module Bundler::GemHelpers - bundler-1.15.4 Documentation

# module Bundler::GemHelpers

### Constants

GENERICS
GENERIC_CACHE
PlatformMatch

### Public Class Methods

generic(p) click to toggle source

    # File lib/bundler/gem_helpers.rb, line 14
    def generic(p)
      return p if p == Gem::Platform::RUBY

      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 lib/bundler/gem_helpers.rb, line 26
    def generic_local_platform
      generic(Bundler.local_platform)
    end

platform_specificity_match(spec_platform, user_platform) click to toggle source

    # File lib/bundler/gem_helpers.rb, line 31
    def platform_specificity_match(spec_platform, user_platform)
      spec_platform = Gem::Platform.new(spec_platform)
      return PlatformMatch::EXACT_MATCH if spec_platform == user_platform
      return PlatformMatch::WORST_MATCH if spec_platform.nil? || spec_platform == Gem::Platform::RUBY || user_platform == Gem::Platform::RUBY

      PlatformMatch.new(
        PlatformMatch.os_match(spec_platform, user_platform),
        PlatformMatch.cpu_match(spec_platform, user_platform),
        PlatformMatch.platform_version_match(spec_platform, user_platform)
      )
    end

select_best_platform_match(specs, platform) click to toggle source

    # File lib/bundler/gem_helpers.rb, line 44
    def select_best_platform_match(specs, platform)
      specs.select {|spec| spec.match_platform(platform) }.
        min_by {|spec| platform_specificity_match(spec.platform, platform) }
    end

### Private Instance Methods

generic(p) click to toggle source

    # File lib/bundler/gem_helpers.rb, line 14
    def generic(p)
      return p if p == Gem::Platform::RUBY

      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 lib/bundler/gem_helpers.rb, line 26
    def generic_local_platform
      generic(Bundler.local_platform)
    end

platform_specificity_match(spec_platform, user_platform) click to toggle source

    # File lib/bundler/gem_helpers.rb, line 31
    def platform_specificity_match(spec_platform, user_platform)
      spec_platform = Gem::Platform.new(spec_platform)
      return PlatformMatch::EXACT_MATCH if spec_platform == user_platform
      return PlatformMatch::WORST_MATCH if spec_platform.nil? || spec_platform == Gem::Platform::RUBY || user_platform == Gem::Platform::RUBY

      PlatformMatch.new(
        PlatformMatch.os_match(spec_platform, user_platform),
        PlatformMatch.cpu_match(spec_platform, user_platform),
        PlatformMatch.platform_version_match(spec_platform, user_platform)
      )
    end

select_best_platform_match(specs, platform) click to toggle source

    # File lib/bundler/gem_helpers.rb, line 44
    def select_best_platform_match(specs, platform)
      specs.select {|spec| spec.match_platform(platform) }.
        min_by {|spec| platform_specificity_match(spec.platform, platform) }
    end