# HG changeset patch
# User Meredith Howard <mhoward@roomag.org>
# Date 1714936642 18000
# Node ID 2543467f42da682f837c8d3353ab83d51d0b13ab
# Parent  28e64ed03c2581611808e32f2f875a6045299d0d
Make auto-prune a standalone file plugin too

diff --git a/.config/nvim/lua/config/autocmds.lua b/.config/nvim/lua/config/autocmds.lua
--- a/.config/nvim/lua/config/autocmds.lua
+++ b/.config/nvim/lua/config/autocmds.lua
@@ -50,12 +50,3 @@ end)
 autocmd(g, "BufReadPost", "*", function()
   fn.matchadd("Error", [[\m^\([<>|]\)\{7} \@=\|^=\{7}$]])
 end)
-
--- >> Prune old backup and undo files at startup
-autocmd(g, "User", "VeryLazy", function()
-  local prune_files = require("config.util").prune_files
-  if vim.go.swapfile then prune_files(vim.go.directory, 90) end
-  if vim.go.backup then prune_files(vim.go.backupdir, 90) end
-  if vim.go.undofile then prune_files(vim.go.undodir, 90) end
-end)
-
diff --git a/.config/nvim/lua/config/util.lua b/.config/nvim/lua/config/util.lua
--- a/.config/nvim/lua/config/util.lua
+++ b/.config/nvim/lua/config/util.lua
@@ -49,18 +49,4 @@ function M.last_modified_days(fname)
   return (os.time() - vim.fn.getftime(fname)) / 86400
 end
 
-function M.prune_files(path, days)
-  local sunset = os.time() - (days * 86400)
-  path = vim.fs.normalize(path)
-
-  if fn.getftype(path) == "" then return end
-
-  for fname, type in vim.fs.dir(path) do
-    local fpath = vim.fs.normalize(path .. "/" .. fname)
-    if type == "file" and fn.getftime(fpath) < sunset then
-      os.remove(fpath)
-    end
-  end
-end
-
 return M
diff --git a/.config/nvim/plugin/auto-prune.lua b/.config/nvim/plugin/auto-prune.lua
new file mode 100644
--- /dev/null
+++ b/.config/nvim/plugin/auto-prune.lua
@@ -0,0 +1,28 @@
+-- Prune old swap, backup, and undo files at startup
+
+local fn, fs = vim.fn, vim.fs
+
+local function prune_files(path, days)
+  local sunset = os.time() - (days * 86400)
+  path = fs.normalize(path)
+
+  if fn.getftype(path) == "" then return end
+
+  for fname, type in fs.dir(path) do
+    local fpath = fs.normalize(path .. "/" .. fname)
+    if type == "file" and fn.getftime(fpath) < sunset then
+      os.remove(fpath)
+    end
+  end
+end
+
+vim.api.nvim_create_autocmd("VimEnter", {
+  pattern = "*",
+  group = vim.api.nvim_create_augroup("AutoPrune", { clear = true }),
+  callback = function()
+    if vim.v.vim_did_enter then return end
+    if vim.go.swapfile then prune_files(vim.go.directory, 90) end
+    if vim.go.backup then prune_files(vim.go.backupdir, 90) end
+    if vim.go.undofile then prune_files(vim.go.undodir, 90) end
+  end
+})