From e4870848579d98587c41a2e9083ebeab0f3c1eb7 Mon Sep 17 00:00:00 2001
From: Junegunn Choi <junegunn.c@gmail.com>
Date: Fri, 18 Dec 2015 12:19:52 +0900
Subject: [PATCH] Open selected file in the current window if it's empty

https://github.com/junegunn/fzf/issues/451
---
 autoload/fzf/vim.vim | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/autoload/fzf/vim.vim b/autoload/fzf/vim.vim
index 16f8c68..d256f42 100644
--- a/autoload/fzf/vim.vim
+++ b/autoload/fzf/vim.vim
@@ -97,10 +97,16 @@ function! s:common_sink(lines) abort
     augroup END
   endif
   try
+    let empty = empty(expand('%')) && line('$') == 1 && empty(getline(1)) && !&modified
     let autochdir = &autochdir
     set noautochdir
     for item in a:lines
-      execute cmd s:escape(item)
+      if empty
+        execute 'e' s:escape(item)
+        let empty = 0
+      else
+        execute cmd s:escape(item)
+      endif
       if exists('#BufEnter') && isdirectory(item)
         doautocmd BufEnter
       endif