Class: Bundler::Definition

Inherits:
Object
  • Object
show all
Includes:
GemHelpers
Defined in:
lib/bundler/definition.rb

Constant Summary

Constants included from GemHelpers

GemHelpers::GENERICS, GemHelpers::GENERIC_CACHE

Class Attribute Summary collapse

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from GemHelpers

generic, generic_local_platform, generic_local_platform_is_ruby?, local_platform, platform_specificity_match, same_deps, same_specificity, select_all_platform_match, select_best_local_platform_match, select_best_platform_match, sort_and_filter_best_platform_match, sort_best_platform_match

Constructor Details

#initialize(lockfile, dependencies, sources, unlock, ruby_version = nil, optional_groups = [], gemfiles = []) ⇒ Definition

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.

Parameters:

  • lockfile (Pathname) —

    Path to Gemfile.lock

  • dependencies (Array(Bundler::Dependency)) —

    array of dependencies from Gemfile

  • sources (Bundler::SourceList)
  • unlock (Hash, Boolean, nil) —

    Gems that have been requested to be updated or true if all gems should be updated

  • ruby_version (Bundler::RubyVersion, nil) (defaults to: nil) —

    Requested Ruby Version

  • optional_groups (Array(String)) (defaults to: []) —

    A list of optional groups



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# File 'lib/bundler/definition.rb', line 60

def initialize(lockfile, dependencies, sources, unlock, ruby_version = nil, optional_groups = [], gemfiles = [])
  if [true, false].include?(unlock)
    @unlocking_bundler = false
    @unlocking = unlock
  else
    @unlocking_bundler = unlock.delete(:bundler)
    @unlocking = unlock.any? {|_k, v| !Array(v).empty? }
  end

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

  @lockfile               = lockfile
  @lockfile_contents      = String.new

  @locked_bundler_version = nil
  @resolved_bundler_version = nil

  @locked_ruby_version = nil
  @new_platforms = []
  @removed_platform = nil

  if lockfile_exists?
    @lockfile_contents = Bundler.read_file(lockfile)
    @locked_gems = LockfileParser.new(@lockfile_contents)
    @locked_platforms = @locked_gems.platforms
    @most_specific_locked_platform = @locked_gems.most_specific_locked_platform
    @platforms = @locked_platforms.dup
    @locked_bundler_version = @locked_gems.bundler_version
    @locked_ruby_version = @locked_gems.ruby_version
    @originally_locked_deps = @locked_gems.dependencies
    @originally_locked_specs = SpecSet.new(@locked_gems.specs)
    @locked_checksums = @locked_gems.checksums

    if unlock != true
      @locked_deps    = @originally_locked_deps
      @locked_specs   = @originally_locked_specs
      @locked_sources = @locked_gems.sources
    else
      @unlock         = {}
      @locked_deps    = {}
      @locked_specs   = SpecSet.new([])
      @locked_sources = []
    end
  else
    @unlock         = {}
    @locked_gems    = nil
    @locked_platforms = []
    @most_specific_locked_platform = nil
    @platforms      = []
    @locked_deps    = {}
    @locked_specs   = SpecSet.new([])
    @originally_locked_deps = {}
    @originally_locked_specs = @locked_specs
    @locked_sources = []
    @locked_checksums = Bundler.feature_flag.lockfile_checksums?
  end

  locked_gem_sources = @locked_sources.select {|s| s.is_a?(Source::Rubygems) }
  @multisource_allowed = locked_gem_sources.size == 1 && locked_gem_sources.first.multiple_remotes? && Bundler.frozen_bundle?

  if @multisource_allowed
    unless sources.aggregate_global_source?
      msg = "Your lockfile contains a single rubygems source section with multiple remotes, which is insecure. Make sure you run `bundle install` in non frozen mode and commit the result to make your lockfile secure."

      Bundler::SharedHelpers.major_deprecation 2, msg
    end

    @sources.merged_gem_lockfile_sections!(locked_gem_sources.first)
  end

  @sources_to_unlock = @unlock.delete(: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)

  @current_platform_missing = add_current_platform unless Bundler.frozen_bundle?

  converge_path_sources_to_gemspec_sources
  @path_changes = converge_paths
  @source_changes = converge_sources

  @explicit_unlocks = @unlock.delete(:gems) || []

  if @unlock[:conservative]
    @gems_to_unlock = @explicit_unlocks.any? ? @explicit_unlocks : @dependencies.map(&:name)
  else
    eager_unlock = @explicit_unlocks.map {|name| Dependency.new(name, ">= 0") }
    @gems_to_unlock = @locked_specs.for(eager_unlock, platforms).map(&:name).uniq
  end

  @dependency_changes = converge_dependencies
  @local_changes = converge_locals

  check_lockfile
end

Class Attribute Details

.no_lock ⇒ Object

Do not create or modify a lockfile (Makes #lock a noop)



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# File 'lib/bundler/definition.rb', line 11

def no_lock
  @no_lock
end

Instance Attribute Details

#dependencies ⇒ Object (readonly)

Returns the value of attribute dependencies.



