[Fastlane.Swift] Swift fastlane does not run on Apple Silicon fastlan…

…e#18502

* [Swift] Integrate the required steps to only upgrade the Xcode project build phase and flags needed.

fastlane/lib/fastlane/swift_runner_upgrader.rb

@@ -45,6 +45,8 @@ def initialize
     end
 
     def upgrade_if_needed!(dry_run: false)
+      upgraded = add_missing_flags!(dry_run: dry_run)
+      upgraded = add_missing_copy_phase!(dry_run: dry_run)
       upgraded = add_missing_groups_and_files!(dry_run: dry_run)
       upgraded = upgrade_files!(dry_run: dry_run) || upgraded
       upgraded = add_new_files_to_groups! || upgraded
@@ -208,5 +210,57 @@ def add_missing_groups_and_files!(dry_run: false)
 
       return true # yup, we definitely updated groups
     end
+
+    # adds build_settings flags to fastlane_runner_target
+    def add_missing_flags!(dry_run: false)
+      # Check if upgrade is needed
+      # If fastlane build settings exists already, we don't need any more changes to the Xcode project
+      self.fastlane_runner_target.build_configurations.each { |config| 
+        return false if dry_run && config.build_settings["CODE_SIGN_IDENTITY"].nil?
+        return false if dry_run && config.build_settings["MACOSX_DEPLOYMENT_TARGET"].nil?
+      }
+      return true if dry_run
+
+      # Proceed to upgrade
+      self.fastlane_runner_target.build_configurations.each { |config| 
+        config.build_settings["CODE_SIGN_IDENTITY"] = "-"
+        config.build_settings["MACOSX_DEPLOYMENT_TARGET"] = "10.12"
+      }
+      target_project.save()
+    end
+
+    # adds new copy files build phase to fastlane_runner_target
+    def add_missing_copy_phase!(dry_run: false)
+      # Check if upgrade is needed
+      # If fastlane copy files build phase exists already, we don't need any more changes to the Xcode project
+      phase_copy_sign = self.fastlane_runner_target.copy_files_build_phases.select { |phase_copy| phase_copy.name == "FastlaneRunnerCopySigned" }.first
+
+      old_phase_copy_sign = self.fastlane_runner_target.shell_script_build_phases.select { |phase_copy| phase_copy.shell_script == "cd \"${SRCROOT}\"\ncd ../..\ncp \"${TARGET_BUILD_DIR}/${EXECUTABLE_PATH}\" .\n" }.first
+      unless phase_copy_sign
+        return false if dry_run
+      end
+
+      return true if dry_run
+
+      # Proceed to upgrade
+      old_phase_copy_sign.remove_from_project() unless old_phase_copy_sign.nil?
+
+      unless phase_copy_sign
+        # Create a copy files build phase
+        phase_copy_sign = self.fastlane_runner_target.new_copy_files_build_phase("FastlaneRunnerCopySigned")
+        phase_copy_sign.dst_path = "$SRCROOT/../.."
+        phase_copy_sign.dst_subfolder_spec = "0"
+        phase_copy_sign.run_only_for_deployment_postprocessing = "0"
+        targetBinaryReference = self.fastlane_runner_target.product_reference
+        phase_copy_sign.add_file_reference(targetBinaryReference)
+
+        # Set "Code sign on copy" flag on Xcode for fastlane_runner_target 
+        targetBinaryReference.build_files.each { |targetBinaryBuildFileReference|
+          targetBinaryBuildFileReference.settings = {"ATTRIBUTES": ["CodeSignOnCopy"]}
+        } 
+      end
+
+      target_project.save()
+    end
   end
 end