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File Content: `lockfile_parser.rb`

# frozen_string_literal: true

#--
# Some versions of the Bundler 1.1 RC series introduced corrupted
# lockfiles. There were two major problems:
#
# * multiple copies of the same GIT section appeared in the lockfile
# * when this happened, those sections got multiple copies of gems
#   in those sections.
#
# As a result, Bundler 1.1 contains code that fixes the earlier
# corruption. We will remove this fix-up code in Bundler 1.2.

module Bundler
  class LockfileParser
    attr_reader :sources, :dependencies, :specs, :platforms, :bundler_version, :ruby_version

    BUNDLED      = "BUNDLED WITH".freeze
    DEPENDENCIES = "DEPENDENCIES".freeze
    PLATFORMS    = "PLATFORMS".freeze
    RUBY         = "RUBY VERSION".freeze
    GIT          = "GIT".freeze
    GEM          = "GEM".freeze
    PATH         = "PATH".freeze
    PLUGIN       = "PLUGIN SOURCE".freeze
    SPECS        = "  specs:".freeze
    OPTIONS      = /^  ([a-z]+): (.*)$/i.freeze
    SOURCE       = [GIT, GEM, PATH, PLUGIN].freeze

    SECTIONS_BY_VERSION_INTRODUCED = {
      Gem::Version.create("1.0") => [DEPENDENCIES, PLATFORMS, GIT, GEM, PATH].freeze,
      Gem::Version.create("1.10") => [BUNDLED].freeze,
      Gem::Version.create("1.12") => [RUBY].freeze,
      Gem::Version.create("1.13") => [PLUGIN].freeze,
    }.freeze

    KNOWN_SECTIONS = SECTIONS_BY_VERSION_INTRODUCED.values.flatten.freeze

    ENVIRONMENT_VERSION_SECTIONS = [BUNDLED, RUBY].freeze

    def self.sections_in_lockfile(lockfile_contents)
      lockfile_contents.scan(/^\w[\w ]*$/).uniq
    end

    def self.unknown_sections_in_lockfile(lockfile_contents)
      sections_in_lockfile(lockfile_contents) - KNOWN_SECTIONS
    end

    def self.sections_to_ignore(base_version = nil)
      base_version &&= base_version.release
      base_version ||= Gem::Version.create("1.0".dup)
      attributes = []
      SECTIONS_BY_VERSION_INTRODUCED.each do |version, introduced|
        next if version <= base_version
        attributes += introduced
      end
      attributes
    end

    def initialize(lockfile)
      @platforms    = []
      @sources      = []
      @dependencies = {}
      @state        = nil
      @specs        = {}

      @rubygems_aggregate = Source::Rubygems.new

      if lockfile.match(/<<<<<<<|=======|>>>>>>>|\|\|\|\|\|\|\|/)
        raise LockfileError, "Your #{Bundler.default_lockfile.relative_path_from(SharedHelpers.pwd)} contains merge conflicts.\n" \
          "Run `git checkout HEAD -- #{Bundler.default_lockfile.relative_path_from(SharedHelpers.pwd)}` first to get a clean lock."
      end

      lockfile.split(/(?:\r?\n)+/).each do |line|
        if SOURCE.include?(line)
          @state = :source
          parse_source(line)
        elsif line == DEPENDENCIES
          @state = :dependency
        elsif line == PLATFORMS
          @state = :platform
        elsif line == RUBY
          @state = :ruby
        elsif line == BUNDLED
          @state = :bundled_with
        elsif line =~ /^[^\s]/
          @state = nil
        elsif @state
          send("parse_#{@state}", line)
        end
      end
      @sources << @rubygems_aggregate unless Bundler.feature_flag.disable_multisource?
      @specs = @specs.values.sort_by(&:identifier)
      warn_for_outdated_bundler_version
    rescue ArgumentError => e
      Bundler.ui.debug(e)
      raise LockfileError, "Your lockfile is unreadable. Run `rm #{Bundler.default_lockfile.relative_path_from(SharedHelpers.pwd)}` " \
        "and then `bundle install` to generate a new lockfile."
    end

