Class: Embork::Builder

Inherits:
Object
  • Object
show all
Includes:
BuildVersions
Defined in:
lib/embork/builder.rb

Constant Summary

Constants included from BuildVersions

Embork::BuildVersions::VERSION_FORMAT_EXP

Instance Method Summary collapse

Methods included from BuildVersions

#sorted_versions, #version_name

Constructor Details

#initialize(borkfile) ⇒ Builder

Returns a new instance of Builder.



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# File 'lib/embork/builder.rb', line 12

def initialize(borkfile)
  @borkfile = borkfile
  @project_root = @borkfile.project_root
end

Instance Method Details

#build ⇒ Object 



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# File 'lib/embork/builder.rb', line 17

def build
  @environment = Embork::Environment.new(@borkfile)
  @sprockets_environment = @environment.sprockets_environment

  @version = Time.now.to_s.gsub(/( -|-| |:)/, '.')

  @sprockets_environment.context_class.use_bundled_assets = true
  @sprockets_environment.context_class.bundle_version = @version

  Dir.chdir @project_root do
    config_path = File.join 'config', Embork.env.to_s
    build_path = File.join 'build', Embork.env.to_s

    asset_list = generate_asset_list config_path

    manifest_path = File.join build_path, 'manifest.json'
    manifest = Sprockets::Manifest.new(@sprockets_environment, manifest_path)
    manifest.compile(asset_list)

    # version assets
    asset_list.each do |asset|
      digested_name = manifest.assets[asset]
      gzipped_name = "%s%s" % [ digested_name, '.gz' ]
      versioned_name = generate_versioned_name(asset)

      # Do the actual renaming and removing of the gzipped file.
      # nginx handles gzipping just fine
      Dir.chdir build_path do
        File.rename digested_name, versioned_name
        FileUtils.rm gzipped_name
      end
    end

    # Link the index file since, chances are, you don't want to reconfigure
    # your index file every time you deploy.
    Dir.chdir build_path do
      @borkfile.html.each do |file|
        dirname = File.dirname file
        extname = File.extname file
        basename = File.basename file, extname
        src_format = [ File.join(dirname, basename), @version, extname ]
        FileUtils.ln_sf(("%s-%s%s" % src_format), file)
      end
    end if @borkfile.backend == :static_index

    static_path = 'static'
    static_pathname = Pathname.new static_path
    static_directories = []
    static_files = []
    Find.find(static_path) do |file|
      relative_name = Pathname.new(file).relative_path_from(static_pathname)
      if FileTest.directory? file
        static_directories.push relative_name
      else
        static_files.push relative_name
      end
    end

    static_directories.each do |dir|
      Dir.chdir(build_path) { FileUtils.mkdir_p dir }
    end

    static_files.each do |file|
      src = File.join static_path, file
      dest = File.join build_path, file

      FileUtils.cp src, dest
    end

    # Write the current version
    Dir.chdir build_path do
      File.open('current-version', 'w') { |f| f.puts @version }
    end

    # Clean up
    FileUtils.rm manifest_path
  end

  @version
end

#clean ⇒ Object 



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# File 'lib/embork/builder.rb', line 98

def clean
  versions = sorted_versions @project_root

  # If there are more than our threshold
  if versions.length > @borkfile.keep_old_versions

    # Grab the versions to keep
    retained_versions = versions[0...@borkfile.keep_old_versions]
    build_path = File.join(@project_root, 'build', Embork.env.to_s)

    Find.find(build_path) do |file|
      name = File.basename(file)

      # Skip if this is an unversioned file
      next unless version_name(file)

      # If any version strings that we should retain are in the file name,
      # skip to next. Otherwise, obliterate.
      if retained_versions.any?{ |version| name.include?(version) }
        next
      else
        Dir.chdir(build_path){ FileUtils.rm file }
      end
    end
  end

end

#clean! ⇒ Object 



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# File 'lib/embork/builder.rb', line 126

def clean!
  FileUtils.rm_rf File.join(@project_root, 'build', Embork.env.to_s)
end