Merge pull request #4818 from CocoaPods/fix-analyzer-crash

[Analyzer] Fix #4751

CHANGELOG.md

@@ -10,6 +10,10 @@ To install release candidates run `[sudo] gem install cocoapods --pre`
 
 ##### Bug Fixes
 
+* Fix a crash in the analyzer when target deduplication is deactivated.
+  [Marius Rackwitz](https://github.com/mrackwitz)
+  [#4751](https://github.com/CocoaPods/CocoaPods/issues/4751)
+
 * Handle CoreData mapping models with recursive resource globs.
   [Eric Firestone](https://github.com/efirestone)
   [#4809](https://github.com/CocoaPods/CocoaPods/pull/4809)

lib/cocoapods/installer/analyzer.rb

@@ -286,9 +286,8 @@ module Pod
       # @return [Array<PodTarget>]
       #
       def generate_pod_targets(specs_by_target)
+        dedupe_cache = {}
         if installation_options.deduplicate_targets?
-          dedupe_cache = {}
-
           all_specs = specs_by_target.flat_map do |target_definition, dependent_specs|
             dependent_specs.group_by(&:root).map do |root_spec, specs|
               [root_spec, specs, target_definition]

spec/unit/installer/analyzer_spec.rb

@@ -244,6 +244,33 @@ module Pod
             Pods-SampleProject/Pods-SampleProject-monkey
           ).sort
         end
+
+        it "doesn't deduplicate targets when deduplication is disabled" do
+          podfile = Pod::Podfile.new do
+            install! 'cocoapods', :deduplicate_targets => false
+
+            source SpecHelper.test_repo_url
+            platform :ios, '6.0'
+            xcodeproj 'SampleProject/SampleProject'
+
+            pod 'BananaLib'
+
+            target 'SampleProject' do
+              target 'TestRunner' do
+                pod 'BananaLib'
+              end
+            end
+          end
+          analyzer = Pod::Installer::Analyzer.new(config.sandbox, podfile)
+          analyzer.analyze
+
+          analyzer.analyze.targets.flat_map { |at| at.pod_targets.map { |pt| "#{at.name}/#{pt.name}" } }.sort.should == %w(
+            Pods-SampleProject-TestRunner/Pods-SampleProject-TestRunner-BananaLib
+            Pods-SampleProject-TestRunner/Pods-SampleProject-TestRunner-monkey
+            Pods-SampleProject/Pods-SampleProject-BananaLib
+            Pods-SampleProject/Pods-SampleProject-monkey
+          ).sort
+        end
       end
 
       it 'generates the integration library appropriately if the installation will not integrate' do