From 8e463e63ea2e837a442c55580b1bb0d72ec5b25f Mon Sep 17 00:00:00 2001
From: Maxime Coste <mawww@kakoune.org>
Date: Thu, 11 Mar 2021 20:48:44 +1100
Subject: [PATCH] Do not use replace write method when writing to a non-regular
 file

Fixes #4098
---
 src/file.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/file.cc b/src/file.cc
index 3424afef..8c9705b5 100644
--- a/src/file.cc
+++ b/src/file.cc
@@ -361,7 +361,8 @@ void write_buffer_to_file(Buffer& buffer, StringView filename,
     bool replace = method == WriteMethod::Replace;
     bool force = flags & WriteFlags::Force;
 
-    if ((replace or force) and ::stat(zfilename, &st) != 0)
+    if ((replace or force) and (::stat(zfilename, &st) != 0 or
+                                (sb.st_mode & S_IFMT) != S_IFREG))
     {
         force = false;
         replace = false;