module Bundler::GemHelpers

Constants

GENERICS
GENERIC_CACHE

Public Class Methods

force_ruby_platform(specs) click to toggle source

# File bundler/gem_helpers.rb, line 51
def force_ruby_platform(specs)
  matching = specs.select {|spec| spec.match_platform(Gem::Platform::RUBY) && spec.force_ruby_platform! }

  sort_best_platform_match(matching, Gem::Platform::RUBY)
end

generic(p) click to toggle source

# File bundler/gem_helpers.rb, line 17
def generic(p)
  GENERIC_CACHE[p] ||= begin
    _, found = GENERICS.find do |match, _generic|
      p.os == match.os && (!match.cpu || p.cpu == match.cpu)
    end
    found || Gem::Platform::RUBY
  end
end

generic_local_platform() click to toggle source

# File bundler/gem_helpers.rb, line 27
def generic_local_platform
  generic(local_platform)
end

local_platform() click to toggle source

# File bundler/gem_helpers.rb, line 32
def local_platform
  Bundler.local_platform
end

platform_specificity_match(spec_platform, user_platform) click to toggle source

# File bundler/gem_helpers.rb, line 37
def platform_specificity_match(spec_platform, user_platform)
  spec_platform = Gem::Platform.new(spec_platform)

  PlatformMatch.specificity_score(spec_platform, user_platform)
end

same_deps(spec, exemplary_spec) click to toggle source

# File bundler/gem_helpers.rb, line 115
def same_deps(spec, exemplary_spec)
  same_runtime_deps = spec.dependencies.sort == exemplary_spec.dependencies.sort
  return same_runtime_deps unless spec.is_a?(Gem::Specification) && exemplary_spec.is_a?(Gem::Specification)

  same_metadata_deps = spec.required_ruby_version == exemplary_spec.required_ruby_version && spec.required_rubygems_version == exemplary_spec.required_rubygems_version
  same_runtime_deps && same_metadata_deps
end

same_specificity(platform, spec, exemplary_spec) click to toggle source

# File bundler/gem_helpers.rb, line 110
def same_specificity(platform, spec, exemplary_spec)
  platform_specificity_match(spec.platform, platform) == platform_specificity_match(exemplary_spec.platform, platform)
end

select_best_platform_match(specs, platform) click to toggle source

# File bundler/gem_helpers.rb, line 44
def select_best_platform_match(specs, platform)
  matching = specs.select {|spec| spec.match_platform(platform) }

  sort_best_platform_match(matching, platform)
end

sort_best_platform_match(matching, platform) click to toggle source

# File bundler/gem_helpers.rb, line 58
def sort_best_platform_match(matching, platform)
  exact = matching.select {|spec| spec.platform == platform }
  return exact if exact.any?

  sorted_matching = matching.sort_by {|spec| platform_specificity_match(spec.platform, platform) }
  exemplary_spec = sorted_matching.first

  sorted_matching.take_while {|spec| same_specificity(platform, spec, exemplary_spec) && same_deps(spec, exemplary_spec) }
end

Private Instance Methods