From 11e775b03b200f3d9899edfb9c994ede42adfd46 Mon Sep 17 00:00:00 2001
From: Mitchell Hashimoto <mitchell.hashimoto@gmail.com>
Date: Thu, 30 Sep 2010 01:39:05 -0700
Subject: [PATCH] Retry on TypeError for NFS cleanup, which seems to happen
 during Kernel#system

---
 lib/vagrant/hosts/bsd.rb | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/lib/vagrant/hosts/bsd.rb b/lib/vagrant/hosts/bsd.rb
index 9bf3f2310..ef465fae1 100644
--- a/lib/vagrant/hosts/bsd.rb
+++ b/lib/vagrant/hosts/bsd.rb
@@ -35,12 +35,15 @@ module Vagrant
 
       def nfs_cleanup
         return if !File.exist?("/etc/exports")
-        system("cat /etc/exports | grep 'VAGRANT-BEGIN: #{env.vm.uuid}' > /dev/null 2>&1")
 
-        if $?.to_i == 0
-          # Use sed to just strip out the block of code which was inserted
-          # by Vagrant
-          system("sudo sed -e '/^# VAGRANT-BEGIN: #{env.vm.uuid}/,/^# VAGRANT-END: #{env.vm.uuid}/ d' -i bak /etc/exports")
+        retryable(:tries => 10, :on => TypeError) do
+          system("cat /etc/exports | grep 'VAGRANT-BEGIN: #{env.vm.uuid}' > /dev/null 2>&1")
+
+          if $?.to_i == 0
+            # Use sed to just strip out the block of code which was inserted
+            # by Vagrant
+            system("sudo sed -e '/^# VAGRANT-BEGIN: #{env.vm.uuid}/,/^# VAGRANT-END: #{env.vm.uuid}/ d' -i bak /etc/exports")
+          end
         end
       end
     end