### Home Classes Methods

### In Files

- lib/bundler/definition.rb

### Parent

Object

### Methods

- ::build
- ::new
- #add_current_platform
- #add_platform
- #current_dependencies
- #ensure_equivalent_gemfile_and_lockfile
- #find_indexed_specs
- #find_resolved_spec
- #gem_version_promoter
- #groups
- #has_local_dependencies?
- #has_rubygems_remotes?
- #index
- #lock
- #locked_bundler_version
- #locked_ruby_version
- #locked_ruby_version_object
- #missing_specs
- #missing_specs?
- #new_platform?
- #new_specs
- #nothing_changed?
- #remove_platform
- #removed_specs
- #requested_specs
- #resolve
- #resolve_remotely!
- #resolve_with_cache!
- #spec_git_paths
- #specs
- #specs_for
- #to_lock
- #unlocking?
- #validate_platforms!
- #validate_ruby!
- #validate_runtime!

### Included Modules

- Bundler::GemHelpers

### Class/Module Index

Quicksearch

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No matching classes.

# Bundler::Definition

### Attributes

dependencies[R]
gemfiles[R]
locked_deps[R]
locked_gems[R]
lockfile[R]
platforms[R]
requires[R]
ruby_version[R]

### Public Class Methods

build(gemfile, lockfile, unlock) click to toggle source

Given a gemfile and lockfile creates a Bundler definition

@param gemfile [Pathname] Path to Gemfile @param lockfile [Pathname,nil] Path to Gemfile.lock @param unlock [Hash, Boolean, nil] Gems that have been requested

    to be updated or true if all gems should be updated

@return [Bundler::Definition]

    # File lib/bundler/definition.rb, line 28
    def self.build(gemfile, lockfile, unlock)
      unlock ||= {}
      gemfile = Pathname.new(gemfile).expand_path

      raise GemfileNotFound, "#{gemfile} not found" unless gemfile.file?

      Dsl.evaluate(gemfile, lockfile, unlock)
    end

new(lockfile, dependencies, sources, unlock, ruby_version = nil, optional_groups = [], gemfiles = []) click to toggle source

How does the new system work?

- Load information from Gemfile and Lockfile

- Invalidate stale locked specs

- All specs from stale source are stale

- All specs that are reachable only through a stale dependency are stale.

- If all fresh dependencies are satisfied by the locked

    specs, then we can try to resolve locally.

@param lockfile [Pathname] Path to Gemfile.lock @param dependencies [Array(Bundler::Dependency)] array of dependencies from Gemfile @param sources [Bundler::SourceList] @param unlock [Hash, Boolean, nil] Gems that have been requested

    to be updated or true if all gems should be updated

@param ruby_version [Bundler::RubyVersion, nil] Requested Ruby Version @param optional_groups [Array(String)] A list of optional groups

    # 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

### Public Instance Methods

add_current_platform() click to toggle source

    # File lib/bundler/definition.rb, line 521
    def add_current_platform
      current_platform = Bundler.local_platform
      add_platform(current_platform) if Bundler.feature_flag.specific_platform?
      add_platform(generic(current_platform))
    end

add_platform(platform) click to toggle source

    # File lib/bundler/definition.rb, line 511
    def add_platform(platform)
      @new_platform ||= !@platforms.include?(platform)
      @platforms |= [platform]
    end

current_dependencies() click to toggle source

    # File lib/bundler/definition.rb, line 230
    def current_dependencies
      dependencies.select(&:should_include?)
    end

ensure_equivalent_gemfile_and_lockfile(explicit_flag = false) click to toggle source

    # File lib/bundler/definition.rb, line 392
    def ensure_equivalent_gemfile_and_lockfile(explicit_flag = false)
      msg = String.new
      msg << "You are trying to install in deployment mode after changing\n"               "your Gemfile. Run `bundle install` elsewhere and add the\n"               "updated #{Bundler.default_lockfile.relative_path_from(SharedHelpers.pwd)} to version control."

      unless explicit_flag
        suggested_command = if Bundler.settings.locations("frozen")[:global]
          "bundle config --delete frozen"
        elsif Bundler.settings.locations("deployment").keys.&([:global, :local]).any?
          "bundle config --delete deployment"
        else
          "bundle install --no-deployment"
        end
        msg << "\n\nIf this is a development machine, remove the #{Bundler.default_gemfile} "                 "freeze \nby running `#{suggested_command}`."
      end

      added =   []
      deleted = []
      changed = []

      new_platforms = @platforms - @locked_platforms
      deleted_platforms = @locked_platforms - @platforms
      added.concat new_platforms.map {|p| "* platform: #{p}" }
      deleted.concat deleted_platforms.map {|p| "* platform: #{p}" }

      gemfile_sources = sources.lock_sources

      new_sources = gemfile_sources - @locked_sources
      deleted_sources = @locked_sources - gemfile_sources

      new_deps = @dependencies - @locked_deps.values
      deleted_deps = @locked_deps.values - @dependencies

