added subspecs into pod presenter [#164]

lib/cocoapods/command/presenter.rb

@@ -29,6 +29,7 @@ module Pod
         result << detail('License',  pod.license)         if @stats
         result << detail('Watchers', pod.github_watchers) if @stats
         result << detail('Forks',    pod.github_forks)    if @stats
+        result << detail('Sub specs', pod.subspecs)
         result
       end
 
@@ -40,12 +41,20 @@ module Pod
         txt.strip.gsub(/(.{1,#{col}})( +|$)\n?|(.{#{col}})/, indent + "\\1\\3\n")
       end
 
-      def detail(title, string, preferred_indentation = 8)
+      def detail(title, value, preferred_indentation = 8)
         # 8 is the length of Homepage
-        return '' if !string
+        return '' if !value
         number_of_spaces = ((preferred_indentation - title.length) > 0) ? (preferred_indentation - title.length) : 0
         spaces = ' ' * number_of_spaces
-        "    - #{title}: #{spaces + string}\n"
+        ''.tap do |t|
+          t << "    - #{title}:"
+          if value.class == Array
+            separator = "\n      - "
+            t << separator + value.join(separator)
+          else
+            t << " #{spaces + value}\n"
+          end
+        end
       end
     end
   end

lib/cocoapods/command/presenter/cocoa_pod.rb

@@ -52,6 +52,11 @@ module Pod
           spec.license[:type] if spec.license
         end
 
+        # will return array of all subspecs (recursevly) or nil
+        def subspecs
+          (spec.recursive_subspecs.any? && spec.recursive_subspecs) || nil
+        end
+
         # Statistics information
         def creation_date
           Pod::Specification::Statistics.instance.creation_date(@set)

lib/cocoapods/specification.rb

@@ -129,6 +129,22 @@ module Pod
     end
     attr_reader :subspecs
 
+    def recursive_subspecs
+      unless @recursive_subspecs
+        begin
+          mapper = lambda do |spec|
+            spec.subspecs.map do |subspec|
+              [subspec, *mapper.call(subspec)]
+            end.flatten
+          end
+          @recursive_subspecs = mapper.call self
+        rescue StandardError
+          @recursive_subspecs = []
+        end
+      end
+      @recursive_subspecs
+    end
+
     ### Attributes **with** multiple platform support
 
     class PlatformProxy

spec/functional/command/presenter_spec.rb

@@ -32,5 +32,11 @@ describe Pod::Command::Presenter do
     output.should.include? 'Watchers: 318'
     output.should.include? 'Forks:    42'
   end
+
+  it "should print at least one subspec" do
+    presenter = Presenter.new(argv())
+    output = presenter.describe(Pod::Spec::Set.new(fixture('spec-repos/master/RestKit')))
+    output.should.include? "RestKit/Network"
+  end
 end