[Installer] Respect config.clean?

lib/cocoapods/installer.rb

@@ -243,7 +243,6 @@ module Pod
 
       @pod_installers ||= []
       pod_installer = PodSourceInstaller.new(sandbox, specs_by_platform)
-      pod_installer.clean = config.clean?
       pod_installer.aggressive_cache = config.aggressive_cache?
       pod_installer.generate_docs = config.generate_docs?
       pod_installer.install_docs = config.install_docs?
@@ -252,7 +251,12 @@ module Pod
       @installed_specs.concat(specs_by_platform.values.flatten)
     end
 
+    # Cleans the sources of the Pods if the config instructs to do so.
+    #
+    # @todo Why the @pod_installers might be empty?
+    #
     def clean_pod_sources
+      return unless config.clean?
       return unless @pod_installers
       @pod_installers.each do |pod_installer|
         pod_installer.clean!

lib/cocoapods/installer/pod_source_installer.rb

@@ -24,7 +24,6 @@ module Pod
         @sandbox = sandbox
         @specs_by_platform = specs_by_platform
 
-        @clean            = true
         @generate_docs    = false
         @install_docs     = false
         @aggressive_cache = false
@@ -42,12 +41,6 @@ module Pod
 
       # @!group Configuration
 
-      # @return [Bool] whether the file not used by CocoaPods should be
-      #         removed.
-      #
-      attr_accessor :clean
-      alias_method  :clean?, :clean
-
       # @return [Bool] whether the documentation should be generated for the
       #         Pod.
       #
@@ -92,7 +85,7 @@ module Pod
       # @return [void]
       #
       def clean!
-        clean_installation  if clean? && !local?
+        clean_installation  if !local?
       end
 
       # @return [Hash]
@@ -133,10 +126,6 @@ module Pod
       # @return [void]
       #
       def generate_docs
-        if @cleaned
-          raise Informative, "Attempt to generate the documentation from a cleaned Pod."
-        end
-
         if documentation_generator.already_installed?
           UI.section " > Using existing documentation"
         else
@@ -153,7 +142,6 @@ module Pod
       #
       def clean_installation
         clean_paths.each { |path| FileUtils.rm_rf(path) }
-        @cleaned = true
       end
 
       #-----------------------------------------------------------------------#

spec/unit/installer/pod_source_installer_spec.rb

@@ -14,10 +14,6 @@ module Pod
 
     describe "In General" do
 
-      it "cleans by default" do
-        @installer.should.clean?
-      end
-
       it "doesn't generate docs by default" do
         @installer.should.not.generate_docs?
       end
@@ -105,7 +101,6 @@ module Pod
       describe "Cleaning" do
 
         it "cleans the paths non used by the installation" do
-          @installer.clean = true
           @installer.install!
           @installer.clean!
           unused_file = config.sandbox.root + 'BananaLib/sub-dir/sub-dir-2/somefile.txt'
@@ -113,21 +108,12 @@ module Pod
         end
 
         it "preserves important files like the LICENSE and the README" do
-          @installer.clean = true
           @installer.install!
           @installer.clean!
           readme_file = config.sandbox.root + 'BananaLib/README'
           readme_file.should.exist
         end
 
-        it "doesn't performs any cleaning if instructed to do so" do
-          @installer.clean = false
-          @installer.install!
-          @installer.clean!
-          unused_file = config.sandbox.root + 'BananaLib/sub-dir/sub-dir-2/somefile.txt'
-          unused_file.should.exist
-        end
-
       end
 
       #--------------------------------------#

spec/unit/installer_spec.rb

@@ -181,8 +181,21 @@ module Pod
           @installer.installed_specs.should == [spec]
         end
 
-      end
+        #--------------------------------------#
+
+        describe "#clean" do
 
+          it "it cleans only if the config instructs to do it" do
+            config.clean = false
+            @installer.send(:clean_pod_sources)
+            Installer::PodSourceInstaller.any_instance.expects(:install!).never
+          end
+
+        end
+
+        #--------------------------------------#
+
+      end
     end
 
     #-------------------------------------------------------------------------#