      # Check if it is possible that the source is only changed thing
      if (new_deps.empty? && deleted_deps.empty?) && (!new_sources.empty? && !deleted_sources.empty?)
        new_sources.reject! {|source| (source.path? && source.path.exist?) || equivalent_rubygems_remotes?(source) }
        deleted_sources.reject! {|source| (source.path? && source.path.exist?) || equivalent_rubygems_remotes?(source) }
      end

      if @locked_sources != gemfile_sources
        if new_sources.any?
          added.concat new_sources.map {|source| "* source: #{source}" }
        end

        if deleted_sources.any?
          deleted.concat deleted_sources.map {|source| "* source: #{source}" }
        end
      end

      added.concat new_deps.map {|d| "* #{pretty_dep(d)}" } if new_deps.any?
      if deleted_deps.any?
        deleted.concat deleted_deps.map {|d| "* #{pretty_dep(d)}" }
      end

      both_sources = Hash.new {|h, k| h[k] = [] }
      @dependencies.each {|d| both_sources[d.name][0] = d }
      @locked_deps.each  {|name, d| both_sources[name][1] = d.source }

      both_sources.each do |name, (dep, lock_source)|
        next unless (dep.nil? && !lock_source.nil?) || (!dep.nil? && !lock_source.nil? && !lock_source.can_lock?(dep))
        gemfile_source_name = (dep && dep.source) || "no specified source"
        lockfile_source_name = lock_source || "no specified source"
        changed << "* #{name} from `#{gemfile_source_name}` to `#{lockfile_source_name}`"
      end

      reason = change_reason
      msg << "\n\n#{reason.split(", ").map(&:capitalize).join("\n")}" unless reason.strip.empty?
      msg << "\n\nYou have added to the Gemfile:\n" << added.join("\n") if added.any?
      msg << "\n\nYou have deleted from the Gemfile:\n" << deleted.join("\n") if deleted.any?
      msg << "\n\nYou have changed in the Gemfile:\n" << changed.join("\n") if changed.any?
      msg << "\n"

      raise ProductionError, msg if added.any? || deleted.any? || changed.any? || !nothing_changed?
    end

find_indexed_specs(current_spec) click to toggle source

    # File lib/bundler/definition.rb, line 531
    def find_indexed_specs(current_spec)
      index[current_spec.name].select {|spec| spec.match_platform(current_spec.platform) }.sort_by(&:version)
    end

find_resolved_spec(current_spec) click to toggle source

    # File lib/bundler/definition.rb, line 527
    def find_resolved_spec(current_spec)
      specs.find_by_name_and_platform(current_spec.name, current_spec.platform)
    end

gem_version_promoter() click to toggle source

    # File lib/bundler/definition.rb, line 133
    def gem_version_promoter
      @gem_version_promoter ||= begin
        locked_specs =
          if unlocking? && @locked_specs.empty? && !@lockfile_contents.empty?
            # Definition uses an empty set of locked_specs to indicate all gems
            # are unlocked, but GemVersionPromoter needs the locked_specs
            # for conservative comparison.
            Bundler::SpecSet.new(@locked_gems.specs)
          else
            @locked_specs
          end
        GemVersionPromoter.new(locked_specs, @unlock[:gems])
      end
    end

groups() click to toggle source

    # File lib/bundler/definition.rb, line 323
    def groups
      dependencies.map(&:groups).flatten.uniq
    end

has_local_dependencies?() click to toggle source

    # File lib/bundler/definition.rb, line 315
    def has_local_dependencies?
      !sources.path_sources.empty? || !sources.git_sources.empty?
    end

has_rubygems_remotes?() click to toggle source

    # File lib/bundler/definition.rb, line 311
    def has_rubygems_remotes?
      sources.rubygems_sources.any? {|s| s.remotes.any? }
    end

index() click to toggle source

    # File lib/bundler/definition.rb, line 267
    def index
      @index ||= Index.build do |idx|
        dependency_names = @dependencies.map(&:name)

        sources.all_sources.each do |source|
          source.dependency_names = dependency_names - pinned_spec_names(source)
          idx.add_source source.specs
          dependency_names.concat(source.unmet_deps).uniq!
        end

        double_check_for_index(idx, dependency_names)
      end
    end

lock(file, preserve_unknown_sections = false) click to toggle source

    # File lib/bundler/definition.rb, line 327
    def lock(file, preserve_unknown_sections = false)
      contents = to_lock