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# File 'lib/bundler/definition.rb', line 14

def dependencies
  @dependencies
end

#gemfiles ⇒ Object (readonly)

Returns the value of attribute gemfiles.



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# File 'lib/bundler/definition.rb', line 14

def gemfiles
  @gemfiles
end

#locked_checksums ⇒ Object (readonly)

Returns the value of attribute locked_checksums.



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# File 'lib/bundler/definition.rb', line 14

def locked_checksums
  @locked_checksums
end

#locked_deps ⇒ Object (readonly)

Returns the value of attribute locked_deps.



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# File 'lib/bundler/definition.rb', line 14

def locked_deps
  @locked_deps
end

#locked_gems ⇒ Object (readonly)

Returns the value of attribute locked_gems.



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# File 'lib/bundler/definition.rb', line 14

def locked_gems
  @locked_gems
end

#lockfile ⇒ Object (readonly)

Returns the value of attribute lockfile.



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# File 'lib/bundler/definition.rb', line 14

def lockfile
  @lockfile
end

#platforms ⇒ Object (readonly)

Returns the value of attribute platforms.



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# File 'lib/bundler/definition.rb', line 14

def platforms
  @platforms
end

#ruby_version ⇒ Object (readonly)

Returns the value of attribute ruby_version.



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# File 'lib/bundler/definition.rb', line 14

def ruby_version
  @ruby_version
end

#source_requirements=(value) ⇒ Object

Sets the attribute source_requirements

Parameters:

  • value —

    the value to set the attribute source_requirements to.



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# File 'lib/bundler/definition.rb', line 527

def source_requirements=(value)
  @source_requirements = value
end

#sources ⇒ Object (readonly)

Returns the value of attribute sources.



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# File 'lib/bundler/definition.rb', line 14

def sources
  @sources
end

Class Method Details

.build(gemfile, lockfile, unlock) ⇒ Bundler::Definition

Given a gemfile and lockfile creates a Bundler definition

Parameters:

  • gemfile (Pathname) —

    Path to Gemfile

  • lockfile (Pathname, nil) —

    Path to Gemfile.lock

  • unlock (Hash, Boolean, nil) —

    Gems that have been requested to be updated or true if all gems should be updated

Returns:

Raises:



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# File 'lib/bundler/definition.rb', line 33

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

Instance Method Details

#add_checksums ⇒ Object 



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# File 'lib/bundler/definition.rb', line 529

def add_checksums
  @locked_checksums = true

  setup_domain!(add_checksums: true)

  specs # force materialization to real specifications, so that checksums are fetched
end

#add_platform(platform) ⇒ Object 



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# File 'lib/bundler/definition.rb', line 501

def add_platform(platform)
  return if @platforms.include?(platform)

  @new_platforms << platform
  @platforms << platform
end

#bundler_version_to_lock ⇒ Object 



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# File 'lib/bundler/definition.rb', line 396

def bundler_version_to_lock
  @resolved_bundler_version || Bundler.gem_version
end

#check! ⇒ Object 



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# File 'lib/bundler/definition.rb', line 168

def check!
  # If dependencies have changed, we need to resolve remotely. Otherwise,
  # since we'll be resolving with a single local source, we may end up
  # locking gems under the wrong source in the lockfile, and missing lockfile
  # checksums
  resolve_remotely! if @dependency_changes

  # Now do a local only resolve, to verify if any gems are missing locally
  sources.local_only!
  resolve
end

#current_dependencies ⇒ Object 



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# File 'lib/bundler/definition.rb', line 271

def current_dependencies
  filter_relevant(dependencies)
end

#current_locked_dependencies ⇒ Object 



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# File 'lib/bundler/definition.rb', line 275

def current_locked_dependencies
  filter_relevant(locked_dependencies)
end

#deleted_deps ⇒ Object 



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# File 'lib/bundler/definition.rb', line 294

def deleted_deps
  @deleted_deps ||= locked_dependencies - @dependencies
end

#dependencies_for(groups) ⇒ Object 



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# File 'lib/bundler/definition.rb', line 304

def dependencies_for(groups)
  groups.map!(&:to_sym)
  deps = current_dependencies # always returns a new array
  deps.select! do |d|
    d.groups.intersect?(groups)
  end
  deps
end

#ensure_equivalent_gemfile_and_lockfile(explicit_flag = false) ⇒ Object

Raises:



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# File 'lib/bundler/definition.rb', line 405

def ensure_equivalent_gemfile_and_lockfile(explicit_flag = false)
  return unless Bundler.frozen_bundle?

  raise ProductionError, "Frozen mode is set, but there's no lockfile" unless lockfile_exists?

