[RuboCop] Fix violations

lib/cocoapods/generator/module_map.rb

@@ -13,7 +13,7 @@ module Pod
       attr_reader :headers
 
       Header = Struct.new(:path, :umbrella, :private, :textual, :size, :mtime) do
-        alias private? private
+        alias_method :private?, :private
         def to_s
           [
             (:private if private?),
@@ -22,14 +22,14 @@ module Pod
             'header',
             %("#{path}"),
             attrs,
-        ].compact.join(' ')
+          ].compact.join(' ')
         end
 
         def attrs
           attrs = {
             'size' => size,
             'mtime' => mtime,
-          }.reject {|k,v| v.nil? }
+          }.reject { |_k, v| v.nil? }
           return nil if attrs.empty?
           attrs.to_s
         end

lib/cocoapods/installer/xcode/pods_project_generator/pod_target_installer.rb

@@ -101,7 +101,6 @@ module Pod
               settings['SWIFT_VERSION'] = target.swift_version
             end
 
-
             settings
           end
 
@@ -702,14 +701,14 @@ module Pod
               ditto "${PODS_ROOT}/#{target.module_map_path.relative_path_from(target.sandbox.root)}" "${MODULE_MAP_PATH}"
               printf "\\n\\nmodule ${PRODUCT_MODULE_NAME}.Swift {\\n  header \\"${COMPATIBILITY_HEADER_PATH}\\"\\n  requires objc\\n}\\n" >> "${MODULE_MAP_PATH}"
             SH
-            build_phase.input_paths = %W[
+            build_phase.input_paths = %W(
               ${DERIVED_SOURCES_DIR}/${PRODUCT_MODULE_NAME}-Swift.h
               ${PODS_ROOT}/#{target.module_map_path.relative_path_from(target.sandbox.root)}
-            ]
-            build_phase.output_paths = %W[
+            )
+            build_phase.output_paths = %w(
               ${BUILT_PRODUCTS_DIR}/${PRODUCT_MODULE_NAME}.modulemap
               ${BUILT_PRODUCTS_DIR}/Swift\ Compatibility\ Header/${PRODUCT_MODULE_NAME}-Swift.h
-            ]
+            )
           end
 
           #-----------------------------------------------------------------------#

lib/cocoapods/installer/xcode/pods_project_generator/target_installer.rb

@@ -75,7 +75,7 @@ module Pod
           #
           def custom_build_settings
             settings = {
-              'PRODUCT_NAME' => target.product_module_name
+              'PRODUCT_NAME' => target.product_module_name,
             }
 
             unless target.archs.empty?