module Gem::BundlerVersionFinder

Public Class Methods

bundler_version() click to toggle source
# File lib/rubygems/bundler_version_finder.rb, line 11
def self.bundler_version
  version, _ = bundler_version_with_reason

  return unless version

  Gem::Version.new(version)
end
bundler_version_with_reason() click to toggle source
# File lib/rubygems/bundler_version_finder.rb, line 19
def self.bundler_version_with_reason
  return if @without_filtering

  if v = ENV["BUNDLER_VERSION"]
    return [v, "`$BUNDLER_VERSION`"]
  end
  if v = bundle_update_bundler_version
    return if v == true
    return [v, "`bundle update --bundler`"]
  end
  v, lockfile = lockfile_version
  if v
    return [v, "your #{lockfile}"]
  end
end
compatible?(spec) click to toggle source
# File lib/rubygems/bundler_version_finder.rb, line 44
def self.compatible?(spec)
  return true unless spec.name == "bundler".freeze
  return true unless bundler_version = self.bundler_version
  if bundler_version.segments.first >= 2
    spec.version == bundler_version
  else # 1.x
    spec.version.segments.first < 2
  end
end
filter!(specs) click to toggle source
# File lib/rubygems/bundler_version_finder.rb, line 54
def self.filter!(specs)
  return unless bundler_version = self.bundler_version
  if bundler_version.segments.first >= 2
    specs.reject! { |spec| spec.version != bundler_version }
  else # 1.x
    specs.reject! { |spec| spec.version.segments.first >= 2}
  end
end
missing_version_message() click to toggle source
# File lib/rubygems/bundler_version_finder.rb, line 35
  def self.missing_version_message
    return unless vr = bundler_version_with_reason
    <<-EOS
Could not find 'bundler' (#{vr.first}) required by #{vr.last}.
To update to the lastest version installed on your system, run `bundle update --bundler`.
To install the missing version, run `gem install bundler:#{vr.first}`
    EOS
  end
without_filtering() { || ... } click to toggle source
# File lib/rubygems/bundler_version_finder.rb, line 4
def self.without_filtering
  without_filtering, @without_filtering = true, @without_filtering
  yield
ensure
  @without_filtering = without_filtering
end

Private Class Methods

bundle_update_bundler_version() click to toggle source
# File lib/rubygems/bundler_version_finder.rb, line 63
def self.bundle_update_bundler_version
  return unless File.basename($0) == "bundle".freeze
  return unless "update".start_with?(ARGV.first || " ")
  bundler_version = nil
  update_index = nil
  ARGV.each_with_index do |a, i|
    if update_index && update_index.succ == i && a =~ Gem::Version::ANCHORED_VERSION_PATTERN
      bundler_version = a
    end
    next unless a =~ /\A--bundler(?:[= ](#{Gem::Version::VERSION_PATTERN}))?\z/
    bundler_version = $1 || true
    update_index = i
  end
  bundler_version
end
lockfile_contents() click to toggle source
# File lib/rubygems/bundler_version_finder.rb, line 90
def self.lockfile_contents
  gemfile = ENV["BUNDLE_GEMFILE"]
  gemfile = nil if gemfile && gemfile.empty?
  Gem::Util.traverse_parents Dir.pwd do |directory|
    next unless gemfile = Gem::GEM_DEP_FILES.find { |f| File.file?(f.untaint) }

    gemfile = File.join directory, gemfile
    break
  end unless gemfile

  return unless gemfile

  lockfile = case gemfile
  when "gems.rb" then "gems.locked"
  else "#{gemfile}.lock"
  end.untaint

  return unless File.file?(lockfile)

  [lockfile, File.read(lockfile)]
end
lockfile_version() click to toggle source
# File lib/rubygems/bundler_version_finder.rb, line 80
def self.lockfile_version
  return unless lockfile = lockfile_contents
  lockfile, contents = lockfile
  lockfile ||= "lockfile"
  regexp = /\n\nBUNDLED WITH\n\s{2,}(#{Gem::Version::VERSION_PATTERN})\n/
  return unless contents =~ regexp
  [$1, lockfile]
end