1 files changed, 43 insertions, 0 deletions
diff --git a/lib/bundler/vendor/pub_grub/lib/pub_grub/package.rb b/lib/bundler/vendor/pub_grub/lib/pub_grub/package.rb
new file mode 100644
index 0000000000..efb9d3da16
--- /dev/null
+++ b/lib/bundler/vendor/pub_grub/lib/pub_grub/package.rb
@@ -0,0 +1,43 @@
+# frozen_string_literal: true
+
+module Bundler::PubGrub
+  class Package
+
+    attr_reader :name
+
+    def initialize(name)
+      @name = name
+    end
+
+    def inspect
+      "#<#{self.class} #{name.inspect}>"
+    end
+
+    def <=>(other)
+      name <=> other.name
+    end
+
+    ROOT = Package.new(:root)
+    ROOT_VERSION = 0
+
+    def self.root
+      ROOT
+    end
+
+    def self.root_version
+      ROOT_VERSION
+    end
+
+    def self.root?(package)
+      if package.respond_to?(:root?)
+        package.root?
+      else
+        package == root
+      end
+    end
+
+    def to_s
+      name.to_s
+    end
+  end
+end