guests/darwin: respect NFS mount options [GH-3791]

CHANGELOG.md

@@ -16,6 +16,7 @@ BUG FIXES:
       `docker stop`. [GH-3798]
   - provisioners/puppet: Fix setting facter vars with Windows
       guests. [GH-3776]
+  - guests/darwin: Respect mount options for NFS. [GH-3791]
   - guests/freebsd: Properly register the rsync_pre capability
   - guests/windows: Certain executed provisioners won't leave output
       and exit status behind. [GH-3729]

plugins/guests/darwin/cap/mount_nfs_folder.rb

@@ -11,12 +11,24 @@ module VagrantPlugins
             expanded_guest_path = machine.guest.capability(
               :shell_expand_guest_path, opts[:guestpath])
 
-              machine.communicate.sudo("if [ ! -d  #{expanded_guest_path} ]; then  mkdir -p #{expanded_guest_path};fi")
+            # Create the folder
+            machine.communicate.sudo("mkdir -p #{expanded_guest_path}")
 
-              mount_command = "mount -t nfs '#{ip}:#{opts[:hostpath]}' '#{expanded_guest_path}'"
+            # Figure out any options
-              retryable(:on => Vagrant::Errors::DarwinNFSMountFailed, :tries => 10, :sleep => 5) do
+            mount_opts = ["vers=#{opts[:nfs_version]}"]
-                machine.communicate.sudo(mount_command, :error_class => Vagrant::Errors::DarwinNFSMountFailed)
+            mount_opts << "udp" if opts[:nfs_udp]
-              end
+            if opts[:mount_options]
+              mount_opts = opts[:mount_options].dup
+            end
+
+            mount_command = "mount -t nfs " +
+              "-o '#{mount_opts.join(",")}' " +
+              "'#{ip}:#{opts[:hostpath]}' '#{expanded_guest_path}'"
+            retryable(:on => Vagrant::Errors::DarwinNFSMountFailed, :tries => 10, :sleep => 5) do
+              machine.communicate.sudo(
+                mount_command,
+                error_class: Vagrant::Errors::DarwinNFSMountFailed)
+            end
           end
         end
       end