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ruby33
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bundler-2.5.11
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lib
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bundler
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resolver
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base.rb
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# frozen_string_literal: true require_relative "package" module Bundler class Resolver class Base attr_reader :packages, :requirements, :source_requirements def initialize(source_requirements, dependencies, base, platforms, options) @source_requirements = source_requirements @base = base @packages = Hash.new do |hash, name| hash[name] = Package.new(name, platforms, **options) end @requirements = dependencies.map do |dep| dep_platforms = dep.gem_platforms(platforms) # Dependencies scoped to external platforms are ignored next if dep_platforms.empty? name = dep.name @packages[name] = Package.new(name, dep_platforms, **options.merge(dependency: dep)) dep end.compact end def [](name) @base[name] end def delete(specs) @base.delete(specs) end def get_package(name) @packages[name] end def base_requirements @base_requirements ||= build_base_requirements end def unlock_names(names) indirect_pins = indirect_pins(names) if indirect_pins.any? loosen_names(indirect_pins) else pins = pins(names) if pins.any? loosen_names(pins) else unrestrict_names(names) end end end def include_prereleases(names) names.each do |name| get_package(name).consider_prereleases! end end private def indirect_pins(names) names.select {|name| @base_requirements[name].exact? && @requirements.none? {|dep| dep.name == name } } end def pins(names) names.select {|name| @base_requirements[name].exact? } end def loosen_names(names) names.each do |name| version = @base_requirements[name].requirements.first[1] @base_requirements[name] = Gem::Requirement.new(">= #{version}") @base.delete_by_name(name) end end def unrestrict_names(names) names.each do |name| @base_requirements.delete(name) end end def build_base_requirements base_requirements = {} @base.each do |ls| req = Gem::Requirement.new(ls.version) base_requirements[ls.name] = req end base_requirements end end end end