When operating on all pods, make them unique. Fixes #376.

lib/cocoapods/installer.rb

@@ -23,7 +23,7 @@ module Pod
         # Add all source files to the project grouped by pod
         pod.relative_source_files_by_spec.each do |spec, paths|
           parent_group = pod.local? ? @project.local_pods : @project.pods
-          group = @project.add_spec_to_group(pod.name, parent_group)
+          group = @project.add_spec_group(pod.name, parent_group)
           paths.each do |path|
             group.files.new('path' => path.to_s)
           end
@@ -186,7 +186,7 @@ module Pod
     # @return [Array<LocalPod>]  A list of LocalPod instances for each
     #                            dependency that is not a download-only one.
     def pods
-      pods_by_target.values.flatten
+      pods_by_target.values.flatten.uniq
     end
 
     def pods_by_target

lib/cocoapods/project.rb

@@ -40,11 +40,11 @@ module Pod
     end
 
     # Adds a group as child to the `Pods' group namespacing subspecs.
-    def add_spec_to_group(name, parent_group)
+    def add_spec_group(name, parent_group)
       groups = parent_group.groups
       group = nil
       name.split('/').each do |name|
-        group = groups.find { |g| g.name == name } || groups.new({ 'name' => name })
+        group = groups.find { |g| g.name == name } || groups.new('name' => name)
         groups = group.groups
       end
       group

Reachability @ 28e0d920

-Subproject commit 6116b0a386a0313d7183ea219be1b51d56962546
+Subproject commit 28e0d9209ab777d227783f1f0cad6ce096d0d6a8

spec/unit/installer_spec.rb

@@ -75,8 +75,8 @@ module Pod
         group.files.map(&:name).should == ["Reachability.h", "Reachability.m"]
       end
 
-      it "it list a pod only once" do
-        reachability_pods = @installer.pods.map(&:to_s).select{|s| s.include?('Reachability')}
+      it "lists a pod only once" do
+        reachability_pods = @installer.pods.map(&:to_s).select{|s| s.include?('Reachability') }
         reachability_pods.count.should == 1
       end
 

spec/unit/project_spec.rb

@@ -12,7 +12,7 @@ describe 'Pod::Project' do
   end
 
   it "adds a group to the `Pods' group" do
-    group = @project.add_spec_to_group('JSONKit', @project.pods)
+    group = @project.add_spec_group('JSONKit', @project.pods)
     @project.pods.child_references.should.include group.uuid
     find_object({
       'isa' => 'PBXGroup',
@@ -23,7 +23,7 @@ describe 'Pod::Project' do
   end
 
   it "namespaces subspecs in groups" do
-    group = @project.add_spec_to_group('JSONKit/Subspec', @project.pods)
+    group = @project.add_spec_group('JSONKit/Subspec', @project.pods)
     @project.pods.groups.find { |g| g.name == 'JSONKit' }.child_references.should.include group.uuid
     find_object({
       'isa' => 'PBXGroup',