зеркало из https://github.com/github/ruby.git
111 строки
3.8 KiB
Ruby
111 строки
3.8 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
module Bundler
|
|
module GemHelpers
|
|
GENERIC_CACHE = { Gem::Platform::RUBY => Gem::Platform::RUBY } # rubocop:disable Style/MutableConstant
|
|
GENERICS = [
|
|
[Gem::Platform.new("java"), Gem::Platform.new("java")],
|
|
[Gem::Platform.new("mswin32"), Gem::Platform.new("mswin32")],
|
|
[Gem::Platform.new("mswin64"), Gem::Platform.new("mswin64")],
|
|
[Gem::Platform.new("universal-mingw32"), Gem::Platform.new("universal-mingw32")],
|
|
[Gem::Platform.new("x64-mingw32"), Gem::Platform.new("x64-mingw32")],
|
|
[Gem::Platform.new("x86_64-mingw32"), Gem::Platform.new("x64-mingw32")],
|
|
[Gem::Platform.new("mingw32"), Gem::Platform.new("x86-mingw32")],
|
|
].freeze
|
|
|
|
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
|
|
module_function :generic
|
|
|
|
def generic_local_platform
|
|
generic(local_platform)
|
|
end
|
|
module_function :generic_local_platform
|
|
|
|
def local_platform
|
|
Bundler.local_platform
|
|
end
|
|
module_function :local_platform
|
|
|
|
def platform_specificity_match(spec_platform, user_platform)
|
|
spec_platform = Gem::Platform.new(spec_platform)
|
|
|
|
PlatformMatch.specificity_score(spec_platform, user_platform)
|
|
end
|
|
module_function :platform_specificity_match
|
|
|
|
def select_best_platform_match(specs, platform)
|
|
matching = specs.select {|spec| spec.match_platform(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
|
|
module_function :select_best_platform_match
|
|
|
|
class PlatformMatch
|
|
def self.specificity_score(spec_platform, user_platform)
|
|
return -1 if spec_platform == user_platform
|
|
return 1_000_000 if spec_platform.nil? || spec_platform == Gem::Platform::RUBY || user_platform == Gem::Platform::RUBY
|
|
|
|
os_match(spec_platform, user_platform) +
|
|
cpu_match(spec_platform, user_platform) * 10 +
|
|
platform_version_match(spec_platform, user_platform) * 100
|
|
end
|
|
|
|
def self.os_match(spec_platform, user_platform)
|
|
if spec_platform.os == user_platform.os
|
|
0
|
|
else
|
|
1
|
|
end
|
|
end
|
|
|
|
def self.cpu_match(spec_platform, user_platform)
|
|
if spec_platform.cpu == user_platform.cpu
|
|
0
|
|
elsif spec_platform.cpu == "arm" && user_platform.cpu.to_s.start_with?("arm")
|
|
0
|
|
elsif spec_platform.cpu.nil? || spec_platform.cpu == "universal"
|
|
1
|
|
else
|
|
2
|
|
end
|
|
end
|
|
|
|
def self.platform_version_match(spec_platform, user_platform)
|
|
if spec_platform.version == user_platform.version
|
|
0
|
|
elsif spec_platform.version.nil?
|
|
1
|
|
else
|
|
2
|
|
end
|
|
end
|
|
end
|
|
|
|
def same_specificity(platform, spec, exemplary_spec)
|
|
platform_specificity_match(spec.platform, platform) == platform_specificity_match(exemplary_spec.platform, platform)
|
|
end
|
|
module_function :same_specificity
|
|
|
|
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
|
|
module_function :same_deps
|
|
end
|
|
end
|