[rubygems/rubygems] standardize pretty-print output for Gem::Source and subclasses

6d5fbf82f1

lib/rubygems/source/git.rb

@@ -157,12 +157,14 @@ class Gem::Source::Git < Gem::Source
   end
 
   def pretty_print(q) # :nodoc:
-    q.group 2, "[Git: ", "]" do
-      q.breakable
-      q.text @repository
+    q.object_group(self) do
+      q.group 2, "[Git: ", "]" do
+        q.breakable
+        q.text @repository
 
-      q.breakable
-      q.text @reference
+        q.breakable
+        q.text @reference
+      end
     end
   end
 

lib/rubygems/source/installed.rb

@@ -32,6 +32,8 @@ class Gem::Source::Installed < Gem::Source
   end
 
   def pretty_print(q) # :nodoc:
-    q.text "[Installed]"
+    q.object_group(self) do
+      q.text "[Installed]"
+    end
   end
 end

lib/rubygems/source/local.rb

@@ -117,10 +117,14 @@ class Gem::Source::Local < Gem::Source
   end
 
   def pretty_print(q) # :nodoc:
-    q.group 2, "[Local gems:", "]" do
-      q.breakable
-      q.seplist @specs.keys do |v|
-        q.text v.full_name
+    q.object_group(self) do
+      q.group 2, "[Local gems:", "]" do
+        q.breakable
+        if @specs
+          q.seplist @specs.keys do |v|
+            q.text v.full_name
+          end
+        end
       end
     end
   end

lib/rubygems/source/specific_file.rb

@@ -42,9 +42,11 @@ class Gem::Source::SpecificFile < Gem::Source
   end
 
   def pretty_print(q) # :nodoc:
-    q.group 2, "[SpecificFile:", "]" do
-      q.breakable
-      q.text @path
+    q.object_group(self) do
+      q.group 2, "[SpecificFile:", "]" do
+        q.breakable
+        q.text @path
+      end
     end
   end