From 3bbcce79ce2296e03ad32f8756872e472a74fada Mon Sep 17 00:00:00 2001
From: Junegunn Choi <junegunn.c@gmail.com>
Date: Fri, 25 Sep 2015 11:18:24 +0900
Subject: [PATCH] Concatenate options for customization (#15)

---
 autoload/fzf/vim.vim | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/autoload/fzf/vim.vim b/autoload/fzf/vim.vim
index 9a3c42d..0a8a033 100644
--- a/autoload/fzf/vim.vim
+++ b/autoload/fzf/vim.vim
@@ -54,7 +54,11 @@ function! s:buflisted()
 endfunction
 
 function! s:fzf(opts, extra)
-  return fzf#run(extend(a:opts, get(a:extra, 0, {})))
+  let extra  = copy(get(a:extra, 0, {}))
+  let eopts  = has_key(extra, 'options') ? remove(extra, 'options') : ''
+  let merged = extend(copy(a:opts), extra)
+  let merged.options = join(filter([get(merged, 'options', ''), eopts], '!empty(v:val)'))
+  return fzf#run(merged)
 endfunction
 
 let s:default_action = {
@@ -783,4 +787,3 @@ endfunction
 let &cpo = s:cpo_save
 unlet s:cpo_save
 
-