A hack for fzf.vim to allow a preview window for :Lines

line_preview_hack.patch

diff --git a/autoload/fzf/vim.vim b/autoload/fzf/vim.vim
index 7ec7b92..dee6d81 100644
--- a/autoload/fzf/vim.vim
+++ b/autoload/fzf/vim.vim
@@ -281,11 +281,11 @@ function! fzf#vim#_lines(all)
   if display_bufnames
     let bufnames = {}
     for b in s:buflisted()
-      let bufnames[b] = pathshorten(fnamemodify(bufname(b), ":~:."))
+      let bufnames[b] = fnamemodify(bufname(b), ":~:.")
       let longest_name = max([longest_name, len(bufnames[b])])
     endfor
   endif
-  let len_bufnames = min([15, longest_name])
+  let len_bufnames = longest_name
   for b in s:buflisted()
     let lines = getbufline(b, 1, "$")
     if empty(lines)
diff --git a/bin/preview.rb b/bin/preview.rb
index a7886ef..4b5a9df 100755
--- a/bin/preview.rb
+++ b/bin/preview.rb
@@ -21,12 +21,20 @@ usage if ARGV.empty?
 file, center = ARGV.first.split(':')
 usage unless file
 
-path = File.expand_path(file)
-unless File.readable? path
-  puts "File not found: #{file}"
-  exit 1
+def checkpath(file)
+  path = File.expand_path(file)
+  File.readable? path
 end
 
+unless checkpath(file)
+  bufnum, file, center = ARGV.first.split('	')
+  unless checkpath(file)
+    puts "File not found: #{file}"
+  end
+end
+
+path = File.expand_path(file)
+
 if `file --mime "#{file}"` =~ /binary/
   puts "#{file} is a binary file"
   exit 0