From f5cadc93fa3b5a99f69675e89f60cafa832042b8 Mon Sep 17 00:00:00 2001
From: Mitchell Hashimoto <mitchell.hashimoto@gmail.com>
Date: Thu, 19 Nov 2015 18:35:18 -0800
Subject: [PATCH] guests/linux: POSIX sed [GH-6104]

---
 plugins/guests/linux/cap/remove_public_key.rb | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/plugins/guests/linux/cap/remove_public_key.rb b/plugins/guests/linux/cap/remove_public_key.rb
index a8d773a40..de696fa69 100644
--- a/plugins/guests/linux/cap/remove_public_key.rb
+++ b/plugins/guests/linux/cap/remove_public_key.rb
@@ -10,8 +10,10 @@ module VagrantPlugins
 
           machine.communicate.tap do |comm|
             if comm.test("test -f ~/.ssh/authorized_keys")
-              comm.execute(
-                "sed -i '/^.*#{contents}.*$/d' ~/.ssh/authorized_keys")
+              comm.execute(<<SCRIPT)
+sed -e '/^.*#{contents}.*$/d' ~/.ssh/authorized_keys > ~/.ssh/authorized_keys.new
+mv ~/.ssh/authorized_keys.new ~/.ssh/authorized_keys
+SCRIPT
             end
           end
         end