  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}" }

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

  both_sources = Hash.new {|h, k| h[k] = [] }
  current_dependencies.each {|d| both_sources[d.name][0] = d }
  current_locked_dependencies.each {|d| both_sources[d.name][1] = d }

  both_sources.each do |name, (dep, lock_dep)|
    next if dep.nil? || lock_dep.nil?

    gemfile_source = dep.source || default_source
    lock_source = lock_dep.source || default_source
    next if lock_source.include?(gemfile_source)

    gemfile_source_name = dep.source ? gemfile_source.to_gemfile : "no specified source"
    lockfile_source_name = lock_dep.source ? lock_source.to_gemfile : "no specified source"
    changed << "* #{name} from `#{lockfile_source_name}` to `#{gemfile_source_name}`"
  end

  reason = nothing_changed? ? "some dependencies were deleted from your gemfile" : change_reason
  msg = String.new
  msg << "#{reason.capitalize.strip}, but the lockfile can't be updated because frozen mode is set"
  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\nRun `bundle install` elsewhere and add the updated #{SharedHelpers.relative_gemfile_path} to version control.\n"

  unless explicit_flag
    suggested_command = unless Bundler.settings.locations("frozen").keys.include?(:env)
      "bundle config set frozen false"
    end
    msg << "If this is a development machine, remove the #{SharedHelpers.relative_lockfile_path} " \
           "freeze by running `#{suggested_command}`." if suggested_command
  end

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

#filter_relevant(dependencies) ⇒ Object 



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# File 'lib/bundler/definition.rb', line 279

def filter_relevant(dependencies)
  platforms_array = [generic_local_platform].freeze
  dependencies.select do |d|
    d.should_include? && !d.gem_platforms(platforms_array).empty?
  end
end

#gem_version_promoter ⇒ Object 



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# File 'lib/bundler/definition.rb', line 164

def gem_version_promoter
  @gem_version_promoter ||= GemVersionPromoter.new
end

#groups ⇒ Object 



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# File 'lib/bundler/definition.rb', line 349

def groups
  dependencies.flat_map(&:groups).uniq
end

#lock(file_or_preserve_unknown_sections = false, preserve_unknown_sections_or_unused = false) ⇒ Object 



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# File 'lib/bundler/definition.rb', line 353

def lock(file_or_preserve_unknown_sections = false, preserve_unknown_sections_or_unused = false)
  if [true, false, nil].include?(file_or_preserve_unknown_sections)
    target_lockfile = lockfile
    preserve_unknown_sections = file_or_preserve_unknown_sections
  else
    target_lockfile = file_or_preserve_unknown_sections
    preserve_unknown_sections = preserve_unknown_sections_or_unused

    suggestion = if target_lockfile == lockfile
      "To fix this warning, remove it from the `Definition#lock` call."
    else
      "Instead, instantiate a new definition passing `#{target_lockfile}`, and call `lock` without a file argument on that definition"
    end

    msg = "`Definition#lock` was passed a target file argument. #{suggestion}"

    Bundler::SharedHelpers.major_deprecation 2, msg
  end

  write_lock(target_lockfile, preserve_unknown_sections)
end

#locked_dependencies ⇒ Object 



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# File 'lib/bundler/definition.rb', line 286

def locked_dependencies
  @locked_deps.values
end

#locked_ruby_version ⇒ Object 



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# File 'lib/bundler/definition.rb', line 375

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 ⇒ Object 



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# File 'lib/bundler/definition.rb', line 384

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 ⇒ Object 



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# File 'lib/bundler/definition.rb', line 243

def missing_specs
  resolve.missing_specs_for(requested_dependencies)
end

#missing_specs? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/bundler/definition.rb', line 247

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
  @resolve = nil
  @resolver = nil
  @resolution_packages = nil
  @source_requirements = nil
  @specs = nil

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

#new_deps ⇒ Object 



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# File 'lib/bundler/definition.rb', line 290

def new_deps
  @new_deps ||= @dependencies - locked_dependencies
end

#new_specs ⇒ Object 



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# File 'lib/bundler/definition.rb', line 235

def new_specs
  specs - @locked_specs
end

#no_resolve_needed? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/bundler/definition.rb', line 519

def no_resolve_needed?
  !resolve_needed?
end

#normalize_platforms ⇒ Object 



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# File 'lib/bundler/definition.rb', line 495

def normalize_platforms
  @platforms = resolve.normalize_platforms!(current_dependencies, platforms)

  @resolve = SpecSet.new(resolve.for(current_dependencies, @platforms))
end

#nothing_changed? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/bundler/definition.rb', line 515

def nothing_changed?
  !something_changed?
end

#prefer_local! ⇒ Object 



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# File 'lib/bundler/definition.rb', line 221

def prefer_local!
  @prefer_local = true
end

#remotely! ⇒ Object 



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# File 'lib/bundler/definition.rb', line 216

def remotely!
  sources.cached!
  sources.remote!
end

#remove_platform(platform) ⇒ Object

Raises:



