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* lib/bundler, spec/bundler: Merge bundler-1.16.0. * common.mk: rspec examples of bundler-1.16.0 needs require option. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60603 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
152 lines
5 KiB
Ruby
152 lines
5 KiB
Ruby
# frozen_string_literal: true
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module Bundler
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class RubyVersion
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attr_reader :versions,
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:patchlevel,
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:engine,
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:engine_versions,
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:gem_version,
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:engine_gem_version
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def initialize(versions, patchlevel, engine, engine_version)
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# The parameters to this method must satisfy the
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# following constraints, which are verified in
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# the DSL:
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#
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# * If an engine is specified, an engine version
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# must also be specified
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# * If an engine version is specified, an engine
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# must also be specified
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# * If the engine is "ruby", the engine version
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# must not be specified, or the engine version
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# specified must match the version.
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@versions = Array(versions).map do |v|
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op, v = Gem::Requirement.parse(v)
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op == "=" ? v.to_s : "#{op} #{v}"
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end
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@gem_version = Gem::Requirement.create(@versions.first).requirements.first.last
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@input_engine = engine && engine.to_s
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@engine = engine && engine.to_s || "ruby"
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@engine_versions = (engine_version && Array(engine_version)) || @versions
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@engine_gem_version = Gem::Requirement.create(@engine_versions.first).requirements.first.last
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@patchlevel = patchlevel
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end
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def to_s(versions = self.versions)
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output = String.new("ruby #{versions_string(versions)}")
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output << "p#{patchlevel}" if patchlevel
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output << " (#{engine} #{versions_string(engine_versions)})" unless engine == "ruby"
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output
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end
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# @private
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PATTERN = /
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ruby\s
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([\d.]+) # ruby version
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(?:p(-?\d+))? # optional patchlevel
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(?:\s\((\S+)\s(.+)\))? # optional engine info
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/xo
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# Returns a RubyVersion from the given string.
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# @param [String] the version string to match.
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# @return [RubyVersion,Nil] The version if the string is a valid RubyVersion
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# description, and nil otherwise.
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def self.from_string(string)
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new($1, $2, $3, $4) if string =~ PATTERN
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end
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def single_version_string
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to_s(gem_version)
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end
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def ==(other)
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versions == other.versions &&
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engine == other.engine &&
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engine_versions == other.engine_versions &&
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patchlevel == other.patchlevel
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end
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def host
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@host ||= [
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RbConfig::CONFIG["host_cpu"],
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RbConfig::CONFIG["host_vendor"],
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RbConfig::CONFIG["host_os"]
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].join("-")
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end
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# Returns a tuple of these things:
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# [diff, this, other]
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# The priority of attributes are
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# 1. engine
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# 2. ruby_version
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# 3. engine_version
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def diff(other)
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raise ArgumentError, "Can only diff with a RubyVersion, not a #{other.class}" unless other.is_a?(RubyVersion)
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if engine != other.engine && @input_engine
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[:engine, engine, other.engine]
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elsif versions.empty? || !matches?(versions, other.gem_version)
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[:version, versions_string(versions), versions_string(other.versions)]
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elsif @input_engine && !matches?(engine_versions, other.engine_gem_version)
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[:engine_version, versions_string(engine_versions), versions_string(other.engine_versions)]
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elsif patchlevel && (!patchlevel.is_a?(String) || !other.patchlevel.is_a?(String) || !matches?(patchlevel, other.patchlevel))
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[:patchlevel, patchlevel, other.patchlevel]
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end
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end
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def versions_string(versions)
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Array(versions).join(", ")
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end
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def self.system
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ruby_engine = if defined?(RUBY_ENGINE) && !RUBY_ENGINE.nil?
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RUBY_ENGINE.dup
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else
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# not defined in ruby 1.8.7
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"ruby"
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end
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# :sob: mocking RUBY_VERSION breaks stuff on 1.8.7
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ruby_version = ENV.fetch("BUNDLER_SPEC_RUBY_VERSION") { RUBY_VERSION }.dup
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ruby_engine_version = case ruby_engine
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when "ruby"
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ruby_version
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when "rbx"
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Rubinius::VERSION.dup
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when "jruby"
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JRUBY_VERSION.dup
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else
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raise BundlerError, "RUBY_ENGINE value #{RUBY_ENGINE} is not recognized"
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end
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patchlevel = RUBY_PATCHLEVEL.to_s
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@ruby_version ||= RubyVersion.new(ruby_version, patchlevel, ruby_engine, ruby_engine_version)
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end
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def to_gem_version_with_patchlevel
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@gem_version_with_patch ||= begin
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Gem::Version.create("#{@gem_version}.#{@patchlevel}")
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rescue ArgumentError
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@gem_version
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end
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end
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def exact?
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return @exact if defined?(@exact)
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@exact = versions.all? {|v| Gem::Requirement.create(v).exact? }
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end
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private
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def matches?(requirements, version)
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# Handles RUBY_PATCHLEVEL of -1 for instances like ruby-head
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return requirements == version if requirements.to_s == "-1" || version.to_s == "-1"
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Array(requirements).all? do |requirement|
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Gem::Requirement.create(requirement).satisfied_by?(Gem::Version.create(version))
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end
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end
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end
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end
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