wisper.gemspec in wisper-1.6.1 vs wisper.gemspec in wisper-2.0.0.rc1

@@ -11,9 +11,16 @@
   gem.description   = %q{pub/sub for Ruby objects}
   gem.summary       = %q{pub/sub for Ruby objects}
   gem.homepage      = "https://github.com/krisleech/wisper"
   gem.license       = "MIT"
 
+  signing_key = File.expand_path('~/.ssh/gem-private_key.pem')
+
+  if File.exist?(signing_key)
+    gem.signing_key = signing_key
+    gem.cert_chain  = ['gem-public_cert.pem']
+  end
+
   gem.files         = `git ls-files`.split($/)
   gem.executables   = gem.files.grep(%r{^bin/}).map{ |f| File.basename(f) }
   gem.test_files    = gem.files.grep(%r{^(test|spec|features)/})
   gem.require_paths = ["lib"]
 end