This repository has no description
tools.nvim: fix theme tracking on nixos
author
lassulus
date
(Aug 28, 2025, 7:25 PM +0100)
commit
097893d9
097893d9951bff943095247892b071a6756dfd6f
parent
de5c8a96
de5c8a96c5827c35e4eb1db06299318587966f0c
+35
-29
+35
-29
tools/nvim/flake-module.nix
+35
-29
tools/nvim/flake-module.nix
···
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is_dark = result:match("Dark") ~= nil
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elseif vim.fn.has("unix") == 1 then
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-- Linux: check if running under a dark theme
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-- Try multiple methods to detect dark theme
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local methods = {
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-- GNOME/GTK
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"gsettings get org.gnome.desktop.interface gtk-theme 2>/dev/null",
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"gsettings get org.gnome.desktop.interface color-scheme 2>/dev/null",
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-- KDE
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"kreadconfig5 --file kdeglobals --group General --key ColorScheme 2>/dev/null",
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-- Check if COLORFGBG suggests dark background
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function()
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local colorfgbg = vim.env.COLORFGBG
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if colorfgbg then
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local fg, bg = colorfgbg:match("(%d+);(%d+)")
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if fg and bg then
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-- If foreground is lighter than background, likely dark theme
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return tonumber(fg) > tonumber(bg)
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-- Check NixOS theme system first (always check this fresh)
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local f = io.open("/var/theme/current_theme", "r")
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if f then
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local content = f:read("*all"):gsub("^%s+", ""):gsub("%s+$", "")
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f:close()
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is_dark = (content == "dark")
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else
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-- Fallback to other methods if theme file doesn't exist
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local methods = {
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-- GNOME/GTK
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"gsettings get org.gnome.desktop.interface gtk-theme 2>/dev/null",
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"gsettings get org.gnome.desktop.interface color-scheme 2>/dev/null",
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-- KDE
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"kreadconfig5 --file kdeglobals --group General --key ColorScheme 2>/dev/null",
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-- Check if COLORFGBG suggests dark background
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function()
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local colorfgbg = vim.env.COLORFGBG
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if colorfgbg then
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local fg, bg = colorfgbg:match("(%d+);(%d+)")
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if fg and bg then
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-- If foreground is lighter than background, likely dark theme
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return tonumber(fg) > tonumber(bg)
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end
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end
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return false
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end
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return false
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end
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}
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}
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for _, method in ipairs(methods) do
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if type(method) == "function" then
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is_dark = method()
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if is_dark then break end
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else
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local result = vim.fn.system(method)
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if result:match("[Dd]ark") or result:match("prefer%-dark") then
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is_dark = true
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break
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for _, method in ipairs(methods) do
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if type(method) == "function" then
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is_dark = method()
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if is_dark then break end
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else
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local result = vim.fn.system(method)
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if result:match("[Dd]ark") or result:match("prefer%-dark") then
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is_dark = true
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break
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end
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end
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end
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end
···
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if is_dark then
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vim.cmd("colorscheme ayu")
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print("Switched to dark theme (ayu)")
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else
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vim.cmd("colorscheme everforest")
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print("Switched to light theme (everforest)")
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end
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end
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end