neovim

commit 032e024f8ab9048286859be6b83349c5f1ece868
parent 34a40d3a50f71a4b5e06c36ed9f9110983984dbf
Author: Tristan Knight <admin@snappeh.com>
Date:   Mon, 23 Sep 2024 23:42:16 +0100

fix(filetype): handle .in files with no filename (#30487)

Problem:
fnamemodify with the :r flag will not strip extensions if the filename
starts with a ".". This means that files named ".in" could cause an
infinite loop.

Solution:
Add early return if the filename was not changed
Diffstat:
M
runtime/lua/vim/filetype.lua
 | 
6
++++--

1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/runtime/lua/vim/filetype.lua b/runtime/lua/vim/filetype.lua
@@ -148,6 +148,9 @@ end
 
 local function detect_noext(path, bufnr)
   local root = fn.fnamemodify(path, ':r')
+  if root == path then
+    return
+  end
   return M.match({ buf = bufnr, filename = root })
 end
 
@@ -1383,8 +1386,7 @@ local extension = {
   ['dpkg-new'] = detect_noext,
   ['in'] = function(path, bufnr)
     if vim.fs.basename(path) ~= 'configure.in' then
-      local root = fn.fnamemodify(path, ':r')
-      return M.match({ buf = bufnr, filename = root })
+      return detect_noext(path, bufnr)
     end
   end,
   new = detect_noext,