.config/nvim/lua/config/undo.lua


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-- persistent undo

local undodir = vim.fn.stdpath('cache') .. '/undodir'

if vim.fn.isdirectory(undodir) == 0 then
  vim.fn.mkdir(undodir, 'p', '0700')
end

vim.g.undodir = undodir
vim.opt.undofile = true