From 82f68c42df9d11e52edb52c86113d0eba5be798d Mon Sep 17 00:00:00 2001
From: shadmansaleh <shadmansaleh3@gmail.com>
Date: Thu, 8 Apr 2021 08:43:06 +0600
Subject: [PATCH] Enhance: Cterm colors only loaded when termguicolors = false

---
 lua/lualine/highlight.lua | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/lua/lualine/highlight.lua b/lua/lualine/highlight.lua
index 80f5290..9ae4982 100644
--- a/lua/lualine/highlight.lua
+++ b/lua/lualine/highlight.lua
@@ -5,16 +5,21 @@ local utils_colors = require 'lualine.utils.cterm_colors'
 local utils = require 'lualine.utils.utils'
 local section_highlight_map = {x = 'c', y = 'b', z = 'a'}
 local active_theme = nil
+local cterm_colors = false
 
 function M.highlight(name, foreground, background, gui, reload)
   local command = {'highlight', name}
   if foreground and foreground ~= 'none' then
-    table.insert(command, 'ctermfg=' .. utils_colors.get_cterm_color(foreground))
     table.insert(command, 'guifg=' .. foreground)
+    if cterm_colors then
+      table.insert(command, 'ctermfg=' .. utils_colors.get_cterm_color(foreground))
+    end
   end
   if background and background ~= 'none' then
-    table.insert(command, 'ctermbg=' .. utils_colors.get_cterm_color(background))
     table.insert(command, 'guibg=' .. background)
+    if cterm_colors then
+      table.insert(command, 'ctermbg=' .. utils_colors.get_cterm_color(background))
+    end
   end
   if gui then
     table.insert(command, 'cterm=' .. gui)
@@ -29,6 +34,7 @@ end
 function M.create_highlight_groups(theme)
   utils.clear_highlights()
   active_theme = theme
+  cterm_colors = not vim.o.termguicolors
   for mode, sections in pairs(theme) do
     for section, colorscheme in pairs(sections) do
       local highlight_group_name = {'lualine', section, mode}