ArgumentError -> Informative

lib/cocoapods/installer/analyzer.rb

@@ -273,7 +273,7 @@ module Pod
           end
         end
         unless extension_targets_missing_hosts.empty?
-          raise ArgumentError, "Unable to find host target for #{extension_targets_missing_hosts.map(&:name).join(', ')}. Please add the extension's host targets to the Podfile."
+          raise Informative, "Unable to find host target for #{extension_targets_missing_hosts.map(&:name).join(', ')}. Please add the extension's host targets to the Podfile."
         end
       end
 

spec/unit/installer/analyzer_spec.rb

@@ -723,7 +723,7 @@ module Pod
             end
           end
           analyzer = Pod::Installer::Analyzer.new(config.sandbox, podfile)
-          should.raise ArgumentError do
+          should.raise Informative do
             analyzer.analyze
           end.message.should.equal "Unable to find host target for Pods-Today Extension. Please add the extension's host targets to the Podfile."
         end