init

plugins/undo-tree.lua

@@ -0,0 +1,18 @@
+local opt = vim.o
+local run = vim.cmd
+
+return {
+    "mbbill/undotree",
+    event = "BufRead",
+    config = function()
+      opt.backup = true -- enable backup
+      opt.backupdir = os.getenv("HOME") .. "/.vim/backup" -- save backups to this directory
+      opt.swapfile = false -- no swap file, no
+
+      -- save undo history
+      opt.undodir = os.getenv("HOME") .. "/.vim/undo"
+    end,
+    keys = {
+      { "<leader>U", ":UndotreeToggle<cr>", desc = "Toggle undotree"}
+    }
+}