new

# File lib/bundler/definition.rb, line 55
    def initialize(lockfile, dependencies, sources, unlock, ruby_version = nil, optional_groups = [], gemfiles = [])
      if [true, false].include?(unlock)
        @unlocking_bundler = false
        @unlocking = unlock
      else
        unlock = unlock.dup
        @unlocking_bundler = unlock.delete(:bundler)
        unlock.delete_if {|_k, v| Array(v).empty? }
        @unlocking = !unlock.empty?
      end

      @dependencies    = dependencies
      @sources         = sources
      @unlock          = unlock
      @optional_groups = optional_groups
      @remote          = false
      @specs           = nil
      @ruby_version    = ruby_version
      @gemfiles        = gemfiles

      @lockfile               = lockfile
      @lockfile_contents      = String.new
      @locked_bundler_version = nil
      @locked_ruby_version    = nil
      @locked_specs_incomplete_for_platform = false

      if lockfile && File.exist?(lockfile)
        @lockfile_contents = Bundler.read_file(lockfile)
        @locked_gems = LockfileParser.new(@lockfile_contents)
        @locked_platforms = @locked_gems.platforms
        @platforms = @locked_platforms.dup
        @locked_bundler_version = @locked_gems.bundler_version
        @locked_ruby_version = @locked_gems.ruby_version

        if unlock != true
          @locked_deps    = @locked_gems.dependencies
          @locked_specs   = SpecSet.new(@locked_gems.specs)
          @locked_sources = @locked_gems.sources
        else
          @unlock         = {}
          @locked_deps    = {}
          @locked_specs   = SpecSet.new([])
          @locked_sources = []
        end
      else
        @unlock         = {}
        @platforms      = []
        @locked_gems    = nil
        @locked_deps    = {}
        @locked_specs   = SpecSet.new([])
        @locked_sources = []
        @locked_platforms = []
      end

      @unlock[:gems] ||= []
      @unlock[:sources] ||= []
      @unlock[:ruby] ||= if @ruby_version && locked_ruby_version_object
        @ruby_version.diff(locked_ruby_version_object)
      end
      @unlocking ||= @unlock[:ruby] ||= (!@locked_ruby_version ^ !@ruby_version)

      add_current_platform unless Bundler.frozen_bundle?

      converge_path_sources_to_gemspec_sources
      @path_changes = converge_paths
      @source_changes = converge_sources

      unless @unlock[:lock_shared_dependencies]
        eager_unlock = expand_dependencies(@unlock[:gems], true)
        @unlock[:gems] = @locked_specs.for(eager_unlock, [], false, false, false).map(&:name)
      end

      @dependency_changes = converge_dependencies
      @local_changes = converge_locals

      @requires = compute_requires
    end