[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
This commit is contained in:
Junegunn Choi 2017-04-30 11:18:56 +09:00
parent d5e72bf55d
commit 93b8f61551
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@ -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