes first, as other code may have set attributes.
io.stdout:write(string.format('\027[0m\027[48;2;%d;%d;%dm%s', r, g, b, decrqss)) io.stdout:write(string.format('\027[0m\027[48;2;%d;%d;%dm%s', r, g, b, decrqss))

5
runtime/lua/vim/termcap.lua
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@ -71,11 +71,6 @@ function M.query(caps, cb)
local query = string.format('\027P+q%s\027\\', table.concat(encoded, ';')) local query = string.format('\027P+q%s\027\\', table.concat(encoded, ';'))
-- If running in tmux, wrap with the passthrough sequence
if os.getenv('TMUX') then
query = string.format('\027Ptmux;%s\027\\', query:gsub('\027', '\027\027'))
end
io.stdout:write(query) io.stdout:write(query)
timer:start(1000, 0, function() timer:start(1000, 0, function()