    def warn_for_outdated_bundler_version
      return unless bundler_version
      prerelease_text = bundler_version.prerelease? ? " --pre" : ""
      current_version = Gem::Version.create(Bundler::VERSION)
      return unless current_version < bundler_version
      Bundler.ui.warn "Warning: the running version of Bundler (#{current_version}) is older " \
           "than the version that created the lockfile (#{bundler_version}). We suggest you to " \
           "upgrade to the version that created the lockfile by running `gem install " \
           "bundler:#{bundler_version}#{prerelease_text}`.\n"
    end

  private

    TYPES = {
      GIT    => Bundler::Source::Git,
      GEM    => Bundler::Source::Rubygems,
      PATH   => Bundler::Source::Path,
      PLUGIN => Bundler::Plugin,
    }.freeze

    def parse_source(line)
      case line
      when SPECS
        case @type
        when PATH
          @current_source = TYPES[@type].from_lock(@opts)
          @sources << @current_source
        when GIT
          @current_source = TYPES[@type].from_lock(@opts)
          # Strip out duplicate GIT sections
          if @sources.include?(@current_source)
            @current_source = @sources.find {|s| s == @current_source }
          else
            @sources << @current_source
          end
        when GEM
          if Bundler.feature_flag.disable_multisource?
            @opts["remotes"] = @opts.delete("remote")
            @current_source = TYPES[@type].from_lock(@opts)
            @sources << @current_source
          else
            Array(@opts["remote"]).each do |url|
              @rubygems_aggregate.add_remote(url)
            end
            @current_source = @rubygems_aggregate
          end
        when PLUGIN
          @current_source = Plugin.source_from_lock(@opts)
          @sources << @current_source
        end
      when OPTIONS
        value = $2
        value = true if value == "true"
        value = false if value == "false"

        key = $1

        if @opts[key]
          @opts[key] = Array(@opts[key])
          @opts[key] << value
        else
          @opts[key] = value
        end
      when *SOURCE
        @current_source = nil
        @opts = {}
        @type = line
      else
        parse_spec(line)
      end
    end

    space = / /
    NAME_VERSION = /
      ^(#{space}{2}|#{space}{4}|#{space}{6})(?!#{space}) # Exactly 2, 4, or 6 spaces at the start of the line
      (.*?)                                              # Name
      (?:#{space}\(([^-]*)                               # Space, followed by version
      (?:-(.*))?\))?                                     # Optional platform
      (!)?                                               # Optional pinned marker
      $                                                  # Line end
    /xo.freeze

    def parse_dependency(line)
      return unless line =~ NAME_VERSION
      spaces = $1
      return unless spaces.size == 2
      name = $2
      version = $3
      pinned = $5

      version = version.split(",").map(&:strip) if version

      dep = Bundler::Dependency.new(name, version)

      if pinned && dep.name != "bundler"
        spec = @specs.find {|_, v| v.name == dep.name }
        dep.source = spec.last.source if spec

        # Path sources need to know what the default name / version
        # to use in the case that there are no gemspecs present. A fake
        # gemspec is created based on the version set on the dependency
        # TODO: Use the version from the spec instead of from the dependency
        if version && version.size == 1 && version.first =~ /^\s*= (.+)\s*$/ && dep.source.is_a?(Bundler::Source::Path)
          dep.source.name    = name
          dep.source.version = $1
        end
      end

      @dependencies[dep.name] = dep
    end

    def parse_spec(line)
      return unless line =~ NAME_VERSION
      spaces = $1
      name = $2
      version = $3
      platform = $4

      if spaces.size == 4
        version = Gem::Version.new(version)
        platform = platform ? Gem::Platform.new(platform) : Gem::Platform::RUBY
        @current_spec = LazySpecification.new(name, version, platform)
        @current_spec.source = @current_source

