Patch Travis CI CodeDeploy support to correctly register revisions

deploy_codedeploy.rb

# Modified Travis-CI deployment tool (dpl) provider for AWS CodeDeploy
# that does also correctly register the revision
require 'dpl/cli'
require 'dpl/provider'
require 'dpl/provider/code_deploy'

require 'time'

module DPL
  class Provider
    class CodeDeployWithRegister < DPL::Provider::CodeDeploy
      experimental 'AWS Code Deploy With Register'

      def revision_version_info
          s3api = ::Aws::S3::Client.new(code_deploy_options) # region, credentials same for all services
          s3obj = s3api.get_object({
              bucket: option(:bucket),
              key: s3_key,
              range: "bytes=0-1"
            })
      end

      def s3_revision
        s3info = revision_version_info
        {
          revision_type: 'S3',
          s3_location: {
            bucket:      option(:bucket),
            bundle_type: bundle_type,
            key:         s3_key,
            version:     s3info[:version_id],
            e_tag:       s3info[:etag]
          }
        }
      end

      def push_app
        rev = revision()
        if rev[:s3_location]
            revInfo = rev[:s3_location]
            log "Registering app revision with version=#{revInfo[:version]}, etag=#{revInfo[:e_tag]}"
        end
        code_deploy.register_application_revision({
          revision:               rev,
          application_name:       options[:application]      || option(:application_name),
          description:            options[:description]      || default_description
        })
        super
      end

    end
  end
end

# EXPECTED ARGUMENTS:
# --bucket=..,
# key, application, deployment_group,
# optionally --region etc
args = [
    "--provider=codedeploywithregister"].concat(ARGV)
DPL::CLI.run(args)

# To test this from the command line:
# ruby --bucket=my-bucket --key=myapp.zip --application=my-cd-app --deployment_group=my-cd-group-staging \
#  --region=eu-west-1 --skip_cleanup