Class: Gem::RequestSet::GemDependencyAPI

# File 'lib/rubygems/request_set/gem_dependency_api.rb', line 173

attr_reader :git_set # :nodoc:

# File 'lib/rubygems/request_set/gem_dependency_api.rb', line 272

def installing= installing # :nodoc:
  @installing = installing
end

# File 'lib/rubygems/request_set/gem_dependency_api.rb', line 178

attr_reader :requires

# File 'lib/rubygems/request_set/gem_dependency_api.rb', line 183

attr_reader :vendor_set # :nodoc:

# File 'lib/rubygems/request_set/gem_dependency_api.rb', line 188

attr_accessor :without_groups # :nodoc:

# File 'lib/rubygems/request_set/gem_dependency_api.rb', line 244

def find_gemspec name, path # :nodoc:
  glob = File.join path, "#{name}.gemspec"

  spec_files = Dir[glob]

  case spec_files.length
  when 1 then
    spec_file = spec_files.first

    spec = Gem::Specification.load spec_file

    return spec if spec

    raise ArgumentError, "invalid gemspec #{spec_file}"
  when 0 then
    raise ArgumentError, "no gemspecs found at #{Dir.pwd}"
  else
    raise ArgumentError,
      "found multiple gemspecs at #{Dir.pwd}, " +
      "use the name: option to specify the one you want"
  end
end

# File 'lib/rubygems/request_set/gem_dependency_api.rb', line 356

def gem name, *requirements
  options = requirements.pop if requirements.last.kind_of?(Hash)
  options ||= {}

  options[:git] = @current_repository if @current_repository

  source_set = false

  source_set ||= gem_path       name, options
  source_set ||= gem_git        name, options
  source_set ||= gem_git_source name, options
  source_set ||= gem_source     name, options

  duplicate = @dependencies.include? name

  @dependencies[name] =
    if requirements.empty? and not source_set then
      Gem::Requirement.default
    elsif source_set then
      Gem::Requirement.source_set
    else
      Gem::Requirement.create requirements
    end

  return unless gem_platforms options

  groups = gem_group name, options

  return unless (groups & @without_groups).empty?

  pin_gem_source name, :default unless source_set

  gem_requires name, options

  if duplicate then
    warn <<-WARNING
Gem dependencies file #{@path} requires #{name} more than once.
    WARNING
  end

  @set.gem name, *requirements
end

# File 'lib/rubygems/request_set/gem_dependency_api.rb', line 611

def gem_deps_file # :nodoc:
  File.basename @path
end

# File 'lib/rubygems/request_set/gem_dependency_api.rb', line 404

def gem_git name, options # :nodoc:
  if gist = options.delete(:gist) then
    options[:git] = "https://gist.github.com/#{gist}.git"
  end

  return unless repository = options.delete(:git)

  pin_gem_source name, :git, repository

  reference = gem_git_reference options

  submodules = options.delete :submodules

  @git_set.add_git_gem name, repository, reference, submodules

  true
end

# File 'lib/rubygems/request_set/gem_dependency_api.rb', line 427

def gem_git_reference options # :nodoc:
  ref    = options.delete :ref
  branch = options.delete :branch
  tag    = options.delete :tag

  reference = nil
  reference ||= ref
  reference ||= branch
  reference ||= tag
  reference ||= 'master'

  if ref && branch
    warn <<-WARNING
Gem dependencies file #{@path} includes git reference for both ref and branch but only ref is used.
    WARNING
  end
  if (ref||branch) && tag
    warn <<-WARNING
Gem dependencies file #{@path} includes git reference for both ref/branch and tag but only ref/branch is used.
    WARNING
  end

  reference
end

# File 'lib/rubygems/request_set/gem_dependency_api.rb', line 460

def gem_git_source name, options # :nodoc:
  return unless git_source = (@git_sources.keys & options.keys).last

  source_callback = @git_sources[git_source]
  source_param = options.delete git_source

  git_url = source_callback.call source_param

  options[:git] = git_url

  gem_git name, options

  true
end

# File 'lib/rubygems/request_set/gem_dependency_api.rb', line 481

def gem_group name, options # :nodoc:
  g = options.delete :group
  all_groups  = g ? Array(g) : []

  groups = options.delete :groups
  all_groups |= groups if groups

  all_groups |= @current_groups if @current_groups

  all_groups
end

# File 'lib/rubygems/request_set/gem_dependency_api.rb', line 500

def gem_path name, options # :nodoc:
  return unless directory = options.delete(:path)

  pin_gem_source name, :path, directory

  @vendor_set.add_vendor_gem name, directory

  true
end

# File 'lib/rubygems/request_set/gem_dependency_api.rb', line 533

def gem_platforms options # :nodoc:
  platform_names = Array(options.delete :platform)
  platform_names.concat Array(options.delete :platforms)
  platform_names.concat @current_platforms if @current_platforms

  return true if platform_names.empty?

