scaffoldOverExistingTarget example

// Build the list of ScaffoldFileInfo objects by project.     foreach ($file_mappings as $package_name => $package_file_mappings) {
      foreach ($package_file_mappings as $destination_rel_path => $op) {
        $destination = ScaffoldFilePath::destinationPath($package_name, $destination_rel_path, $location_replacements);

        // If there was already a scaffolding operation happening at this path,         // allow the new operation to decide how to handle the override.         // Usually, the new operation will replace whatever was there before.         if (isset($scaffoldFiles[$destination_rel_path])) {
          $previous_scaffold_file = $scaffoldFiles[$destination_rel_path];
          $op = $op->scaffoldOverExistingTarget($previous_scaffold_file->op());

          // Remove the previous op so we only touch the destination once.           $message = " - Skip <info>[dest-rel-path]</info>: overridden in <comment>{$package_name}</comment>";
          $this->scaffoldFilesByProject[$previous_scaffold_file->packageName()][$destination_rel_path] = new ScaffoldFileInfo($destination, new SkipOp($message));
        }
        // If there is NOT already a scaffolding operation happening at this         // path, notify the scaffold operation of this fact.         else {
          $op = $op->scaffoldAtNewLocation($destination);
        }