Class: Bundler::Definition
- Inherits:
-
Object
- Object
- Bundler::Definition
show all
- Includes:
- GemHelpers
- Defined in:
- lib/bundler/definition.rb
Constant Summary
Constants included
from GemHelpers
GemHelpers::GENERICS, GemHelpers::GENERIC_CACHE
Instance Attribute Summary collapse
Class Method Summary
collapse
Instance Method Summary
collapse
Methods included from GemHelpers
generic, generic_local_platform, local_platform, platform_specificity_match, same_deps, same_specificity, select_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.
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# File 'lib/bundler/definition.rb', line 54
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
@remote = false
@specs = nil
@ruby_version = ruby_version
@gemfiles = gemfiles
@lockfile = lockfile
@lockfile_contents = String.new
@locked_bundler_version = nil
@locked_ruby_version = nil
@new_platform = nil
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
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
@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 current_ruby_platform_locked? || Bundler.frozen_bundle?
converge_path_sources_to_gemspec_sources
@path_changes = converge_paths
@source_changes = converge_sources
if @unlock[:conservative]
@unlock[:gems] ||= @dependencies.map(&:name)
else
eager_unlock = expand_dependencies(@unlock[:gems] || [], true)
@unlock[:gems] = @locked_specs.for(eager_unlock, false, false).map(&:name)
end
@dependency_changes = converge_dependencies
@local_changes = converge_locals
@locked_specs_incomplete_for_platform = !@locked_specs.for(requested_dependencies & expand_dependencies(locked_dependencies), true, true)
@requires = compute_requires
end
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Instance Attribute Details
#dependencies ⇒ Object
Returns the value of attribute dependencies.
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# File 'lib/bundler/definition.rb', line 9
def dependencies
@dependencies
end
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#gemfiles ⇒ Object
Returns the value of attribute gemfiles.
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# File 'lib/bundler/definition.rb', line 9
def gemfiles
@gemfiles
end
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#locked_deps ⇒ Object
Returns the value of attribute locked_deps.
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# File 'lib/bundler/definition.rb', line 9
def locked_deps
@locked_deps
end
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#locked_gems ⇒ Object
Returns the value of attribute locked_gems.
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# File 'lib/bundler/definition.rb', line 9
def locked_gems
@locked_gems
end
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#lockfile ⇒ Object
Returns the value of attribute lockfile.
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# File 'lib/bundler/definition.rb', line 9
def lockfile
@lockfile
end
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Returns the value of attribute platforms.
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# File 'lib/bundler/definition.rb', line 9
def platforms
@platforms
end
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#requires ⇒ Object
Returns the value of attribute requires.
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# File 'lib/bundler/definition.rb', line 9
def requires
@requires
end
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#ruby_version ⇒ Object
Returns the value of attribute ruby_version.
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# File 'lib/bundler/definition.rb', line 9
def ruby_version
@ruby_version
end
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Class Method Details
Given a gemfile and lockfile creates a Bundler definition
Instance Method Details
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# File 'lib/bundler/definition.rb', line 437
def add_platform(platform)
@new_platform ||= !@platforms.include?(platform)
@platforms |= [platform]
end
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#current_dependencies ⇒ Object
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# File 'lib/bundler/definition.rb', line 222
def current_dependencies
dependencies.select do |d|
d.should_include? && !d.gem_platforms(@platforms).empty?
end
end
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#dependencies_for(groups) ⇒ Object
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# File 'lib/bundler/definition.rb', line 238
def dependencies_for(groups)
groups.map!(&:to_sym)
deps = current_dependencies.reject do |d|
(d.groups & groups).empty?
end
expand_dependencies(deps)
end
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#ensure_equivalent_gemfile_and_lockfile(explicit_flag = false) ⇒ Object
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# File 'lib/bundler/definition.rb', line 342
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").keys.&([:global, :local]).any?
"bundle config unset frozen"
elsif Bundler.settings.locations("deployment").keys.&([:global, :local]).any?
"bundle config unset 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}" }
new_deps = @dependencies - locked_dependencies
deleted_deps = locked_dependencies - @dependencies
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] = [] }
@dependencies.each {|d| both_sources[d.name][0] = d }
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 || sources.default_source
lock_source = lock_dep.source || sources.default_source
next if lock_source.include?(gemfile_source)
gemfile_source_name = dep.source ? gemfile_source.identifier : "no specified source"
lockfile_source_name = lock_dep.source ? lock_source.identifier : "no specified source"
changed << "* #{name} from `#{lockfile_source_name}` to `#{gemfile_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
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# File 'lib/bundler/definition.rb', line 146
def gem_version_promoter
@gem_version_promoter ||= begin
locked_specs =
if unlocking? && @locked_specs.empty? && !@lockfile_contents.empty?
