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# Copyright 2014 The Flutter Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
require 'json'
# Minimum CocoaPods Ruby version is 2.0.
# Don't depend on features newer than that.
# Hook for Podfile setup, installation settings.
#
# @example
# flutter_ios_podfile_setup
# target 'Runner' do
# ...
# end
def flutter_ios_podfile_setup
end
# Same as flutter_ios_podfile_setup for macOS.
def flutter_macos_podfile_setup
end
# Add iOS build settings to pod targets.
#
# @example
# post_install do |installer|
# installer.pods_project.targets.each do |target|
# flutter_additional_ios_build_settings(target)
# end
# end
# @param [PBXAggregateTarget] target Pod target.
def flutter_additional_ios_build_settings(target)
return unless target.platform_name == :ios
# [target.deployment_target] is a [String] formatted as "8.0".
inherit_deployment_target = target.deployment_target[/\d+/].to_i < 11
# This podhelper script is at $FLUTTER_ROOT/packages/flutter_tools/bin.
# Add search paths from $FLUTTER_ROOT/bin/cache/artifacts/engine.
artifacts_dir = File.join('..', '..', '..', '..', 'bin', 'cache', 'artifacts', 'engine')
debug_framework_dir = File.expand_path(File.join(artifacts_dir, 'ios', 'Flutter.xcframework'), __FILE__)
unless Dir.exist?(debug_framework_dir)
# iOS artifacts have not been downloaded.
raise "#{debug_framework_dir} must exist. If you're running pod install manually, make sure \"flutter precache --ios\" is executed first"
end
release_framework_dir = File.expand_path(File.join(artifacts_dir, 'ios-release', 'Flutter.xcframework'), __FILE__)
# Bundles are com.apple.product-type.bundle, frameworks are com.apple.product-type.framework.
target_is_resource_bundle = target.respond_to?(:product_type) && target.product_type == 'com.apple.product-type.bundle'
target.build_configurations.each do |build_configuration|
# Build both x86_64 and arm64 simulator archs for all dependencies. If a single plugin does not support arm64 simulators,
# the app and all frameworks will fall back to x86_64. Unfortunately that case is not detectable in this script.
# Therefore all pods must have a x86_64 slice available, or linking a x86_64 app will fail.
build_configuration.build_settings['ONLY_ACTIVE_ARCH'] = 'NO' if build_configuration.type == :debug
# Workaround https://github.com/CocoaPods/CocoaPods/issues/11402, do not sign resource bundles.
if target_is_resource_bundle
build_configuration.build_settings['CODE_SIGNING_ALLOWED'] = 'NO'
build_configuration.build_settings['CODE_SIGNING_REQUIRED'] = 'NO'
build_configuration.build_settings['CODE_SIGNING_IDENTITY'] = '-'
build_configuration.build_settings['EXPANDED_CODE_SIGN_IDENTITY'] = '-'
end
# Skip other updates if it's not a Flutter plugin (transitive dependency).
next unless target.dependencies.any? { |dependency| dependency.name == 'Flutter' }
# Profile can't be derived from the CocoaPods build configuration. Use release framework (for linking only).
configuration_engine_dir = build_configuration.type == :debug ? debug_framework_dir : release_framework_dir
Dir.new(configuration_engine_dir).each_child do |xcframework_file|
next if xcframework_file.start_with?(".") # Hidden file, possibly on external disk.
if xcframework_file.end_with?("-simulator") # ios-arm64_x86_64-simulator
build_configuration.build_settings['FRAMEWORK_SEARCH_PATHS[sdk=iphonesimulator*]'] = "\"#{configuration_engine_dir}/#{xcframework_file}\" $(inherited)"
elsif xcframework_file.start_with?("ios-") # ios-arm64
build_configuration.build_settings['FRAMEWORK_SEARCH_PATHS[sdk=iphoneos*]'] = "\"#{configuration_engine_dir}/#{xcframework_file}\" $(inherited)"
else
# Info.plist or another platform.
end
end
build_configuration.build_settings['OTHER_LDFLAGS'] = '$(inherited) -framework Flutter'
build_configuration.build_settings['CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER'] = 'NO'
# Suppress warning when pod supports a version lower than the minimum supported by Xcode (Xcode 12 - iOS 9).
# This warning is harmless but confusing--it's not a bad thing for dependencies to support a lower version.
# When deleted, the deployment version will inherit from the higher version derived from the 'Runner' target.
# If the pod only supports a higher version, do not delete to correctly produce an error.
build_configuration.build_settings.delete 'IPHONEOS_DEPLOYMENT_TARGET' if inherit_deployment_target
# Override legacy Xcode 11 style VALID_ARCHS[sdk=iphonesimulator*]=x86_64 and prefer Xcode 12 EXCLUDED_ARCHS.
build_configuration.build_settings['VALID_ARCHS[sdk=iphonesimulator*]'] = '$(ARCHS_STANDARD)'
build_configuration.build_settings['EXCLUDED_ARCHS[sdk=iphonesimulator*]'] = '$(inherited) i386'
build_configuration.build_settings['EXCLUDED_ARCHS[sdk=iphoneos*]'] = '$(inherited) armv7'
end
end
# Same as flutter_ios_podfile_setup for macOS.
def flutter_additional_macos_build_settings(target)
return unless target.platform_name == :osx
# Return if it's not a Flutter plugin (transitive dependency).
return unless target.dependencies.any? { |dependency| dependency.name == 'FlutterMacOS' }
# [target.deployment_target] is a [String] formatted as "10.8".
deployment_target_major, deployment_target_minor = target.deployment_target.match(/(\d+).?(\d*)/).captures
# Suppress warning when pod supports a version lower than the minimum supported by the latest stable version of Xcode (currently 10.9).
