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 9

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 13

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
      # We don't use the block syntax as we want it to persist until the OS cleans it on reboot
      # or whatever, it needs to persist outside this scope.
      dir = Dir.mktmpdir

      Dir.chdir(dir) do
        gem_names = @refs
        gemfile = File.new("Gemfile", "w")
        gemfile.write "source 'https://rubygems.org'"

        gem_names.each do |plugin|
          gemfile.write "\ngem '#{plugin}'"
        end

        gemfile.close
        `bundle install --path vendor/gems`

        # the paths are relative to our current Chdir
        relative_paths = gem_names.flat_map { |plugin| Dir.glob("vendor/gems/ruby/*/gems/#{plugin}*/lib/**/**/**/**.rb") }
        relative_paths.map { |path| File.join(dir, path) }
      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