Rakefile in arborist-0.0.1.pre20160829140603 vs Rakefile in arborist-0.0.1.pre20161005112841

@@ -1,7 +1,9 @@
 #!/usr/bin/env rake
 
+require 'rake/clean'
+
 begin
 	require 'hoe'
 rescue LoadError
 	abort "This Rakefile requires hoe (gem install hoe)"
 end
@@ -87,12 +89,14 @@
 	spec = $hoespec.spec
 	spec.files.delete( '.gemtest' )
 	spec.files.delete( 'LICENSE' )
 	spec.signing_key = nil
 	spec.version = "#{spec.version}.pre#{Time.now.strftime("%Y%m%d%H%M%S")}"
+	spec.cert_chain = [ 'certs/ged.pem' ]
 	File.open( task.name, 'w' ) do |fh|
 		fh.write( spec.to_ruby )
 	end
 end
+CLOBBER.include( GEMSPEC )
 
 task :default => :gemspec