问不支持指定多个post_install挂钩的无效Podfile文件

EN

def multiple_post_install(flutter_application_path)
  #read podhelper from flutter_application_path
  flutter_podhelper = File.read(File.join(flutter_application_path, '.ios', 'Flutter', 'podhelper.rb'))

  #find the post_install end location by hardcoding
  post_install_string = 'post_install do |installer|'
  location = flutter_podhelper.index(post_install_string)
  location += post_install_string.length

  #declare your own hook func
  update_configs_func = %q[
  update_configs(installer)]

  #insert the func you declare
  flutter_podhelper.insert(location, update_configs_func)
  return flutter_podhelper
end

flutter_application_path = 'path/to/my_flutter/'
flutter_podhelper = multiple_post_install(flutter_application_path)
eval(flutter_podhelper, binding)

def update_configs(installer)
  #put your own custom code
end

def main_pods
pod 'CocoaLumberjack', '2.0.0'
pod 'MBProgressHUD', '0.9.1'

post_install do |installer_representation|
    installer_representation.pods_project.targets.each do |target|

        if target.name == 'Pods-AFNetworking'
            target.build_configurations.each do |config|
                config.build_settings['GCC_PREPROCESSOR_DEFINITIONS'] ||= ['$(inherited)']
                config.build_settings['GCC_PREPROCESSOR_DEFINITIONS'] << '_AFNETWORKING_ALLOW_INVALID_SSL_CERTIFICATES_=1'
            end
        end

    end
end