Fix more specs on an environment with bundler head as a default gem

lib/bundler/source/metadata.rb

@@ -18,6 +18,8 @@ def specs
             s.source   = self
             s.authors  = ["bundler team"]
             s.bindir   = "exe"
+            s.homepage = "https://bundler.io"
+            s.summary  = "The best way to manage your application's dependencies"
             s.executables = %w[bundle]
             # can't point to the actual gemspec or else the require paths will be wrong
             s.loaded_from = File.expand_path("..", __FILE__)

spec/commands/show_spec.rb

@@ -68,10 +68,23 @@
     it "prints summary of gems" do
       bundle "show --verbose"
 
-      expect(out).to include("* actionmailer (2.3.2)")
-      expect(out).to include("\tSummary:  This is just a fake gem for testing")
-      expect(out).to include("\tHomepage: No website available.")
-      expect(out).to include("\tStatus:   Up to date")
+      expect(out).to include <<~MSG
+        * actionmailer (2.3.2)
+        \tSummary:  This is just a fake gem for testing
+        \tHomepage: http://example.com
+        \tStatus:   Up to date
+      MSG
+    end
+
+    it "includes bundler in the summary of gems" do
+      bundle "show --verbose"
+
+      expect(out).to include <<~MSG
+        * bundler (#{Bundler::VERSION})
+        \tSummary:  The best way to manage your application's dependencies
+        \tHomepage: https://bundler.io
+        \tStatus:   Up to date
+      MSG
     end
   end