Current File : //var/lib/rbenv/versions/2.3.8/lib64/ruby/gems/2.3.0/gems/bundler-1.13.5/lib/bundler/spec_set.rb
# frozen_string_literal: true
require "tsort"
require "forwardable"
module Bundler
class SpecSet
extend Forwardable
include TSort, Enumerable
def_delegators :@specs, :<<, :length, :add, :remove, :size, :empty?
def_delegators :sorted, :each
def initialize(specs)
@specs = specs.sort_by(&:name)
end
def for(dependencies, skip = [], check = false, match_current_platform = false)
handled = {}
deps = dependencies.dup
specs = []
skip += ["bundler"]
until deps.empty?
dep = deps.shift
next if handled[dep] || skip.include?(dep.name)
spec = lookup[dep.name].find do |s|
if match_current_platform
Gem::Platform.match(s.platform)
else
s.match_platform(dep.__platform)
end
end
handled[dep] = true
if spec
specs << spec
spec.dependencies.each do |d|
next if d.type == :development
d = DepProxy.new(d, dep.__platform) unless match_current_platform
deps << d
end
elsif check
return false
end
end
if spec = lookup["bundler"].first
specs << spec
end
check ? true : SpecSet.new(specs)
end
def valid_for?(deps)
self.for(deps, [], true)
end
def [](key)
key = key.name if key.respond_to?(:name)
lookup[key].reverse
end
def []=(key, value)
@specs << value
@lookup = nil
@sorted = nil
value
end
def sort!
self
end
def to_a
sorted.dup
end
def to_hash
lookup.dup
end
def materialize(deps, missing_specs = nil)
materialized = self.for(deps, [], false, true).to_a
deps = materialized.map(&:name).uniq
materialized.map! do |s|
next s unless s.is_a?(LazySpecification)
s.source.dependency_names = deps if s.source.respond_to?(:dependency_names=)
spec = s.__materialize__
if missing_specs
missing_specs << s unless spec
else
raise GemNotFound, "Could not find #{s.full_name} in any of the sources" unless spec
end
spec if spec
end
SpecSet.new(materialized.compact)
end
def merge(set)
arr = sorted.dup
set.each do |s|
next if arr.any? {|s2| s2.name == s.name && s2.version == s.version && s2.platform == s.platform }
arr << s
end
SpecSet.new(arr)
end
private
def sorted
rake = @specs.find {|s| s.name == "rake" }
begin
@sorted ||= ([rake] + tsort).compact.uniq
rescue TSort::Cyclic => error
cgems = extract_circular_gems(error)
raise CyclicDependencyError, "Your bundle requires gems that depend" \
" on each other, creating an infinite loop. Please remove either" \
" gem '#{cgems[1]}' or gem '#{cgems[0]}' and try again."
end
end
def extract_circular_gems(error)
if Bundler.current_ruby.mri? && Bundler.current_ruby.on_19?
error.message.scan(/(\w+) \([^)]/).flatten
else
error.message.scan(/@name="(.*?)"/).flatten
end
end
def lookup
@lookup ||= begin
lookup = Hash.new {|h, k| h[k] = [] }
specs = @specs.sort_by do |s|
s.platform.to_s == "ruby" ? "\0" : s.platform.to_s
end
specs.reverse_each do |s|
lookup[s.name] << s
end
lookup
end
end
def tsort_each_node
@specs.each {|s| yield s }
end
def tsort_each_child(s)
s.dependencies.sort_by(&:name).each do |d|
next if d.type == :development
lookup[d.name].each {|s2| yield s2 }
end
end
end
end
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