Class: Danger::PluginFileResolver

Inherits:
Object
  • Object
show all
Defined in:
lib/danger/plugin_support/plugin_file_resolver.rb

Instance Method Summary collapse

Constructor Details

#initialize(references) ⇒ PluginFileResolver

Takes an array of files, gems or nothing, then resolves them into paths that should be sent into the documentation parser



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# File 'lib/danger/plugin_support/plugin_file_resolver.rb', line 8

def initialize(references)
  @refs = references
end

Instance Method Details

#resolve_to_paths ⇒ Object 



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# File 'lib/danger/plugin_support/plugin_file_resolver.rb', line 12

def resolve_to_paths
  # When given existing paths, map to absolute & existing paths
  if !@refs.nil? and @refs.select { |ref| File.file? ref }.any?
    @refs.select { |ref| File.file? ref }.map { |path| File.expand_path(path) }

  # When given a list of gems
  elsif @refs and @refs.kind_of? Array
    Bundler.with_clean_env do
      Dir.mktmpdir do |dir|
        gem_names = @refs
        deps = gem_names.map { |name| Bundler::Dependency.new(name, ">= 0") }

        # Use Gems from rubygems.org
        source = Bundler::SourceList.new
        source.add_rubygems_remote("https://rubygems.org")

        # Create a definition to bundle, make sure it always updates
        # and uses the latest version from the server
        bundler = Bundler::Definition.new(nil, deps, source, true)
        bundler.resolve_remotely!

        # Install the gems into a tmp dir
        options = { path: dir }
        Bundler::Installer.install(Pathname.new(dir), bundler, options)

        # Get the name'd gems out of bundler, then pull out all their paths
        gems = gem_names.flat_map { |name| bundler.specs[name] }
        gems.flat_map { |gem| Dir.glob(File.join(gem.gem_dir, "lib/**/**/**.rb")) }
      end
    end
  # When empty, imply you want to test the current lib folder as a plugin
  else
    Dir.glob(File.join(".", "lib/*.rb")).map { |path| File.expand_path(path) }
  end
end