Update bundled bundler to 1.16.0.

  * 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

1 files changed, 36 insertions, 0 deletions

diff --git a/lib/bundler/build_metadata.rb b/lib/bundler/build_metadata.rb
new file mode 100644
index 0000000000..54436f982d
--- /dev/null
+++ b/lib/bundler/build_metadata.rb
@@ -0,0 +1,36 @@
+# frozen_string_literal: true
+
+module Bundler
+  # Represents metadata from when the Bundler gem was built.
+  module BuildMetadata
+    # begin ivars
+    @release = false
+    # end ivars
+
+    # A hash representation of the build metadata.
+    def self.to_h
+      {
+        "Built At" => built_at,
+        "Git SHA" => git_commit_sha,
+        "Released Version" => release?,
+      }
+    end
+
+    # A string representing the date the bundler gem was built.
+    def self.built_at
+      @built_at ||= Time.now.utc.strftime("%Y-%m-%d").freeze
+    end
+
+    # The SHA for the git commit the bundler gem was built from.
+    def self.git_commit_sha
+      @git_commit_sha ||= Dir.chdir(File.expand_path("..", __FILE__)) do
+        `git rev-parse --short HEAD`.strip.freeze
+      end
+    end
+
+    # Whether this is an official release build of Bundler.
+    def self.release?
+      @release
+    end
+  end
+end