From 5103285d4d59cc9d2d56e6e897b8efbbb460b774 Mon Sep 17 00:00:00 2001
From: James McCoy <jamessan@jamessan.com>
Date: Tue, 14 Feb 2017 22:08:42 -0500
Subject: [PATCH] Set "buftype=acwrite" for encrypted buffers

This ensures any write of the buffer requires a configured BufWriteCmd
autocmd, providing more safe guards against problems like
jamessan/vim-gnupg#77.

Signed-off-by: James McCoy <jamessan@jamessan.com>
---
 plugin/gnupg.vim | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/plugin/gnupg.vim b/plugin/gnupg.vim
index ddc310a..5be49c2 100644
--- a/plugin/gnupg.vim
+++ b/plugin/gnupg.vim
@@ -583,6 +583,8 @@ function s:GPGDecrypt(bufread)
       call s:GPGDebug(3, "<<<<<<<< Leaving s:GPGDecrypt()")
       return
     endif
+    " Ensure the buffer is only saved by using our BufWriteCmd
+    set buftype=acwrite
   else
     execute silent 'read' fnameescape(filename)
   endif