From 7150159ebff18c06ff6c8bc2f27323c966b5b71a Mon Sep 17 00:00:00 2001
From: Jerome Reybert <jreybert@gmail.com>
Date: Thu, 30 Oct 2014 11:06:14 +0100
Subject: [PATCH] do not initialize plugin for non readable files

for example, fugitive is using temporary files like fugitive:///myfile.c for Gdiff, Gedit operations
---
 plugin/clang.vim | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/plugin/clang.vim b/plugin/clang.vim
index c720dd1..54826f1 100644
--- a/plugin/clang.vim
+++ b/plugin/clang.vim
@@ -123,7 +123,7 @@ au FileType c,cpp call <SID>ClangCompleteInit(0)
 "}}}
 "{{{ s:IsValidFile
 func! s:IsValidFile()
-  return &filetype == "c" || &filetype == "cpp"
+  return ( &filetype == "c" || &filetype == "cpp" ) && filereadable(expand("%"))
 endf
 "}}}
 "{{{ s:PDebug