Merge pull request #2501 from CocoaPods/feature/outdated

[Outdated] Refine pod outdated to show what pod update would do

CHANGELOG.md

@@ -4,6 +4,13 @@ To install or update CocoaPods see this [guide](http://docs.cocoapods.org/guides
 
 ## Master
 
+##### Enhancements
+
+* Make the output of `pod outdated` show what running `pod update` will do.
+  Takes into account the sources specified in the `Podfile`.  
+  [Samuel Giddins](https://github.com/segiddins)
+  [#2470](https://github.com/CocoaPods/CocoaPods/issues/2470)
+
 ##### Bug Fixes
 
 * Improved sanitizing of configuration names to avoid generating invalid

lib/cocoapods/command/outdated.rb

@@ -27,8 +27,9 @@ module Pod
           UI.puts 'No updates are available.'.yellow
         else
           UI.section 'The following updates are available:' do
-            updates.each do |(name, from_version, to_version)|
-              UI.puts "- #{name} #{from_version} -> #{to_version}"
+            updates.each do |(name, from_version, matching_version, to_version)|
+              UI.puts "- #{name} #{from_version} -> #{matching_version} " \
+                "(latest version #{to_version})"
             end
           end
         end
@@ -64,7 +65,10 @@ module Pod
             pod_name = spec.root.name
             lockfile_version = lockfile.version(pod_name)
             if source_version > lockfile_version
-              [pod_name, lockfile_version, source_version]
+              matching_spec = unlocked_pods.find { |s| s.name == pod_name }
+              matching_version =
+                matching_spec ? matching_spec.version : "(unused)"
+              [pod_name, lockfile_version, matching_version, source_version]
             else
               nil
             end
@@ -72,6 +76,18 @@ module Pod
         end
       end
 
+      def unlocked_pods
+        @unlocked_pods ||= begin
+          pods = []
+          UI.titled_section('Analyzing dependencies') do
+            pods = Installer::Analyzer.new(config.sandbox, config.podfile).
+              analyze(false).
+              specs_by_target.values.flatten.uniq
+          end
+          pods
+        end
+      end
+
       def deprecated_pods
         @deprecated_pods ||= begin
           spec_sets.map(&:specification).select do |spec|
@@ -82,7 +98,7 @@ module Pod
 
       def spec_sets
         @spec_sets ||= begin
-          aggregate = Source::Aggregate.new(analyzer.sources.map(&:name))
+          aggregate = Source::Aggregate.new(analyzer.sources)
           installed_pods.map do |pod_name|
             aggregate.search(Dependency.new(pod_name))
           end.compact.uniq

spec/functional/command/outdated_spec.rb

@@ -4,6 +4,10 @@ module Pod
   describe Command::Outdated do
     extend SpecHelper::TemporaryRepos
 
+    before do
+      Command::Outdated.any_instance.stubs(:unlocked_pods).returns([])
+    end
+
     it 'tells the user that no Podfile was found in the project dir' do
       exception = lambda { run_command('outdated', '--no-repo-update') }.should.raise Informative
       exception.message.should.include "No `Podfile' found in the project directory."