From 76e7a980a87cf2dcfe582c04ed3255d71aaaaa95 Mon Sep 17 00:00:00 2001
From: Seth Vargo <sethvargo@gmail.com>
Date: Thu, 17 Mar 2016 20:48:08 -0500
Subject: [PATCH] Use a hash for directory lookups

---
 plugins/pushes/ftp/adapter.rb | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/plugins/pushes/ftp/adapter.rb b/plugins/pushes/ftp/adapter.rb
index f02ed1699..731816f01 100644
--- a/plugins/pushes/ftp/adapter.rb
+++ b/plugins/pushes/ftp/adapter.rb
@@ -106,7 +106,7 @@ module VagrantPlugins
       def initialize(*)
         require "net/sftp"
         super
-        @dirs = []
+        @dirs = {}
       end
 
       def default_port
@@ -125,16 +125,18 @@ module VagrantPlugins
 
         fullpath = Pathname.new(dir)
         fullpath.descend do |path|
-          if !@dirs.include?(path.to_s)
-            @dirs.push(path.to_s) # Cache visited directories in a list to avoid duplicate requests
+          if @dirs[path.to_s].nil?
             begin
               @server.mkdir!(path.to_s)
+
+              # Cache visited directories in a list to avoid duplicate requests
+              @dirs[path.to_s] = true
             rescue Net::SFTP::StatusException => e
               # Directory exists, skip...
             end
           end
         end
-        
+
         @server.upload!(local, remote)
       end
     end