(PUP-10946) Ignore max_files during pluginsync

There's nothing a user can do to solve this issue, so ignore errors/warnings due
to numbers of files.

Author: joshcooper

lib/puppet/configurer/downloader.rb

@@ -73,7 +73,8 @@ def default_arguments
       :purge => true,
       :force => true,
       :backup => false,
-      :noop => false
+      :noop => false,
+      :max_files => -1
     }
     if !Puppet::Util::Platform.windows?
       defargs[:owner] = Process.uid

spec/unit/configurer/downloader_spec.rb

@@ -81,6 +81,12 @@ def generate_file_resource(options = {})
       expect(file[:source_permissions]).to eq(:ignore)
     end
 
+    it "should ignore the max file limit" do
+      file = generate_file_resource
+
+      expect(file[:max_files]).to eq(-1)
+    end
+
     describe "on POSIX", :if => Puppet.features.posix? do
       it "should allow source_permissions to be overridden" do
         file = generate_file_resource(:source_permissions => :use)