From e5668602cc89f3298a1ab936b082e82519aa6a50 Mon Sep 17 00:00:00 2001
From: Adam Stankiewicz <sheerun@sher.pl>
Date: Wed, 30 Dec 2020 09:58:20 +0100
Subject: Enable again swapfiles, fixes #638

---
 ftdetect/polyglot.vim | 21 +++++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

diff --git a/ftdetect/polyglot.vim b/ftdetect/polyglot.vim
index 4d6935fe..29a4a2c7 100644
--- a/ftdetect/polyglot.vim
+++ b/ftdetect/polyglot.vim
@@ -2687,8 +2687,25 @@ if !has_key(g:polyglot_is_disabled, 'sensible')
   " Reload unchanged files automatically.
   set autoread
 
-  " Disable swap, it doesn't play well with autoread
-  set noswapfile
+  " This is needed to avoid swapfile warning when auto-reloading
+  set shortmess+=A
+
+  " Avoids swapfiles in current directory
+  if &directory =~# '^\.,'
+    if !empty($HOME)
+      if has('win32')
+        let &directory = expand('$HOME/vimfiles') . '//,' . &directory
+      else
+        let &directory = expand('$HOME/.vim') . '//,' . &directory
+      endif
+    endif
+    if !empty($XDG_DATA_HOME)
+      let &directory = expand('$XDG_DATA_HOME') . '//,' . &directory
+    endif
+    if has('macunix')
+      let &directory = expand('$HOME/Library/Autosave Information') . '//,' . &directory
+    endif
+  endif
 
   " Autoindent when starting new line, or using `o` or `O`.
   set autoindent
-- 
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