Platform independent undodir

init.lua

@@ -1,14 +1,14 @@
 -- init.lua
 local lazypath = vim.fn.stdpath("data") .. "/lazy/lazy.nvim"
 if not vim.loop.fs_stat(lazypath) then
-	vim.fn.system({
-		"git",
-		"clone",
-		"--filter=blob:none",
-		"https://github.com/folke/lazy.nvim.git",
-		"--branch=stable", -- latest stable release
-		lazypath,
-	})
+  vim.fn.system({
+    "git",
+    "clone",
+    "--filter=blob:none",
+    "https://github.com/folke/lazy.nvim.git",
+    "--branch=stable", -- latest stable release
+    lazypath,
+  })
 end
 vim.opt.rtp:prepend(lazypath)
 vim.g.mapleader = " "
@@ -16,7 +16,7 @@ require("lazy").setup("plugins")
 require("commands")
 
 vim.opt.backup = false
-vim.opt.undodir = os.getenv("HOME") .. '/.cache/nvim/undodir'
+vim.opt.undodir = vim.fn.stdpath('cache') .. '/undodir'
 vim.opt.swapfile = false
 vim.opt.undofile = true
 vim.opt.smartcase = true
@@ -32,12 +32,12 @@ vim.opt.autochdir = false
 vim.opt.clipboard = 'unnamed,unnamedplus'
 in_wsl = os.getenv('WSL_DISTRO_NAME') ~= nil
 if in_wsl then
-	vim.g.clipboard = {
-		name = 'wsl clipboard',
-		copy = { ["+"] = { "clip.exe" }, ["*"] = { "clip.exe" } },
-		paste = { ["+"] = { "win32yank.exe" }, ["*"] = { "win32yank.exe" } },
-		cache_enabled = true
-	}
+  vim.g.clipboard = {
+    name = 'wsl clipboard',
+    copy = { ["+"] = { "clip.exe" }, ["*"] = { "clip.exe" } },
+    paste = { ["+"] = { "win32yank.exe" }, ["*"] = { "win32yank.exe" } },
+    cache_enabled = true
+  }
 end
 vim.opt.number = true
 vim.opt.wrap = false