From 1f4236df3aaaec797e81572fd120a9d49d4035b9 Mon Sep 17 00:00:00 2001
From: Adam Stankiewicz <sheerun@sher.pl>
Date: Fri, 1 Jan 2021 17:06:27 +0100
Subject: [PATCH] Detect filetype only if not set, fixes #656

---
 ftdetect/polyglot.vim | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/ftdetect/polyglot.vim b/ftdetect/polyglot.vim
index 113453aff..198e334ce 100644
--- a/ftdetect/polyglot.vim
+++ b/ftdetect/polyglot.vim
@@ -2662,11 +2662,11 @@ func! s:Observe(fn)
   let b:PolyglotObserve = function("polyglot#" . a:fn)
   augroup polyglot-observer
     au!
-    au CursorHold,CursorHoldI,BufWritePost <buffer> call b:PolyglotObserve()
+    au CursorHold,CursorHoldI <buffer> call b:PolyglotObserve()
   augroup END
 endfunc
 
-au BufNewFile,BufRead,StdinReadPost,BufWritePost * if expand("<afile>:e") == "" |
+au BufNewFile,BufRead,StdinReadPost,BufWritePost * if (&ft == "" || &ft == "conf") && expand("<afile>:e") == "" |
   \ call polyglot#shebang#Detect() | endif
 
 au BufWinEnter * if &ft == "" && expand("<afile>:e") == "" |