Class: Bundler::RubyVersion (Ruby 2.7.3)
Description: Class : Bundler::RubyVersion - Ruby 2.7.3

### Home Classes Methods

### In Files

- bundler/ruby_version.rb

### Parent

Object

### Methods

- ::from_string
- ::new
- ::system
- #==
- #diff
- #exact?
- #host
- #single_version_string
- #to_gem_version_with_patchlevel
- #to_s
- #versions_string

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No matching classes.

# Bundler::RubyVersion

### Constants

PATTERN

  @private

### Attributes

engine[R]
engine_gem_version[R]
engine_versions[R]
gem_version[R]
patchlevel[R]
versions[R]

### Public Class Methods

from_string(string) click to toggle source

Returns a `RubyVersion` from the given string. @param [String] the version string to match. @return [RubyVersion,Nil] The version if the string is a valid `RubyVersion`

    description, and nil otherwise.

                   # File bundler/ruby_version.rb, line 58
    def self.from_string(string)
      new($1, $2, $3, $4) if string =~ PATTERN
    end

new(versions, patchlevel, engine, engine_version) click to toggle source

                   # File bundler/ruby_version.rb, line 12
    def initialize(versions, patchlevel, engine, engine_version)
      # The parameters to this method must satisfy the
      # following constraints, which are verified in
      # the DSL:
      #
      # * If an engine is specified, an engine version
      #   must also be specified
      # * If an engine version is specified, an engine
      #   must also be specified
      # * If the engine is "ruby", the engine version
      #   must not be specified, or the engine version
      #   specified must match the version.

      @versions = Array(versions).map do |v|
        op, v = Gem::Requirement.parse(v)
        op == "=" ? v.to_s : "#{op} #{v}"
      end

      @gem_version        = Gem::Requirement.create(@versions.first).requirements.first.last
      @input_engine       = engine && engine.to_s
      @engine             = engine && engine.to_s || "ruby"
      @engine_versions    = (engine_version && Array(engine_version)) || @versions
      @engine_gem_version = Gem::Requirement.create(@engine_versions.first).requirements.first.last
      @patchlevel         = patchlevel
    end

system() click to toggle source

                   # File bundler/ruby_version.rb, line 104
    def self.system
      ruby_engine = RUBY_ENGINE.dup
      ruby_version = ENV.fetch("BUNDLER_SPEC_RUBY_VERSION") { RUBY_VERSION }.dup
      ruby_engine_version = RUBY_ENGINE_VERSION.dup
      patchlevel = RUBY_PATCHLEVEL.to_s

      @ruby_version ||= RubyVersion.new(ruby_version, patchlevel, ruby_engine, ruby_engine_version)
    end

### Public Instance Methods

==(other) click to toggle source

                   # File bundler/ruby_version.rb, line 66
    def ==(other)
      versions == other.versions &&
        engine == other.engine &&
        engine_versions == other.engine_versions &&
        patchlevel == other.patchlevel
    end

diff(other) click to toggle source

Returns a tuple of these things:

    [diff, this, other]
    The priority of attributes are
    1. engine
    2. ruby_version
    3. engine_version

                   # File bundler/ruby_version.rb, line 87
    def diff(other)
      raise ArgumentError, "Can only diff with a RubyVersion, not a #{other.class}" unless other.is_a?(RubyVersion)
      if engine != other.engine && @input_engine
        [:engine, engine, other.engine]
      elsif versions.empty? || !matches?(versions, other.gem_version)
        [:version, versions_string(versions), versions_string(other.versions)]
      elsif @input_engine && !matches?(engine_versions, other.engine_gem_version)
        [:engine_version, versions_string(engine_versions), versions_string(other.engine_versions)]
      elsif patchlevel && (!patchlevel.is_a?(String) || !other.patchlevel.is_a?(String) || !matches?(patchlevel, other.patchlevel))
        [:patchlevel, patchlevel, other.patchlevel]
      end
    end

exact?() click to toggle source

                   # File bundler/ruby_version.rb, line 121
    def exact?
      return @exact if defined?(@exact)
      @exact = versions.all? {|v| Gem::Requirement.create(v).exact? }
    end

host() click to toggle source

                   # File bundler/ruby_version.rb, line 73
    def host
      @host ||= [
        RbConfig::CONFIG["host_cpu"],
        RbConfig::CONFIG["host_vendor"],
        RbConfig::CONFIG["host_os"],
      ].join("-")
    end

single_version_string() click to toggle source

                   # File bundler/ruby_version.rb, line 62
    def single_version_string
      to_s(gem_version)
    end

to_gem_version_with_patchlevel() click to toggle source

                   # File bundler/ruby_version.rb, line 113
    def to_gem_version_with_patchlevel
      @gem_version_with_patch ||= begin
        Gem::Version.create("#{@gem_version}.#{@patchlevel}")
      rescue ArgumentError
        @gem_version
      end
    end

to_s(versions = self.versions) click to toggle source

                   # File bundler/ruby_version.rb, line 38
    def to_s(versions = self.versions)
      output = String.new("ruby #{versions_string(versions)}")
      output << "p#{patchlevel}" if patchlevel
      output << " (#{engine} #{versions_string(engine_versions)})" unless engine == "ruby"

      output
    end

versions_string(versions) click to toggle source

                   # File bundler/ruby_version.rb, line 100
    def versions_string(versions)
      Array(versions).join(", ")
    end