add tag v2_2_9

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v2_2_9@61257 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 84 insertions, 0 deletions

diff --git a/ruby_2_2/lib/rubygems/resolver/lock_specification.rb b/ruby_2_2/lib/rubygems/resolver/lock_specification.rb
new file mode 100644
index 0000000000..0013171469
--- /dev/null
+++ b/ruby_2_2/lib/rubygems/resolver/lock_specification.rb
@@ -0,0 +1,84 @@
+##
+# The LockSpecification comes from a lockfile (Gem::RequestSet::Lockfile).
+#
+# A LockSpecification's dependency information is pre-filled from the
+# lockfile.
+
+class Gem::Resolver::LockSpecification < Gem::Resolver::Specification
+
+  def initialize set, name, version, source, platform
+    super()
+
+    @name     = name
+    @platform = platform
+    @set      = set
+    @source   = source
+    @version  = version
+
+    @dependencies = []
+    @spec         = nil
+  end
+
+  ##
+  # This is a null install as a locked specification is considered installed.
+  # +options+ are ignored.
+
+  def install options = {}
+    destination = options[:install_dir] || Gem.dir
+
+    if File.exist? File.join(destination, 'specifications', spec.spec_name) then
+      yield nil
+      return
+    end
+
+    super
+  end
+
+  ##
+  # Adds +dependency+ from the lockfile to this specification
+
+  def add_dependency dependency # :nodoc:
+    @dependencies << dependency
+  end
+
+  def pretty_print q # :nodoc:
+    q.group 2, '[LockSpecification', ']' do
+      q.breakable
+      q.text "name: #{@name}"
+
+      q.breakable
+      q.text "version: #{@version}"
+
+      unless @platform == Gem::Platform::RUBY then
+        q.breakable
+        q.text "platform: #{@platform}"
+      end
+
+      unless @dependencies.empty? then
+        q.breakable
+        q.text 'dependencies:'
+        q.breakable
+        q.pp @dependencies
+      end
+    end
+  end
+
+  ##
+  # A specification constructed from the lockfile is returned
+
+  def spec
+    @spec ||= Gem::Specification.find { |spec|
+      spec.name == @name and spec.version == @version
+    }
+
+    @spec ||= Gem::Specification.new do |s|
+      s.name     = @name
+      s.version  = @version
+      s.platform = @platform
+
+      s.dependencies.concat @dependencies
+    end
+  end
+
+end
+