From a3e4dc94d45d703c3f493b62324a54274b7f6b99 Mon Sep 17 00:00:00 2001
From: James McCoy <vega.james@gmail.com>
Date: Wed, 4 Nov 2015 21:02:31 -0500
Subject: [PATCH] Set 'readonly' per the permissions of the encrypted file.

Closes jamessan/vim-gnupg#51
Signed-off-by: James McCoy <vega.james@gmail.com>
---
 plugin/gnupg.vim | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/plugin/gnupg.vim b/plugin/gnupg.vim
index 874a39f..1a912c3 100644
--- a/plugin/gnupg.vim
+++ b/plugin/gnupg.vim
@@ -1,5 +1,5 @@
 " Name:    gnupg.vim
-" Last Change: 2015 Sep 29
+" Last Change: 2015 Nov 04
 " Maintainer:  James McCoy <vega.james@gmail.com>
 " Original Author:  Markus Braun <markus.braun@krawel.de>
 " Summary: Vim plugin for transparent editing of gpg encrypted files.
@@ -587,6 +587,7 @@ function s:GPGDecrypt(bufread)
     1mark [
     $mark ]
     let &undolevels = levels
+    let &readonly = filereadable(filename) && filewritable(filename) == 0
     " call the autocommand for the file minus .gpg$
     silent execute ':doautocmd BufReadPost ' . autocmd_filename
     call s:GPGDebug(2, 'called BufReadPost autocommand for ' . autocmd_filename)