1 files changed, 81 insertions, 0 deletions
diff --git a/lua/tjk/plugins/colorscheme.lua b/lua/tjk/plugins/colorscheme.lua
new file mode 100644
index 0000000..2307097
--- /dev/null
+++ b/lua/tjk/plugins/colorscheme.lua
@@ -0,0 +1,81 @@
+local root_mode = os.getenv "USER" == "root"
+local tty_mode  = os.getenv "DISPLAY" == nil
+
+-- load condition
+local enable_gruvbox = not root_mode and not tty_mode
+
+-- use another colorscheme if running as root
+if root_mode then
+	vim.cmd.colorscheme "koehler"
+end
+
+-- disable termguicolors when in a tty
+if tty_mode then
+	vim.opt.termguicolors = false
+end
+
+return {
+	"ellisonleao/gruvbox.nvim",
+	cond = enable_gruvbox,
+	priority = 9001,
+	config = function()
+		vim.o.background = "dark"
+
+		local gruvbox = require("gruvbox")
+		local colors = gruvbox.palette
+
+		gruvbox.setup({
+			italic = {
+				strings = false,
+				emphasis = true,
+				comments = false,
+				operators = false,
+				folds = true,
+			},
+			invert_selection = true,
+			contrast = "hard",
+			palette_overrides = {
+				light0 = "#ffffff",  -- use white instead of the default off-white for text
+				light1 = "#ffffff",
+				dark2  = "#363636",  -- darker whitespace characters
+			},
+			overrides = {
+				CursorLine = { bg = "#282828" }, -- dark0 (non hard)
+				Directory = { link = "GruvboxGreenBold" },
+				-- treesitter overrides (more similar to builtin python syntax highlighting)
+				-- treesitter selectors can be overridden per language using @selector.language
+				["@variable"] = { link = "GruvboxFg0" },
+				["@punctuation.bracket"] = { link = "GruvboxFg0" },
+				["@punctuation.delimiter"] = { link = "GruvboxFg0" },
+				["@keyword.import"] = { link = "GruvboxBlue" },
+				["@function"] = { link = "GruvboxAqua" },
+				["@function.method"] = { link = "GruvboxAqua" },
+				["@function.method"] = { link = "GruvboxAqua" },
+				["@attribute.builtin"] = { link = "GruvboxGreenBold" },
+				["@attribute"] = { link = "GruvboxGreenBold" },
+				["@operator"] = { link = "GruvboxRed" },
+				["@variable.member"] = { link = "GruvboxFg0" },
+				["@variable.parameter"] = { link = "GruvboxFg0" },
+				["@function.call"] = { link = "GruvboxPurple" },
+				["@function.method.call"] = { link = "GruvboxPurple" },
+				-- rainbow delimiters colors
+				RainbowDelimiterRed    = { fg = "#ff4433" },
+				RainbowDelimiterYellow = { fg = "#ffff22" },
+				RainbowDelimiterBlue   = { fg = "#66f3ff" },
+				RainbowDelimiterOrange = { fg = "#ffaa00" },
+				RainbowDelimiterGreen  = { fg = "#99ff44" },
+				RainbowDelimiterViolet = { fg = "#aa00ff" },
+				RainbowDelimiterCyan   = { fg = "#22ddff" },
+				-- TODO italic string start / end
+				--["@string_start"] = { italic = true },
+				--["@string_end"] = { italic = true },
+			},
+		})
+
+		-- set colorscheme
+		vim.cmd.colorscheme "gruvbox"
+
+		-- fix todo comment highlighting (here instead of theme overrides since this replaces the bg w/ default)
+		vim.api.nvim_set_hl(0, "Todo", { fg = "#ffffff", bold = true })
+	end,
+}