module Hoe::Gemspec2

def define_gemspec2_tasks
  gemspec = spec.name + ".gemspec"
  with_config do |config, _|
    unless ".gemspec".match?(config["exclude"])
      warn "WARNING You should add .gemspec to your .hoerc exclude list"
    end
  end
  file gemspec => %w[clobber Manifest.txt] + spec.files do
    open(gemspec, "w") { |f|
      permitted_classes = [
        Symbol, Time, Date, Gem::Dependency, Gem::Platform, Gem::Requirement,
        Gem::Specification, Gem::Version, Gem::Version::Requirement
      ]
      permitted_symbols = %i[development runtime]
      spec2 = begin
        YAML.safe_load(
          YAML.safe_dump(
            spec,
            :permitted_classes => permitted_classes,
            :permitted_symbols => permitted_symbols,
            :aliases => true
          ),
          :permitted_classes => permitted_classes,
          :permitted_symbols => permitted_symbols,
          :aliases => true
        )
      rescue
        YAML.safe_load(
          YAML.dump(spec), permitted_classes, permitted_symbols, true
        )
      end
      # - Point the first: in service of reproducible builds, the RubyGems team made
      #   a change that breaks hoe releases using this gemspec.
      # - Point the second: the date field is going to be deprecated. We clear it if
      #   the date is settable. This should make this at least partially forwards-
      #   compatible.
      spec2.date = nil if spec2.respond_to?(:date=)
      unless @include_all
        [:signing_key, :cert_chain].each { |name|
          spec2.send(:"#{name}=", spec2.default_value(name))
        }
      end
      f.write(spec2.to_ruby)
    }
  end
  desc "Regenerate #{gemspec} excluding signing keys"
  task :gemspec => gemspec
  namespace :gemspec do
    desc "Regenerate #{gemspec} with all keys"
    task :full do
      @include_all = true
      Rake::Task["gemspec"].invoke
    end
  end
  task :default => gemspec
end