generate_manifest.rb

def setup
  app_name = ENV['OPENSHIFT_BUILD_NAME'].split('-')[0..-3].join('-') || ENV['APP_NAME']
  raise 'Missing ENV variable APP_NAME' unless app_name

  @product_component = "#{app_name}:api"

  # Prefix defined at https://pp.engineering.redhat.com/pp/
  @prefix = case app_name
            when /catalog/, /approval/ then 'services-automation-services-catalog'
            when /sources/             then 'services-sources'
            when /topological/         then 'services-topoinv'
            else
              raise "Prefix not defined for APP_NAME: [#{app_name}]"
            end
end

def dockerfile
  dockerfile = File.join(Dir.pwd, 'Dockerfile')
  if File.exist?(dockerfile)
    File.read(dockerfile) =~ /FROM (.*)/
    puts File.join(@prefix, @product_component, "Dockerfile-FROM-#{$1}")
  end
end

def ruby_rpm_build_info
  puts File.join(@prefix, @product_component, %x<rpm -qa --qf='%{sourcerpm}\n' | sort -u | sed 's/\.src\.rpm$//' | grep ruby>)
end

def ruby_gems
  require 'bundler'
  bundle = Bundler::LockfileParser.new(Bundler.read_file(Bundler.default_lockfile))
  bundle.specs.map { |spec| puts File.join(@prefix, @product_component, "rubygem-#{spec.name}:#{spec.version}") }
end

setup
dockerfile
ruby_rpm_build_info
ruby_gems