From 93b8f61551724498a3dea9b084f89666185afb46 Mon Sep 17 00:00:00 2001
From: Junegunn Choi <junegunn.c@gmail.com>
Date: Sun, 30 Apr 2017 11:18:56 +0900
Subject: [PATCH] [vim] Export $FZF_HEIGHT for previewer scripts

Preview script cannot properly determine the height of fzf finder if
`--height` option is used.

https://github.com/junegunn/fzf.vim/issues/361
---
 plugin/fzf.vim | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/plugin/fzf.vim b/plugin/fzf.vim
index 3eb1d0e..126e16b 100644
--- a/plugin/fzf.vim
+++ b/plugin/fzf.vim
@@ -379,7 +379,9 @@ try
     let use_term = 0
   endif
   if use_height
-    let optstr .= ' --height='.s:calc_size(&lines, dict.down, dict)
+    let height = s:calc_size(&lines, dict.down, dict)
+    let $FZF_HEIGHT = height
+    let optstr .= ' --height='.height
   elseif use_term
     let optstr .= ' --no-height'
   endif