restucture gem

cfn_manage.gemspec

@@ -6,14 +6,32 @@ Gem::Specification.new do |spec|
   spec.name          = 'cfn_manage'
   spec.version       = CfnManage::VERSION
   spec.summary       = 'Manage AWS Cloud Formation stacks'
-  spec.description   = ''
+  spec.description   = 'Start and stop aws resources in a cloudformation stack'
   spec.authors       = ['Base2Services', 'Nikola Tosic', 'Angus Vine']
+  spec.homepage      = 'https://github.com/base2Services/cfn-start-stop-stack/blob/master/README.md'
   spec.email         = '[email protected]'
-  spec.files         = FileList['lib/**/*.rb', 'bin/*']
+  spec.license       = "MIT"
+
+  # Prevent pushing this gem to RubyGems.org. To allow pushes either set the 'allowed_push_host'
+  # to allow pushing to a single host or delete this section to allow pushing to any host.
+  if spec.respond_to?(:metadata)
+    spec.metadata["allowed_push_host"] = 'https://rubygems.org'
+
+    spec.metadata["homepage_uri"] = spec.homepage
+    spec.metadata["source_code_uri"] = "https://github.com/base2services/aws-client-vpn"
+  else
+    raise "RubyGems 2.0 or newer is required to protect against " \
+      "public gem pushes."
+  end
+
+  # Specify which files should be added to the gem when it is released.
+  # The `git ls-files -z` loads the files in the RubyGem that have been added into git.
+  spec.files         = Dir.chdir(File.expand_path('..', __FILE__)) do
+    `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) }
+  end
+  spec.bindir        = "exe"
+  spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
-  spec.homepage      = 'https://github.com/base2Services/cfn-start-stop-stack/blob/master/README.md'
-  spec.license       = 'MIT'
-  spec.executables << 'cfn_manage'
 
   spec.required_ruby_version = '~> 2.5'