Remove Exported Symbols command (#46)

lib/commands/autofixes/exported_symbols.rb

@@ -0,0 +1,62 @@
+require 'dry/cli'
+require 'xcodeproj'
+
+module EmergeCLI
+  module Commands
+    module Autofixes
+      class ExportedSymbols < EmergeCLI::Commands::GlobalOptions
+        desc 'Remove exported symbols from built binaries'
+
+        option :path, type: :string, required: true, desc: 'Path to the xcarchive'
+
+        # Constants
+        DEFAULT_EXPORTED_SYMBOLS = %(_main
+__mh_execute_header).freeze
+        EXPORTED_SYMBOLS_FILE = 'EXPORTED_SYMBOLS_FILE'.freeze
+        EXPORTED_SYMBOLS_PATH = '$(SRCROOT)/EmergeToolsHelperFiles/ExportedSymbols'.freeze
+        EXPORTED_SYMBOLS_FILE_NAME = 'ExportedSymbols'.freeze
+        EMERGE_TOOLS_GROUP = 'EmergeToolsHelperFiles'.freeze
+
+        def call(**options)
+          @options = options
+          before(options)
+
+          raise 'Path must be an xcodeproj' unless @options[:path].end_with?('.xcodeproj')
+          raise 'Path does not exist' unless File.exist?(@options[:path])
+
+          Sync do
+            project = Xcodeproj::Project.open(@options[:path])
+
+            # Add the exported symbols file to the project
+            group = project.main_group
+            emergetools_group = group.find_subpath(EMERGE_TOOLS_GROUP, true)
+            emergetools_group.set_path(EMERGE_TOOLS_GROUP)
+
+            unless emergetools_group.find_file_by_path(EXPORTED_SYMBOLS_FILE_NAME)
+              emergetools_group.new_file(EXPORTED_SYMBOLS_FILE_NAME)
+            end
+
+            # Create Folder if it doesn't exist
+
+            FileUtils.mkdir_p(File.join(File.dirname(@options[:path]), EMERGE_TOOLS_GROUP))
+
+            # Create the exported symbols file
+            path = File.join(File.dirname(@options[:path]), EMERGE_TOOLS_GROUP, EXPORTED_SYMBOLS_FILE_NAME)
+            File.write(path, DEFAULT_EXPORTED_SYMBOLS)
+
+            project.targets.each do |target|
+              # Only do it for app targets
+              next unless target.product_type == 'com.apple.product-type.application'
+
+              target.build_configurations.each do |config|
+                config.build_settings[EXPORTED_SYMBOLS_FILE] = EXPORTED_SYMBOLS_PATH
+              end
+            end
+
+            project.save
+          end
+        end
+      end
+    end
+  end
+end

lib/emerge_cli.rb

@@ -18,6 +18,7 @@
 require_relative 'commands/build_distribution/validate_app'
 require_relative 'commands/build_distribution/download_and_install'
 require_relative 'commands/autofixes/minify_strings'
+require_relative 'commands/autofixes/exported_symbols'
 
 require_relative 'reaper/ast_parser'
 require_relative 'reaper/code_deleter'
@@ -72,6 +73,7 @@ module EmergeCLI
 
   register 'autofix' do |prefix|
     prefix.register 'minify-strings', Commands::Autofixes::MinifyStrings
+    prefix.register 'exported-symbols', Commands::Autofixes::ExportedSymbols
   end
 end
 

test/commands/autofixes/exported_symbols_test.rb

@@ -0,0 +1,49 @@
+require 'test_helper'
+
+module EmergeCLI
+  module Commands
+    module Autofixes
+      class ExportedSymbolsTest < Minitest::Test
+        EMERGE_TOOLS_GROUP = 'EmergeToolsHelperFiles'.freeze
+        EXPORTED_SYMBOLS_FILE = 'EXPORTED_SYMBOLS_FILE'.freeze
+        EXPORTED_SYMBOLS_PATH = '$(SRCROOT)/EmergeToolsHelperFiles/ExportedSymbols'.freeze
+        DEFAULT_EXPORTED_SYMBOLS = %(_main
+__mh_execute_header).freeze
+
+        def setup
+          @command = EmergeCLI::Commands::Autofixes::ExportedSymbols.new
+
+          FileUtils.mkdir_p('tmp/test_autofix_exported_symbols')
+          FileUtils.cp_r('test/test_files/ExampleApp.xcodeproj',
+                         'tmp/test_autofix_exported_symbols/ExampleApp.xcodeproj')
+        end
+
+        def teardown
+          FileUtils.rm_rf('tmp/test_autofix_exported_symbols')
+        end
+
+        def test_exported_symbols_is_set
+          options = {
+            path: 'tmp/test_autofix_exported_symbols/ExampleApp.xcodeproj'
+          }
+
+          @command.call(**options)
+
+          project = Xcodeproj::Project.open('tmp/test_autofix_exported_symbols/ExampleApp.xcodeproj')
+          group = project.main_group
+
+          emergetools_group = group.find_subpath(EMERGE_TOOLS_GROUP, false)
+          assert !emergetools_group.nil?
+
+          project.targets[0].build_configurations.each do |config|
+            assert_equal EXPORTED_SYMBOLS_PATH, config.build_settings[EXPORTED_SYMBOLS_FILE]
+          end
+
+          file_path = 'tmp/test_autofix_exported_symbols/EmergeToolsHelperFiles/ExportedSymbols'
+          assert File.exist?(file_path)
+          assert_equal DEFAULT_EXPORTED_SYMBOLS, File.read(file_path)
+        end
+      end
+    end
+  end
+end