  platform_names.any? do |platform_name|
    raise ArgumentError, "unknown platform #{platform_name.inspect}" unless
      platform = PLATFORM_MAP[platform_name]

    next false unless Gem::Platform.match platform

    if engines = ENGINE_MAP[platform_name] then
      next false unless engines.include? Gem.ruby_engine
    end

    case WINDOWS[platform_name]
    when :only then
      next false unless Gem.win_platform?
    when :never then
      next false if Gem.win_platform?
    end

    VERSION_MAP[platform_name].satisfied_by? Gem.ruby_version
  end
end

# File 'lib/rubygems/request_set/gem_dependency_api.rb', line 567

def gem_requires name, options # :nodoc:
  if options.include? :require then
    if requires = options.delete(:require) then
      @requires[name].concat Array requires
    end
  else
    @requires[name] << name
  end
  raise ArgumentError, "Unhandled gem options #{options.inspect}" unless options.empty?
end

# File 'lib/rubygems/request_set/gem_dependency_api.rb', line 517

def gem_source name, options # :nodoc:
  return unless source = options.delete(:source)

  pin_gem_source name, :source, source

  @source_set.add_source_gem name, source

  true
end

# File 'lib/rubygems/request_set/gem_dependency_api.rb', line 637

def gemspec options = {}
  name              = options.delete(:name) || '{,*}'
  path              = options.delete(:path) || '.'
  development_group = options.delete(:development_group) || :development

  spec = find_gemspec name, path

  groups = gem_group spec.name, {}

  self_dep = Gem::Dependency.new spec.name, spec.version

  add_dependencies groups, [self_dep]
  add_dependencies groups, spec.runtime_dependencies

  @dependencies[spec.name] = Gem::Requirement.source_set

  spec.dependencies.each do |dep|
    @dependencies[dep.name] = dep.requirement
  end

  groups << development_group

  add_dependencies groups, spec.development_dependencies

  @vendor_set.add_vendor_gem spec.name, path
  gem_requires spec.name, options
end

# File 'lib/rubygems/request_set/gem_dependency_api.rb', line 590

def git repository
  @current_repository = repository

  yield

ensure
  @current_repository = nil
end

# File 'lib/rubygems/request_set/gem_dependency_api.rb', line 604

def git_source name, &callback
  @git_sources[name] = callback
end

# File 'lib/rubygems/request_set/gem_dependency_api.rb', line 682

def group *groups
  @current_groups = groups

  yield

ensure
  @current_groups = nil
end

# File 'lib/rubygems/request_set/gem_dependency_api.rb', line 279

def load
  instance_eval File.read(@path).untaint, @path, 1

  self
end

# File 'lib/rubygems/request_set/gem_dependency_api.rb', line 695

def pin_gem_source name, type = :default, source = nil
  source_description =
    case type
    when :default then '(default)'
    when :path    then "path: #{source}"
    when :git     then "git: #{source}"
    when :source  then "source: #{source}"
    else               '(unknown)'
    end

  raise ArgumentError,
    "duplicate source #{source_description} for gem #{name}" if
      @gem_sources.fetch(name, source) != source

  @gem_sources[name] = source
end

# File 'lib/rubygems/request_set/gem_dependency_api.rb', line 757

def platform *platforms
  @current_platforms = platforms

  yield

ensure
  @current_platforms = nil
end

# File 'lib/rubygems/request_set/gem_dependency_api.rb', line 772

alias :platforms :platform

# File 'lib/rubygems/request_set/gem_dependency_api.rb', line 784

def ruby version, options = {}
  engine         = options[:engine]
  engine_version = options[:engine_version]

  raise ArgumentError,
        'You must specify engine_version along with the Ruby engine' if
          engine and not engine_version

  return true if @installing

  unless RUBY_VERSION == version then
    message = "Your Ruby version is #{RUBY_VERSION}, " +
              "but your #{gem_deps_file} requires #{version}"

    raise Gem::RubyVersionMismatch, message
  end

  if engine and engine != Gem.ruby_engine then
    message = "Your Ruby engine is #{Gem.ruby_engine}, " +
              "but your #{gem_deps_file} requires #{engine}"

    raise Gem::RubyVersionMismatch, message
  end

  if engine_version then
    my_engine_version = Object.const_get "#{Gem.ruby_engine.upcase}_VERSION"

    if engine_version != my_engine_version then
      message =
        "Your Ruby engine version is #{Gem.ruby_engine} #{my_engine_version}, " +
        "but your #{gem_deps_file} requires #{engine} #{engine_version}"

      raise Gem::RubyVersionMismatch, message
    end
  end

  return true
end

# File 'lib/rubygems/request_set/gem_dependency_api.rb', line 837

def source url
  Gem.sources.clear if @default_sources

  @default_sources = false

  Gem.sources << url
end