diff options
Diffstat (limited to 'ruby_2_2/lib/rubygems/dependency_installer.rb')
| -rw-r--r-- | ruby_2_2/lib/rubygems/dependency_installer.rb | 480 |
1 files changed, 0 insertions, 480 deletions
diff --git a/ruby_2_2/lib/rubygems/dependency_installer.rb b/ruby_2_2/lib/rubygems/dependency_installer.rb deleted file mode 100644 index 039d046da2..0000000000 --- a/ruby_2_2/lib/rubygems/dependency_installer.rb +++ /dev/null @@ -1,480 +0,0 @@ -require 'rubygems' -require 'rubygems/dependency_list' -require 'rubygems/package' -require 'rubygems/installer' -require 'rubygems/spec_fetcher' -require 'rubygems/user_interaction' -require 'rubygems/source' -require 'rubygems/available_set' - -## -# Installs a gem along with all its dependencies from local and remote gems. - -class Gem::DependencyInstaller - - include Gem::UserInteraction - - DEFAULT_OPTIONS = { # :nodoc: - :env_shebang => false, - :document => %w[ri], - :domain => :both, # HACK dup - :force => false, - :format_executable => false, # HACK dup - :ignore_dependencies => false, - :prerelease => false, - :security_policy => nil, # HACK NoSecurity requires OpenSSL. AlmostNo? Low? - :wrappers => true, - :build_args => nil, - :build_docs_in_background => false, - :install_as_default => false - }.freeze - - ## - # Documentation types. For use by the Gem.done_installing hook - - attr_reader :document - - ## - # Errors from SpecFetcher while searching for remote specifications - - attr_reader :errors - - ## - #-- - # TODO remove, no longer used - - attr_reader :gems_to_install # :nodoc: - - ## - # List of gems installed by #install in alphabetic order - - attr_reader :installed_gems - - ## - # Creates a new installer instance. - # - # Options are: - # :cache_dir:: Alternate repository path to store .gem files in. - # :domain:: :local, :remote, or :both. :local only searches gems in the - # current directory. :remote searches only gems in Gem::sources. - # :both searches both. - # :env_shebang:: See Gem::Installer::new. - # :force:: See Gem::Installer#install. - # :format_executable:: See Gem::Installer#initialize. - # :ignore_dependencies:: Don't install any dependencies. - # :install_dir:: See Gem::Installer#install. - # :prerelease:: Allow prerelease versions. See #install. - # :security_policy:: See Gem::Installer::new and Gem::Security. - # :user_install:: See Gem::Installer.new - # :wrappers:: See Gem::Installer::new - # :build_args:: See Gem::Installer::new - - def initialize options = {} - @only_install_dir = !!options[:install_dir] - @install_dir = options[:install_dir] || Gem.dir - @build_root = options[:build_root] - - options = DEFAULT_OPTIONS.merge options - - @bin_dir = options[:bin_dir] - @dev_shallow = options[:dev_shallow] - @development = options[:development] - @document = options[:document] - @domain = options[:domain] - @env_shebang = options[:env_shebang] - @force = options[:force] - @format_executable = options[:format_executable] - @ignore_dependencies = options[:ignore_dependencies] - @prerelease = options[:prerelease] - @security_policy = options[:security_policy] - @user_install = options[:user_install] - @wrappers = options[:wrappers] - @build_args = options[:build_args] - @build_docs_in_background = options[:build_docs_in_background] - @install_as_default = options[:install_as_default] - - # Indicates that we should not try to update any deps unless - # we absolutely must. - @minimal_deps = options[:minimal_deps] - - @available = nil - @installed_gems = [] - @toplevel_specs = nil - - @cache_dir = options[:cache_dir] || @install_dir - - @errors = [] - end - - ## - #-- - # TODO remove, no longer used - - def add_found_dependencies to_do, dependency_list # :nodoc: - seen = {} - dependencies = Hash.new { |h, name| h[name] = Gem::Dependency.new name } - - until to_do.empty? do - spec = to_do.shift - - # HACK why is spec nil? - next if spec.nil? or seen[spec.name] - seen[spec.name] = true - - deps = spec.runtime_dependencies - - if @development - if @dev_shallow - if @toplevel_specs.include? spec.full_name - deps |= spec.development_dependencies - end - else - deps |= spec.development_dependencies - end - end - - deps.each do |dep| - dependencies[dep.name] = dependencies[dep.name].merge dep - - if @minimal_deps - next if Gem::Specification.any? do |installed_spec| - dep.name == installed_spec.name and - dep.requirement.satisfied_by? installed_spec.version - end - end - - results = find_gems_with_sources(dep) - - results.sorted.each do |t| - to_do.push t.spec - end - - results.remove_installed! dep - - @available << results - results.inject_into_list dependency_list - end - end - - dependency_list.remove_specs_unsatisfied_by dependencies - end - - ## - # Creates an AvailableSet to install from based on +dep_or_name+ and - # +version+ - - def available_set_for dep_or_name, version # :nodoc: - if String === dep_or_name then - find_spec_by_name_and_version dep_or_name, version, @prerelease - else - dep = dep_or_name.dup - dep.prerelease = @prerelease - @available = find_gems_with_sources dep - end - - @available.pick_best! - end - - ## - # Indicated, based on the requested domain, if local - # gems should be considered. - - def consider_local? - @domain == :both or @domain == :local - end - - ## - # Indicated, based on the requested domain, if remote - # gems should be considered. - - def consider_remote? - @domain == :both or @domain == :remote - end - - ## - # Returns a list of pairs of gemspecs and source_uris that match - # Gem::Dependency +dep+ from both local (Dir.pwd) and remote (Gem.sources) - # sources. Gems are sorted with newer gems preferred over older gems, and - # local gems preferred over remote gems. - - def find_gems_with_sources dep, best_only=false # :nodoc: - set = Gem::AvailableSet.new - - if consider_local? - sl = Gem::Source::Local.new - - if spec = sl.find_gem(dep.name) - if dep.matches_spec? spec - set.add spec, sl - end - end - end - - if consider_remote? - begin - # TODO this is pulled from #spec_for_dependency to allow - # us to filter tuples before fetching specs. - # - tuples, errors = Gem::SpecFetcher.fetcher.search_for_dependency dep - - if best_only && !tuples.empty? - tuples.sort! { |a,b| b[0].version <=> a[0].version } - tuples = [tuples.first] - end - - specs = [] - tuples.each do |tup, source| - begin - spec = source.fetch_spec(tup) - rescue Gem::RemoteFetcher::FetchError => e - errors << Gem::SourceFetchProblem.new(source, e) - else - specs << [spec, source] - end - end - - if @errors - @errors += errors - else - @errors = errors - end - - set << specs - - rescue Gem::RemoteFetcher::FetchError => e - # FIX if there is a problem talking to the network, we either need to always tell - # the user (no really_verbose) or fail hard, not silently tell them that we just - # couldn't find their requested gem. - verbose do - "Error fetching remote data:\t\t#{e.message}\n" \ - "Falling back to local-only install" - end - @domain = :local - end - end - - set - end - - ## - # Finds a spec and the source_uri it came from for gem +gem_name+ and - # +version+. Returns an Array of specs and sources required for - # installation of the gem. - - def find_spec_by_name_and_version gem_name, - version = Gem::Requirement.default, - prerelease = false - set = Gem::AvailableSet.new - - if consider_local? - if gem_name =~ /\.gem$/ and File.file? gem_name then - src = Gem::Source::SpecificFile.new(gem_name) - set.add src.spec, src - elsif gem_name =~ /\.gem$/ then - Dir[gem_name].each do |name| - begin - src = Gem::Source::SpecificFile.new name - set.add src.spec, src - rescue Gem::Package::FormatError - end - end - else - local = Gem::Source::Local.new - - if s = local.find_gem(gem_name, version) - set.add s, local - end - end - end - - if set.empty? - dep = Gem::Dependency.new gem_name, version - dep.prerelease = true if prerelease - - set = find_gems_with_sources(dep, true) - set.match_platform! - end - - if set.empty? - raise Gem::SpecificGemNotFoundException.new(gem_name, version, @errors) - end - - @available = set - end - - ## - # Gathers all dependencies necessary for the installation from local and - # remote sources unless the ignore_dependencies was given. - #-- - # TODO remove at RubyGems 3 - - def gather_dependencies # :nodoc: - specs = @available.all_specs - - # these gems were listed by the user, always install them - keep_names = specs.map { |spec| spec.full_name } - - if @dev_shallow - @toplevel_specs = keep_names - end - - dependency_list = Gem::DependencyList.new @development - dependency_list.add(*specs) - to_do = specs.dup - add_found_dependencies to_do, dependency_list unless @ignore_dependencies - - # REFACTOR maybe abstract away using Gem::Specification.include? so - # that this isn't dependent only on the currently installed gems - dependency_list.specs.reject! { |spec| - not keep_names.include?