# This warning is harmless but confusing--it's not a bad thing for dependencies to support a lower version.
inherit_deployment_target = !target.deployment_target.blank? &&
(deployment_target_major.to_i < 10) ||
(deployment_target_major.to_i == 10 && deployment_target_minor.to_i < 9)
# This podhelper script is at $FLUTTER_ROOT/packages/flutter_tools/bin.
# Add search paths from $FLUTTER_ROOT/bin/cache/artifacts/engine.
artifacts_dir = File.join('..', '..', '..', '..', 'bin', 'cache', 'artifacts', 'engine')
debug_framework_dir = File.expand_path(File.join(artifacts_dir, 'darwin-x64'), __FILE__)
release_framework_dir = File.expand_path(File.join(artifacts_dir, 'darwin-x64-release'), __FILE__)
unless Dir.exist?(debug_framework_dir)
# macOS artifacts have not been downloaded.
raise "#{debug_framework_dir} must exist. If you're running pod install manually, make sure \"flutter precache --macos\" is executed first"
end
target.build_configurations.each do |build_configuration|
# Profile can't be derived from the CocoaPods build configuration. Use release framework (for linking only).
configuration_engine_dir = build_configuration.type == :debug ? debug_framework_dir : release_framework_dir
build_configuration.build_settings['FRAMEWORK_SEARCH_PATHS'] = "\"#{configuration_engine_dir}\" $(inherited)"
# When deleted, the deployment version will inherit from the higher version derived from the 'Runner' target.
# If the pod only supports a higher version, do not delete to correctly produce an error.
build_configuration.build_settings.delete 'MACOSX_DEPLOYMENT_TARGET' if inherit_deployment_target
# Avoid error about Pods-Runner not supporting provisioning profiles.
# Framework signing is handled at the app layer, not per framework, so disallow individual signing.
build_configuration.build_settings.delete 'EXPANDED_CODE_SIGN_IDENTITY'
build_configuration.build_settings['CODE_SIGNING_REQUIRED'] = 'NO'
build_configuration.build_settings['CODE_SIGNING_ALLOWED'] = 'NO'
end
end
# Install pods needed to embed Flutter iOS engine and plugins.
#
# @example
# target 'Runner' do
# flutter_install_all_ios_pods
# end
# @param [String] ios_application_path Path of the iOS directory of the Flutter app.
# Optional, defaults to the Podfile directory.
def flutter_install_all_ios_pods(ios_application_path = nil)
flutter_install_ios_engine_pod(ios_application_path)
flutter_install_plugin_pods(ios_application_path, '.symlinks', 'ios')
end
# Same as flutter_install_all_ios_pods for macOS.
def flutter_install_all_macos_pods(macos_application_path = nil)
flutter_install_macos_engine_pod(macos_application_path)
flutter_install_plugin_pods(macos_application_path, File.join('Flutter', 'ephemeral', '.symlinks'), 'macos')
end
# Install iOS Flutter engine pod.
#
# @example
# target 'Runner' do
# flutter_install_ios_engine_pod
# end
# @param [String] ios_application_path Path of the iOS directory of the Flutter app.
# Optional, defaults to the Podfile directory.
def flutter_install_ios_engine_pod(ios_application_path = nil)
# defined_in_file is set by CocoaPods and is a Pathname to the Podfile.
ios_application_path ||= File.dirname(defined_in_file.realpath) if self.respond_to?(:defined_in_file)
raise 'Could not find iOS application path' unless ios_application_path
podspec_directory = File.join(ios_application_path, 'Flutter')
copied_podspec_path = File.expand_path('Flutter.podspec', podspec_directory)
# Generate a fake podspec to represent the Flutter framework.
# This is only necessary because plugin podspecs contain `s.dependency 'Flutter'`, and if this Podfile
# does not add a `pod 'Flutter'` CocoaPods will try to download it from the CocoaPods trunk.
File.open(copied_podspec_path, 'w') { |podspec|
podspec.write <<~EOF
#
# NOTE: This podspec is NOT to be published. It is only used as a local source!
# This is a generated file; do not edit or check into version control.
#
Pod::Spec.new do |s|
s.name = 'Flutter'
s.version = '1.0.0'
s.summary = 'A UI toolkit for beautiful and fast apps.'
