update nvim config

Signed-off-by: Robert Günzler <r@gnzler.io>

1 files changed, 10 insertions, 0 deletions

diff --git a/.vim/plugin/undo.lua b/.vim/plugin/undo.lua
new file mode 100644
index 0000000..aed6195
--- /dev/null
+++ b/.vim/plugin/undo.lua
@@ -0,0 +1,10 @@
+-- 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