(spec.full_name) and - Gem::Specification.include?(spec) - } - - unless dependency_list.ok? or @ignore_dependencies or @force then - reason = dependency_list.why_not_ok?.map { |k,v| - "#{k} requires #{v.join(", ")}" - }.join("; ") - raise Gem::DependencyError, "Unable to resolve dependencies: #{reason}" - end - - @gems_to_install = dependency_list.dependency_order.reverse - end - - def in_background what # :nodoc: - fork_happened = false - if @build_docs_in_background and Process.respond_to?(:fork) - begin - Process.fork do - yield - end - fork_happened = true - say "#{what} in a background process." - rescue NotImplementedError - end - end - yield unless fork_happened - end - - ## - # Installs the gem +dep_or_name+ and all its dependencies. Returns an Array - # of installed gem specifications. - # - # If the +:prerelease+ option is set and there is a prerelease for - # +dep_or_name+ the prerelease version will be installed. - # - # Unless explicitly specified as a prerelease dependency, prerelease gems - # that +dep_or_name+ depend on will not be installed. - # - # If c-1.a depends on b-1 and a-1.a and there is a gem b-1.a available then - # c-1.a, b-1 and a-1.a will be installed. b-1.a will need to be installed - # separately. - - def install dep_or_name, version = Gem::Requirement.default - request_set = resolve_dependencies dep_or_name, version - - @installed_gems = [] - - options = { - :bin_dir => @bin_dir, - :build_args => @build_args, - :document => @document, - :env_shebang => @env_shebang, - :force => @force, - :format_executable => @format_executable, - :ignore_dependencies => @ignore_dependencies, - :prerelease => @prerelease, - :security_policy => @security_policy, - :user_install => @user_install, - :wrappers => @wrappers, - :build_root => @build_root, - :install_as_default => @install_as_default - } - options[:install_dir] = @install_dir if @only_install_dir - - request_set.install options do |_, installer| - @installed_gems << installer.spec if installer - end - - @installed_gems.sort! - - # Since this is currently only called for docs, we can be lazy and just say - # it's documentation. Ideally the hook adder could decide whether to be in - # the background or not, and what to call it. - in_background "Installing documentation" do - Gem.done_installing_hooks.each do |hook| - hook.call self, @installed_gems - end - end unless Gem.done_installing_hooks.empty? - - @installed_gems - end - - def install_development_deps # :nodoc: - if @development and @dev_shallow then - :shallow - elsif @development then - :all - else - :none - end - end - - def resolve_dependencies dep_or_name, version # :nodoc: - request_set = Gem::RequestSet.new - request_set.development = @development - request_set.development_shallow = @dev_shallow - request_set.soft_missing = @force - request_set.prerelease = @prerelease - request_set.remote = false unless consider_remote? - - installer_set = Gem::Resolver::InstallerSet.new @domain - installer_set.ignore_installed = @only_install_dir - - if consider_local? - if dep_or_name =~ /\.gem$/ and File.file? dep_or_name then - src = Gem::Source::SpecificFile.new dep_or_name - installer_set.add_local dep_or_name, src.spec, src - version = src.spec.version if version == Gem::Requirement.default - elsif dep_or_name =~ /\.gem$/ then - Dir[dep_or_name].each do |name| - begin - src = Gem::Source::SpecificFile.new name - installer_set.add_local dep_or_name, src.spec, src - rescue Gem::Package::FormatError - end - end - # else This is a dependency. InstallerSet handles this case - end - end - - dependency = - if spec = installer_set.local?(dep_or_name) then - Gem::Dependency.new spec.name, version - elsif String === dep_or_name then - Gem::Dependency.new dep_or_name, version - else - dep_or_name - end - - dependency.prerelease = @prerelease - - request_set.import [dependency] - - installer_set.add_always_install dependency - - request_set.always_install = installer_set.always_install - - if @ignore_dependencies then - installer_set.ignore_dependencies = true - request_set.ignore_dependencies = true - request_set.soft_missing = true - end - - request_set.resolve installer_set - - @errors.concat request_set.errors - - request_set - end - -end |