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Merge pull request #21839 from seandewar/lua-health-fix

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feat(health): detect tmux RGB support via `client_termfeatures`
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Sean Dewar 2023-01-16 18:23:44 +00:00 committed by GitHub
commit 1484995a1e
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1 changed files with 19 additions and 12 deletions
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19
runtime/lua/nvim/health.lua
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@ -273,7 +273,7 @@ local function check_tmux()
if tmux_esc_time ~= 'error' then if tmux_esc_time ~= 'error' then
if empty(tmux_esc_time) then if empty(tmux_esc_time) then
health.report_error('`escape-time` is not set', suggestions) health.report_error('`escape-time` is not set', suggestions)
elseif tmux_esc_time > 300 then elseif tonumber(tmux_esc_time) > 300 then
health.report_error( health.report_error(
'`escape-time` (' .. tmux_esc_time .. ') is higher than 300ms', '`escape-time` (' .. tmux_esc_time .. ') is higher than 300ms',
suggestions suggestions
@ -326,19 +326,26 @@ local function check_tmux()
end end
-- check for RGB capabilities -- check for RGB capabilities
local info = vim.fn.system({ 'tmux', 'show-messages', '-JT' }) local info = vim.fn.system({ 'tmux', 'display-message', '-p', '#{client_termfeatures}' })
local has_tc = vim.fn.stridx(info, ' Tc: (flag) true') ~= -1 info = vim.split(vim.trim(info), ',', { trimempty = true })
local has_rgb = vim.fn.stridx(info, ' RGB: (flag) true') ~= -1 if not vim.tbl_contains(info, 'RGB') then
if not has_tc and not has_rgb then local has_rgb = false
if #info == 0 then
-- client_termfeatures may not be supported; fallback to checking show-messages
info = vim.fn.system({ 'tmux', 'show-messages', '-JT' })
has_rgb = info:find(' Tc: (flag) true', 1, true) or info:find(' RGB: (flag) true', 1, true)
end
if not has_rgb then
health.report_warn( health.report_warn(
"Neither Tc nor RGB capability set. True colors are disabled. |'termguicolors'| won't work properly.", "Neither Tc nor RGB capability set. True colors are disabled. |'termguicolors'| won't work properly.",
{ {
"Put this in your ~/.tmux.conf and replace XXX by your $TERM outside of tmux:\nset-option -sa terminal-overrides ',XXX:RGB'", "Put this in your ~/.tmux.conf and replace XXX by your $TERM outside of tmux:\nset-option -sa terminal-features ',XXX:RGB'",
"For older tmux versions use this instead:\nset-option -ga terminal-overrides ',XXX:Tc'", "For older tmux versions use this instead:\nset-option -ga terminal-overrides ',XXX:Tc'",
} }
) )
end end
end end
end
local function check_terminal() local function check_terminal()
if not executable('infocmp') then if not executable('infocmp') then