diff options
| -rw-r--r-- | runtime/lua/nvim/health.lua | 29 |
1 files changed, 11 insertions, 18 deletions
diff --git a/runtime/lua/nvim/health.lua b/runtime/lua/nvim/health.lua index afab6f824d..5a643db0ba 100644 --- a/runtime/lua/nvim/health.lua +++ b/runtime/lua/nvim/health.lua @@ -324,24 +324,17 @@ local function check_tmux() end -- check for RGB capabilities - local info = vim.fn.system({ 'tmux', 'display-message', '-p', '#{client_termfeatures}' }) - info = vim.split(vim.trim(info), ',', { trimempty = true }) - if not vim.list_contains(info, '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.warn( - "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-features ',XXX:RGB'", - "For older tmux versions use this instead:\nset-option -ga terminal-overrides ',XXX:Tc'", - } - ) - end + local info = vim.fn.system({ 'tmux', 'show-messages', '-T' }) + local has_setrgbb = vim.fn.stridx(info, ' setrgbb: (string)') ~= -1 + local has_setrgbf = vim.fn.stridx(info, ' setrgbf: (string)') ~= -1 + if not has_setrgbb or not has_setrgbf then + health.warn( + "True color support could not be detected. |'termguicolors'| won't work properly.", + { + "Add the following to your tmux configuration file, replacing XXX by the value of $TERM outside of tmux:\nset-option -a terminal-features 'XXX:RGB'", + "For older tmux versions use this instead:\nset-option -a terminal-overrides 'XXX:Tc'", + } + ) end end |