From 84b402c26a0d53e6d60655ce0c959e984d4ee660 Mon Sep 17 00:00:00 2001
From: Joey Chagnon <chagnon.joey@gmail.com>
Date: Thu, 19 May 2016 16:28:48 -0400
Subject: [PATCH] Fix permissions error when local hosts is on nfs.

If hosts.local is served via NFS with root_squash enabled then the copy
fails with a permission denied error.
---
 lib/vagrant-hostmanager/hosts_file/updater.rb | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/lib/vagrant-hostmanager/hosts_file/updater.rb b/lib/vagrant-hostmanager/hosts_file/updater.rb
index 97d412c..8df2585 100644
--- a/lib/vagrant-hostmanager/hosts_file/updater.rb
+++ b/lib/vagrant-hostmanager/hosts_file/updater.rb
@@ -56,7 +56,12 @@ class << self
             copy_proc = Proc.new { windows_copy_file(file, hosts_location) }
           else
             hosts_location = '/etc/hosts'
-            copy_proc = Proc.new { `sudo cp #{file} #{hosts_location}` }
+            copy_proc = Proc.new { 
+              tmp = Tempfile.new('hosts.local')
+              FileUtils.cp(file, tmp.path())
+              `sudo cp #{tmp.path()} #{hosts_location}`
+              tmp.close!
+            }
           end
 
           FileUtils.cp(hosts_location, file)