From ccdf455426cd7538de0139ae9d583d2a38ac0e89 Mon Sep 17 00:00:00 2001
From: James McCoy <vega.james@gmail.com>
Date: Wed, 4 Nov 2015 22:03:35 -0500
Subject: [PATCH] After writing the buffer to disk, update 'readonly'

Signed-off-by: James McCoy <vega.james@gmail.com>
---
 plugin/gnupg.vim | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/plugin/gnupg.vim b/plugin/gnupg.vim
index 47eced1..0f7f3f7 100644
--- a/plugin/gnupg.vim
+++ b/plugin/gnupg.vim
@@ -726,9 +726,11 @@ function s:GPGEncrypt()
     return
   endif
 
-  call rename(destfile, resolve(expand('<afile>')))
+  let filename = resolve(expand('<afile>'))
+  call rename(destfile, filename)
   if auType == 'BufWrite'
     setl nomodified
+    let &readonly = filereadable(filename) && filewritable(filename) == 0
   endif
 
   silent exe ':doautocmd '. auType .'Post '. autocmd_filename