      # Convert to \r\n if the existing lock has them
      # i.e., Windows with `git config core.autocrlf=true`
      contents.gsub!(/\n/, "\r\n") if @lockfile_contents.match("\r\n")

      if @locked_bundler_version
        locked_major = @locked_bundler_version.segments.first
        current_major = Gem::Version.create(Bundler::VERSION).segments.first

        if updating_major = locked_major < current_major
          Bundler.ui.warn "Warning: the lockfile is being updated to Bundler #{current_major}, "                            "after which you will be unable to return to Bundler #{@locked_bundler_version.segments.first}."
        end
      end

      preserve_unknown_sections ||= !updating_major && (Bundler.frozen_bundle? || !(unlocking? || @unlocking_bundler))

      return if file && File.exist?(file) && lockfiles_equal?(@lockfile_contents, contents, preserve_unknown_sections)

      if Bundler.frozen_bundle?
        Bundler.ui.error "Cannot write a changed lockfile while frozen."
        return
      end

      SharedHelpers.filesystem_access(file) do |p|
        File.open(p, "wb") {|f| f.puts(contents) }
      end
    end

locked_bundler_version() click to toggle source

    # File lib/bundler/definition.rb, line 358
    def locked_bundler_version
      if @locked_bundler_version && @locked_bundler_version < Gem::Version.new(Bundler::VERSION)
        new_version = Bundler::VERSION
      end

      new_version || @locked_bundler_version || Bundler::VERSION
    end

locked_ruby_version() click to toggle source

    # File lib/bundler/definition.rb, line 366
    def locked_ruby_version
      return unless ruby_version
      if @unlock[:ruby] || !@locked_ruby_version
        Bundler::RubyVersion.system
      else
        @locked_ruby_version
      end
    end

locked_ruby_version_object() click to toggle source

    # File lib/bundler/definition.rb, line 375
    def locked_ruby_version_object
      return unless @locked_ruby_version
      @locked_ruby_version_object ||= begin
        unless version = RubyVersion.from_string(@locked_ruby_version)
          raise LockfileError, "The Ruby version #{@locked_ruby_version} from "              "#{@lockfile} could not be parsed. "              "Try running bundle update --ruby to resolve this."
        end
        version
      end
    end

missing_specs() click to toggle source

    # File lib/bundler/definition.rb, line 201
    def missing_specs
      missing = []
      resolve.materialize(requested_dependencies, missing)
      missing
    end

missing_specs?() click to toggle source

    # File lib/bundler/definition.rb, line 207
    def missing_specs?
      missing = missing_specs
      return false if missing.empty?
      Bundler.ui.debug "The definition is missing #{missing.map(&:full_name)}"
      true
    rescue BundlerError => e
      @index = nil
      @resolve = nil
      @specs = nil
      @gem_version_promoter = nil

      Bundler.ui.debug "The definition is missing dependencies, failed to resolve & materialize locally (#{e})"
      true
    end

new_platform?() click to toggle source

    # File lib/bundler/definition.rb, line 197
    def new_platform?
      @new_platform
    end

new_specs() click to toggle source

    # File lib/bundler/definition.rb, line 189
    def new_specs
      specs - @locked_specs
    end

nothing_changed?() click to toggle source

    # File lib/bundler/definition.rb, line 538
    def nothing_changed?
      !@source_changes && !@dependency_changes && !@new_platform && !@path_changes && !@local_changes && !@locked_specs_incomplete_for_platform
    end

remove_platform(platform) click to toggle source

    # File lib/bundler/definition.rb, line 516
    def remove_platform(platform)
      return if @platforms.delete(Gem::Platform.new(platform))
      raise InvalidOption, "Unable to remove the platform `#{platform}` since the only platforms are #{@platforms.join ", "}"
    end

removed_specs() click to toggle source

    # File lib/bundler/definition.rb, line 193
    def removed_specs
      @locked_specs - specs
    end

requested_specs() click to toggle source

    # File lib/bundler/definition.rb, line 222
    def requested_specs
      @requested_specs ||= begin
        groups = requested_groups
        groups.map!(&:to_sym)
        specs_for(groups)
      end
    end

resolve() click to toggle source

Resolve all the dependencies specified in Gemfile. It ensures that dependencies that have been already resolved via locked file and are fresh are reused when resolving dependencies