s.homepage = 'https://flutter.dev'
s.license = { :type => 'BSD' }
s.author = { 'Flutter Dev Team' => 'flutter-dev@googlegroups.com' }
s.source = { :git => 'https://github.com/flutter/engine', :tag => s.version.to_s }
s.ios.deployment_target = '11.0'
# Framework linking is handled by Flutter tooling, not CocoaPods.
# Add a placeholder to satisfy `s.dependency 'Flutter'` plugin podspecs.
s.vendored_frameworks = 'path/to/nothing'
end
EOF
}
# Keep pod path relative so it can be checked into Podfile.lock.
pod 'Flutter', :path => flutter_relative_path_from_podfile(podspec_directory)
end
# Same as flutter_install_ios_engine_pod for macOS.
def flutter_install_macos_engine_pod(mac_application_path = nil)
# defined_in_file is set by CocoaPods and is a Pathname to the Podfile.
mac_application_path ||= File.dirname(defined_in_file.realpath) if self.respond_to?(:defined_in_file)
raise 'Could not find macOS application path' unless mac_application_path
copied_podspec_path = File.expand_path('FlutterMacOS.podspec', File.join(mac_application_path, 'Flutter', 'ephemeral'))
# Generate a fake podspec to represent the FlutterMacOS framework.
# This is only necessary because plugin podspecs contain `s.dependency 'FlutterMacOS'`, and if this Podfile
# does not add a `pod 'FlutterMacOS'` CocoaPods will try to download it from the CocoaPods trunk.
File.open(copied_podspec_path, 'w') { |podspec|
podspec.write <<~EOF
#
# NOTE: This podspec is NOT to be published. It is only used as a local source!
# This is a generated file; do not edit or check into version control.
#
Pod::Spec.new do |s|
s.name = 'FlutterMacOS'
s.version = '1.0.0'
s.summary = 'A UI toolkit for beautiful and fast apps.'
s.homepage = 'https://flutter.dev'
s.license = { :type => 'BSD' }
s.author = { 'Flutter Dev Team' => 'flutter-dev@googlegroups.com' }
s.source = { :git => 'https://github.com/flutter/engine', :tag => s.version.to_s }
s.osx.deployment_target = '10.11'
# Framework linking is handled by Flutter tooling, not CocoaPods.
# Add a placeholder to satisfy `s.dependency 'FlutterMacOS'` plugin podspecs.
s.vendored_frameworks = 'path/to/nothing'
end
EOF
}
# Keep pod path relative so it can be checked into Podfile.lock.
pod 'FlutterMacOS', :path => File.join('Flutter', 'ephemeral')
end
# Install Flutter plugin pods.
#
# @param [String] application_path Path of the directory of the Flutter app.
# Optional, defaults to the Podfile directory.
def flutter_install_plugin_pods(application_path = nil, relative_symlink_dir, platform)
# defined_in_file is set by CocoaPods and is a Pathname to the Podfile.
application_path ||= File.dirname(defined_in_file.realpath) if self.respond_to?(:defined_in_file)
raise 'Could not find application path' unless application_path
# Prepare symlinks folder. We use symlinks to avoid having Podfile.lock
# referring to absolute paths on developers' machines.
symlink_dir = File.expand_path(relative_symlink_dir, application_path)
system('rm', '-rf', symlink_dir) # Avoid the complication of dependencies like FileUtils.
symlink_plugins_dir = File.expand_path('plugins', symlink_dir)
system('mkdir', '-p', symlink_plugins_dir)
plugins_file = File.join(application_path, '..', '.flutter-plugins-dependencies')
plugin_pods = flutter_parse_plugins_file(plugins_file, platform)
plugin_pods.each do |plugin_hash|
plugin_name = plugin_hash['name']
plugin_path = plugin_hash['path']
has_native_build = plugin_hash.fetch('native_build', true)
if (plugin_name && plugin_path && has_native_build)
symlink = File.join(symlink_plugins_dir, plugin_name)
File.symlink(plugin_path, symlink)
# Keep pod path relative so it can be checked into Podfile.lock.
relative = flutter_relative_path_from_podfile(symlink)
pod plugin_name, :path => File.join(relative, platform)
end
end
end
# .flutter-plugins-dependencies format documented at
# https://flutter.dev/go/plugins-list-migration
def flutter_parse_plugins_file(file, platform)
file_path = File.expand_path(file)
return [] unless File.exist? file_path
dependencies_file = File.read(file)
dependencies_hash = JSON.parse(dependencies_file)
# dependencies_hash.dig('plugins', 'ios') not available until Ruby 2.3
return [] unless dependencies_hash.has_key?('plugins')
return [] unless dependencies_hash['plugins'].has_key?('ios')
dependencies_hash['plugins'][platform] || []
end
def flutter_relative_path_from_podfile(path)
# defined_in_file is set by CocoaPods and is a Pathname to the Podfile.
project_directory_pathname = defined_in_file.dirname
pathname = Pathname.new File.expand_path(path)
relative = pathname.relative_path_from project_directory_pathname
relative.to_s
end