Bundler::SpecSet.new(@locked_gems.specs)
else
@locked_specs
end
GemVersionPromoter.new(locked_specs, @unlock[:gems])
end
end
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#groups ⇒ Object
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# File 'lib/bundler/definition.rb', line 273
def groups
dependencies.map(&:groups).flatten.uniq
end
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#lock(file, preserve_unknown_sections = false) ⇒ Object
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# File 'lib/bundler/definition.rb', line 277
def lock(file, preserve_unknown_sections = false)
contents = to_lock
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
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#locked_bundler_version ⇒ Object
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# File 'lib/bundler/definition.rb', line 308
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
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#locked_dependencies ⇒ Object
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# File 'lib/bundler/definition.rb', line 228
def locked_dependencies
@locked_deps.values
end
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#locked_ruby_version ⇒ Object
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# File 'lib/bundler/definition.rb', line 316
def locked_ruby_version
return unless ruby_version
if @unlock[:ruby] || !@locked_ruby_version
Bundler::RubyVersion.system
else
@locked_ruby_version
end
end
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#locked_ruby_version_object ⇒ Object
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# File 'lib/bundler/definition.rb', line 325
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
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#missing_specs ⇒ Object
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# File 'lib/bundler/definition.rb', line 196
def missing_specs
resolve.materialize(requested_dependencies).missing_specs
end
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#missing_specs? ⇒ Boolean
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# File 'lib/bundler/definition.rb', line 200
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
@specs = nil
@gem_version_promoter = nil
Bundler.ui.debug "The definition is missing dependencies, failed to resolve & materialize locally (#{e})"
true
end
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# File 'lib/bundler/definition.rb', line 447
def most_specific_locked_platform
@platforms.min_by do |bundle_platform|
platform_specificity_match(bundle_platform, local_platform)
end
end
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#new_specs ⇒ Object
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# File 'lib/bundler/definition.rb', line 188
def new_specs
specs - @locked_specs
end
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#nothing_changed? ⇒ Boolean
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# File 'lib/bundler/definition.rb', line 456
def nothing_changed?
!@source_changes && !@dependency_changes && !@new_platform && !@path_changes && !@local_changes && !@locked_specs_incomplete_for_platform
end
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# File 'lib/bundler/definition.rb', line 442
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
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#removed_specs ⇒ Object
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# File 'lib/bundler/definition.rb', line 192
def removed_specs
@locked_specs - specs
end
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#requested_dependencies ⇒ Object
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# File 'lib/bundler/definition.rb', line 218
def requested_dependencies
dependencies_for(requested_groups)
end
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#requested_specs ⇒ Object
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# File 'lib/bundler/definition.rb', line 214
def requested_specs
specs_for(requested_groups)
end
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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
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# File 'lib/bundler/definition.rb', line 251
def resolve
@resolve ||= begin
last_resolve = converge_locked_specs
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
Bundler.ui.debug("Found changes from the lockfile, re-resolving dependencies because #{change_reason}")
expanded_dependencies = expand_dependencies(dependencies + metadata_dependencies, @remote)
Resolver.resolve(expanded_dependencies, source_requirements, last_resolve, gem_version_promoter, additional_base_requirements_for_resolve, platforms)
end
end
end
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#resolve_only_locally! ⇒ Object
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# File 'lib/bundler/definition.rb', line 161
def resolve_only_locally!
@remote = false
sources.local_only!
resolve
end
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#resolve_remotely! ⇒ Object
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# File 'lib/bundler/definition.rb', line 172
def resolve_remotely!
@remote = true
sources.remote!
resolve
end
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#resolve_with_cache! ⇒ Object
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# File 'lib/bundler/definition.rb', line 167
def resolve_with_cache!
sources.cached!
resolve
end
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#spec_git_paths ⇒ Object
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# File 'lib/bundler/definition.rb', line 269
def spec_git_paths
sources.git_sources.map {|s| File.realpath(s.path) if File.exist?(s.path) }.compact
end
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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
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# File 'lib/bundler/definition.rb', line 184
def specs
@specs ||= materialize(requested_dependencies)
end
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#specs_for(groups) ⇒ Object
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# File 'lib/bundler/definition.rb', line 232
def specs_for(groups)
return specs if groups.empty?
deps = dependencies_for(groups)
materialize(deps)
end
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#to_lock ⇒ Object
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# File 'lib/bundler/definition.rb', line 337
def to_lock
require_relative "lockfile_generator"
LockfileGenerator.generate(self)
end
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#unlocking? ⇒ Boolean
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# File 'lib/bundler/definition.rb', line 460
def unlocking?
@unlocking
end
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# File 'lib/bundler/definition.rb', line 429
def validate_platforms!
return if current_platform_locked?
raise ProductionError, "Your bundle only supports platforms #{@platforms.map(&:to_s)} " \
"but your local platform is #{Bundler.local_platform}. " \
"Add the current platform to the lockfile with `bundle lock --add-platform #{Bundler.local_platform}` and try again."
end
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#validate_ruby! ⇒ Object
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# File 'lib/bundler/definition.rb', line 404
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
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#validate_runtime! ⇒ Object
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# File 'lib/bundler/definition.rb', line 399
def validate_runtime!
validate_ruby!
validate_platforms!
end
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