From 28744768e6580ca87a3c7c43350e5556ae6fec74 Mon Sep 17 00:00:00 2001
From: Marco Hinz <mh.codebro@gmail.com>
Date: Wed, 11 Apr 2018 16:36:35 +0200
Subject: [PATCH] SignifyDiff: expose g:signify_vcs_cmds_diffmode

---
 autoload/sy/repo.vim | 21 +++++++++++++--------
 1 file changed, 13 insertions(+), 8 deletions(-)

diff --git a/autoload/sy/repo.vim b/autoload/sy/repo.vim
index 08d2362..98f18ec 100644
--- a/autoload/sy/repo.vim
+++ b/autoload/sy/repo.vim
@@ -452,7 +452,7 @@ if empty(s:vcs_list)
   let s:vcs_list = keys(filter(s:vcs_dict, 'executable(v:val)'))
 endif
 
-let s:vcs_cmds = {
+let s:default_vcs_cmds = {
       \ 'git':      'git diff --no-color --no-ext-diff -U0 -- %f',
       \ 'hg':       'hg diff --config extensions.color=! --config defaults.diff= --nodates -U0 -- %f',
       \ 'svn':      'svn diff --diff-cmd %d -x -U0 -- %f',
@@ -466,15 +466,20 @@ let s:vcs_cmds = {
       \ 'tfs':      'tf diff -version:W -noprompt -format:Unified %f'
       \ }
 
-if exists('g:signify_vcs_cmds')
-  call extend(g:signify_vcs_cmds, s:vcs_cmds, 'keep')
-else
-  let g:signify_vcs_cmds = s:vcs_cmds
-endif
-
-let g:signify_vcs_cmds_diffmode = {
+let s:default_vcs_cmds_diffmode = {
       \ 'git': 'git show HEAD:./%f',
       \ }
 
+if exists('g:signify_vcs_cmds')
+  call extend(g:signify_vcs_cmds, s:default_vcs_cmds, 'keep')
+else
+  let g:signify_vcs_cmds = s:default_vcs_cmds
+endif
+if exists('g:signify_vcs_cmds_diffmode')
+  call extend(g:signify_vcs_cmds_diffmode, s:default_vcs_cmds_diffmode, 'keep')
+else
+  let g:signify_vcs_cmds_diffmode = s:default_vcs_cmds_diffmode
+endif
+
 let s:difftool = sy#util#escape(s:difftool)
 let s:devnull  = has('win32') || has ('win64') ? 'NUL' : '/dev/null'