@return [SpecSet] resolved dependencies

    # File lib/bundler/definition.rb, line 245
    def resolve
      @resolve ||= begin
        last_resolve = converge_locked_specs
        resolve =
          if Bundler.frozen_bundle?
            Bundler.ui.debug "Frozen, using resolution from the lockfile"
            last_resolve
          elsif !unlocking? && nothing_changed?
            Bundler.ui.debug("Found no changes, using resolution from the lockfile")
            last_resolve
          else
            # Run a resolve against the locally available gems
            Bundler.ui.debug("Found changes from the lockfile, re-resolving dependencies because #{change_reason}")
            last_resolve.merge Resolver.resolve(expanded_dependencies, index, source_requirements, last_resolve, gem_version_promoter, additional_base_requirements_for_resolve, platforms)
          end

        # filter out gems that _can_ be installed on multiple platforms, but don't need
        # to be
        resolve.for(expand_dependencies(dependencies, true), [], false, false, false)
      end
    end

resolve_remotely!() click to toggle source

    # File lib/bundler/definition.rb, line 154
    def resolve_remotely!
      raise "Specs already loaded" if @specs
      @remote = true
      sources.remote!
      specs
    end

resolve_with_cache!() click to toggle source

    # File lib/bundler/definition.rb, line 148
    def resolve_with_cache!
      raise "Specs already loaded" if @specs
      sources.cached!
      specs
    end

spec_git_paths() click to toggle source

    # File lib/bundler/definition.rb, line 319
    def spec_git_paths
      sources.git_sources.map {|s| s.path.to_s }
    end

specs() click to toggle source

For given dependency list returns a SpecSet with Gemspec of all the required dependencies.

    1. The method first resolves the dependencies specified in Gemfile
    2. After that it tries and fetches gemspec of resolved dependencies

@return [Bundler::SpecSet]

    # File lib/bundler/definition.rb, line 167
    def specs
      @specs ||= begin
        begin
          specs = resolve.materialize(Bundler.settings[:cache_all_platforms] ? dependencies : requested_dependencies)
        rescue GemNotFound => e # Handle yanked gem
          gem_name, gem_version = extract_gem_info(e)
          locked_gem = @locked_specs[gem_name].last
          raise if locked_gem.nil? || locked_gem.version.to_s != gem_version || !@remote
          raise GemNotFound, "Your bundle is locked to #{locked_gem}, but that version could not "                               "be found in any of the sources listed in your Gemfile. If you haven't changed sources, "                               "that means the author of #{locked_gem} has removed it. You'll need to update your bundle "                               "to a version other than #{locked_gem} that hasn't been removed in order to install."
        end
        unless specs["bundler"].any?
          bundler = sources.metadata_source.specs.search(Gem::Dependency.new("bundler", VERSION)).last
          specs["bundler"] = bundler
        end

        specs
      end
    end

specs_for(groups) click to toggle source

    # File lib/bundler/definition.rb, line 234
    def specs_for(groups)
      deps = dependencies.select {|d| (d.groups & groups).any? }
      deps.delete_if {|d| !d.should_include? }
      specs.for(expand_dependencies(deps))
    end

to_lock() click to toggle source

    # File lib/bundler/definition.rb, line 387
    def to_lock
      require "bundler/lockfile_generator"
      LockfileGenerator.generate(self)
    end

unlocking?() click to toggle source

    # File lib/bundler/definition.rb, line 542
    def unlocking?
      @unlocking
    end

validate_platforms!() click to toggle source

    # File lib/bundler/definition.rb, line 499
    def validate_platforms!
      return if @platforms.any? do |bundle_platform|
        Bundler.rubygems.platforms.any? do |local_platform|
          MatchPlatform.platforms_match?(bundle_platform, local_platform)
        end
      end

      raise ProductionError, "Your bundle only supports platforms #{@platforms.map(&:to_s)} "          "but your local platforms are #{Bundler.rubygems.platforms.map(&:to_s)}, and "          "there's no compatible match between those two lists."
    end

validate_ruby!() click to toggle source

    # File lib/bundler/definition.rb, line 474
    def validate_ruby!
      return unless ruby_version

      if diff = ruby_version.diff(Bundler::RubyVersion.system)
        problem, expected, actual = diff

        msg = case problem
              when :engine
                "Your Ruby engine is #{actual}, but your Gemfile specified #{expected}"
              when :version
                "Your Ruby version is #{actual}, but your Gemfile specified #{expected}"
              when :engine_version
                "Your #{Bundler::RubyVersion.system.engine} version is #{actual}, but your Gemfile specified #{ruby_version.engine} #{expected}"
              when :patchlevel
                if !expected.is_a?(String)
                  "The Ruby patchlevel in your Gemfile must be a string"
                else
                  "Your Ruby patchlevel is #{actual}, but your Gemfile specified #{expected}"
                end
        end

        raise RubyVersionMismatch, msg
      end
    end

validate_runtime!() click to toggle source

    # File lib/bundler/definition.rb, line 469
    def validate_runtime!
      validate_ruby!
      validate_platforms!
    end

[Validate]

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