From 1c034be0d31168c8f4770ef7b69adb67d00d6f3d Mon Sep 17 00:00:00 2001
From: Andy Stewart <boss@airbladesoftware.com>
Date: Wed, 22 Feb 2017 11:28:25 +0000
Subject: [PATCH] Store buffer local variables in a single dictionary.

This reduces the footprint in the buffer variable namespace to a single
key.
---
 autoload/gitgutter/utility.vim | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/autoload/gitgutter/utility.vim b/autoload/gitgutter/utility.vim
index b32e701..e4bc774 100644
--- a/autoload/gitgutter/utility.vim
+++ b/autoload/gitgutter/utility.vim
@@ -3,14 +3,19 @@ let s:using_xolox_shell = -1
 let s:exit_code = 0
 
 function! gitgutter#utility#setbufvar(buffer, varname, val)
-  call setbufvar(a:buffer, 'gitgutter_'.a:varname, a:val)
+  let dict = get(getbufvar(a:buffer, ''), 'gitgutter', {})
+  let dict[a:varname] = a:val
+  call setbufvar(a:buffer, 'gitgutter', dict)
 endfunction
 
 function! gitgutter#utility#getbufvar(buffer, varname, ...)
-  if a:0
-    return get(getbufvar(a:buffer, ''), 'gitgutter_'.a:varname, a:1)
+  let dict = get(getbufvar(a:buffer, ''), 'gitgutter', {})
+  if has_key(dict, a:varname)
+    return dict[a:varname]
   else
-    return getbufvar(a:buffer, 'gitgutter_'.a:varname)
+    if a:0
+      return a:1
+    endif
   endif
 endfunction