From 28353bd0609ae7b8c7e01c70dce31700d8c6e654 Mon Sep 17 00:00:00 2001
From: Andy Stewart <boss@airbladesoftware.com>
Date: Mon, 7 Mar 2016 10:32:52 +0000
Subject: [PATCH] Add grep information to debug output.

---
 autoload/gitgutter/debug.vim | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/autoload/gitgutter/debug.vim b/autoload/gitgutter/debug.vim
index 2e19d80..d5b4304 100644
--- a/autoload/gitgutter/debug.vim
+++ b/autoload/gitgutter/debug.vim
@@ -12,6 +12,9 @@ function! gitgutter#debug#debug()
   call gitgutter#debug#git_version()
   call gitgutter#debug#separator()
 
+  call gitgutter#debug#grep_version()
+  call gitgutter#debug#separator()
+
   call gitgutter#debug#option('updatetime')
   call gitgutter#debug#option('shell')
   call gitgutter#debug#option('shellcmdflag')
@@ -42,6 +45,14 @@ function! gitgutter#debug#git_version()
   call gitgutter#debug#output( substitute(v, '\n$', '', '') )
 endfunction
 
+function! gitgutter#debug#grep_version()
+  let v = system('grep --version')
+  call gitgutter#debug#output( substitute(v, '\n$', '', '') )
+
+  let v = system('grep --help')
+  call gitgutter#debug#output( substitute(v, '\%x00', '', 'g') )
+endfunction
+
 function! gitgutter#debug#option(name)
   if exists('+' . a:name)
     let v = eval('&' . a:name)