lots of macbook vim stuff

lua/fancyutil.lua

@@ -0,0 +1,19 @@
+-- init module
+local _M = {}
+
+--- @param bufnr integer | nil
+--- @return true | false | nil
+function _M.get_oil_nnn(bufnr)
+  bufnr = bufnr or 0
+  local ok, value = pcall(vim.api.nvim_buf_get_var, bufnr, 'nnn')
+  if not ok then
+    return nil
+  end
+  if value then
+    return true
+  end
+  return false
+end
+vim.fn.get_oil_nnn = _M.get_oil_nnn
+
+return _M