        # Avoid introducing multiple copies of the same spec (caused by
        # duplicate GIT sections)
        @specs[@current_spec.identifier] ||= @current_spec
      elsif spaces.size == 6
        version = version.split(",").map(&:strip) if version
        dep = Gem::Dependency.new(name, version)
        @current_spec.dependencies << dep
      end
    end

    def parse_platform(line)
      @platforms << Gem::Platform.new($1) if line =~ /^  (.*)$/
    end

    def parse_bundled_with(line)
      line = line.strip
      return unless Gem::Version.correct?(line)
      @bundler_version = Gem::Version.create(line)
    end

    def parse_ruby(line)
      @ruby_version = line.strip
    end
  end
end

Name	Size	Permission
cli	---	0755
compact_index_client	---	0755
fetcher	---	0755
installer	---	0755
plugin	---	0755
resolver	---	0755
settings	---	0755
source	---	0755
templates	---	0755
ui	---	0755
vendor	---	0755
build_metadata.rb	1604 bytes	0644
capistrano.rb	883 bytes	0644
cli.rb	37300 bytes	0644
compact_index_client.rb	3671 bytes	0644
constants.rb	212 bytes	0644
current_ruby.rb	2173 bytes	0644
definition.rb	37605 bytes	0644
dep_proxy.rb	827 bytes	0644
dependency.rb	4955 bytes	0644
deployment.rb	3269 bytes	0644
deprecate.rb	876 bytes	0644
dsl.rb	20918 bytes	0644
endpoint_specification.rb	4002 bytes	0644
env.rb	5126 bytes	0644
environment_preserver.rb	1310 bytes	0644
errors.rb	4700 bytes	0644
feature_flag.rb	2507 bytes	0644
fetcher.rb	11368 bytes	0644
friendly_errors.rb	4466 bytes	0644
gem_helper.rb	6375 bytes	0644
gem_helpers.rb	3269 bytes	0644
gem_remote_fetcher.rb	1494 bytes	0644
gem_tasks.rb	138 bytes	0644
gem_version_promoter.rb	6664 bytes	0644
gemdeps.rb	423 bytes	0644
graph.rb	5112 bytes	0644
index.rb	5368 bytes	0644
injector.rb	8973 bytes	0644
inline.rb	2829 bytes	0644
installer.rb	11874 bytes	0644
lazy_specification.rb	3693 bytes	0644
lockfile_generator.rb	2231 bytes	0644
lockfile_parser.rb	8469 bytes	0644
match_platform.rb	660 bytes	0644
mirror.rb	5956 bytes	0644
plugin.rb	9852 bytes	0644
process_lock.rb	702 bytes	0644
psyched_yaml.rb	854 bytes	0644
remote_specification.rb	3525 bytes	0644
resolver.rb	16422 bytes	0644
retry.rb	1650 bytes	0644
ruby_dsl.rb	761 bytes	0644
ruby_version.rb	4554 bytes	0644
rubygems_ext.rb	4244 bytes	0644
rubygems_gem_installer.rb	3574 bytes	0644
rubygems_integration.rb	18476 bytes	0644
runtime.rb	10930 bytes	0644
settings.rb	11668 bytes	0644
setup.rb	802 bytes	0644
shared_helpers.rb	11535 bytes	0644
similarity_detector.rb	1882 bytes	0644
source.rb	2814 bytes	0644
source_list.rb	5649 bytes	0644
spec_set.rb	5402 bytes	0644
stub_specification.rb	2328 bytes	0644
ui.rb	255 bytes	0644
uri_credentials_filter.rb	1266 bytes	0644
vendored_fileutils.rb	101 bytes	0644
vendored_molinillo.rb	101 bytes	0644
vendored_persistent.rb	1707 bytes	0644
vendored_thor.rb	180 bytes	0644
vendored_uri.rb	89 bytes	0644
version.rb	179 bytes	0644
version_ranges.rb	3888 bytes	0644
vlad.rb	468 bytes	0644
worker.rb	2651 bytes	0644
yaml_serializer.rb	2412 bytes	0644

File Content: lockfile_parser.rb

File Content: `lockfile_parser.rb`