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# File 'lib/bundler/definition.rb', line 508

def remove_platform(platform)
  removed_platform = @platforms.delete(Gem::Platform.new(platform))
  @removed_platform ||= removed_platform
  return if removed_platform
  raise InvalidOption, "Unable to remove the platform `#{platform}` since the only platforms are #{@platforms.join ", "}"
end

#removed_specs ⇒ Object 



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# File 'lib/bundler/definition.rb', line 239

def removed_specs
  @locked_specs - specs
end

#requested_dependencies ⇒ Object 



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# File 'lib/bundler/definition.rb', line 267

def requested_dependencies
  dependencies_for(requested_groups)
end

#requested_specs ⇒ Object 



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# File 'lib/bundler/definition.rb', line 263

def requested_specs
  specs_for(requested_groups)
end

#resolve ⇒ SpecSet

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

Returns:

  • (SpecSet) —

    resolved dependencies



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# File 'lib/bundler/definition.rb', line 318

def resolve
  @resolve ||= if Bundler.frozen_bundle?
    Bundler.ui.debug "Frozen, using resolution from the lockfile"
    @locked_specs
  elsif no_resolve_needed?
    if deleted_deps.any?
      Bundler.ui.debug "Some dependencies were deleted, using a subset of the resolution from the lockfile"
      SpecSet.new(filter_specs(@locked_specs, @dependencies - deleted_deps))
    else
      Bundler.ui.debug "Found no changes, using resolution from the lockfile"
      if @removed_platform || @locked_gems.may_include_redundant_platform_specific_gems?
        SpecSet.new(filter_specs(@locked_specs, @dependencies))
      else
        @locked_specs
      end
    end
  else
    if lockfile_exists?
      Bundler.ui.debug "Found changes from the lockfile, re-resolving dependencies because #{change_reason}"
    else
      Bundler.ui.debug "Resolving dependencies because there's no lockfile"
    end

    start_resolution
  end
end

#resolve_remotely! ⇒ Object 



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# File 'lib/bundler/definition.rb', line 210

def resolve_remotely!
  remotely!

  resolve
end

#resolve_with_cache! ⇒ Object 



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# File 'lib/bundler/definition.rb', line 199

def resolve_with_cache!
  with_cache!

  resolve
end

#setup_domain!(options = {}) ⇒ Boolean

Setup sources according to the given options and the state of the definition.

Returns:

  • (Boolean) —

    Whether fetching remote information will be necessary or not



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# File 'lib/bundler/definition.rb', line 186

def setup_domain!(options = {})
  prefer_local! if options[:"prefer-local"]

  if options[:add_checksums] || (!options[:local] && install_needed?)
    remotely!
    true
  else
    Bundler.settings.set_command_option(:jobs, 1) unless install_needed? # to avoid the overhead of Bundler::Worker
    with_cache!
    false
  end
end

#spec_git_paths ⇒ Object 



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# File 'lib/bundler/definition.rb', line 345

def spec_git_paths
  sources.git_sources.filter_map {|s| File.realpath(s.path) if File.exist?(s.path) }
end

#specs ⇒ Bundler::SpecSet

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

Returns:



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# File 'lib/bundler/definition.rb', line 231

def specs
  @specs ||= materialize(requested_dependencies)
end

#specs_for(groups) ⇒ Object 



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# File 'lib/bundler/definition.rb', line 298

def specs_for(groups)
  return specs if groups.empty?
  deps = dependencies_for(groups)
  materialize(deps)
end

#to_lock ⇒ Object 



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# File 'lib/bundler/definition.rb', line 400

def to_lock
  require_relative "lockfile_generator"
  LockfileGenerator.generate(self)
end

#unlocking? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/bundler/definition.rb', line 523

def unlocking?
  @unlocking
end

#validate_platforms! ⇒ Object

Raises:



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# File 'lib/bundler/definition.rb', line 487

def validate_platforms!
  return if current_platform_locked?

  raise ProductionError, "Your bundle only supports platforms #{@platforms.map(&:to_s)} " \
    "but your local platform is #{local_platform}. " \
    "Add the current platform to the lockfile with\n`bundle lock --add-platform #{local_platform}` and try again."
end

#validate_ruby! ⇒ Object 



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# File 'lib/bundler/definition.rb', line 462

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! ⇒ Object 



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# File 'lib/bundler/definition.rb', line 457

def validate_runtime!
  validate_ruby!
  validate_platforms!
end

#with_cache! ⇒ Object 



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# File 'lib/bundler/definition.rb', line 205

def with_cache!
  sources.local!
  sources.cached!
end