remove unsupported languages from the settings bundle for RC build

Gemfile

@@ -1,4 +1,5 @@
 source 'https://rubygems.org'
 
 gem 'fastlane'
+gem 'xcodeproj'
 gem 'xcode-install'

Gemfile.lock

@@ -217,6 +217,7 @@ PLATFORMS
 DEPENDENCIES
   fastlane
   xcode-install
+  xcodeproj
 
 BUNDLED WITH
    2.3.9

README.md

@@ -47,9 +47,15 @@ To be able to also create prerelease+tag on Github, define `GITHUB_API_TOKEN` en
 
 `GITHUB_API_TOKEN=your_PAT_token bundle exec fastlane tf notify:0`
 
-### Submit to AppStore review
+### Submit for AppStore review
 
-`bundle exec fastlane asc`
+First, make an RC build with unfinished localizations excluded from the settings bundle: (it supports the same parameters as the normal `tf` lane described above)
+
+    bundle exec fastlane rc
+
+In case there're no changes compared to the last TF build, don't define `GITHUB_API_TOKEN` environment variable to prevent useless Github release being created.
+
+Submit for review: `bundle exec fastlane asc`
 
 If you also want to draft release on Github, define `GITHUB_API_TOKEN` environment variable like above.
 
@@ -62,7 +68,7 @@ Optional parameters:
 
 Omitted `app_version` / `build_number` parameter means "use the latest uploaded". [More about passing parameters](https://docs.fastlane.tools/advanced/lanes/#passing-parameters).
 
-Note: if new app version doesn't exist yet, you **must** pass at least `app_version`, otherwise fastlane fails. Hopefully it'll be fixed, see [issue about that](https://github.com/fastlane/fastlane/issues/18571).
+Note: if new app version doesn't exist in ASC yet, you **must** pass at least `app_version`, otherwise fastlane fails. Hopefully it'll be fixed, see [issue about that](https://github.com/fastlane/fastlane/issues/18571).
 
 Example: `bundle exec fastlane asc app_version:1.6.1`
 

fastlane/Fastfile

@@ -1,3 +1,5 @@
+fastlane_require 'xcodeproj'
+
 default_platform(:ios)
 
 before_all do
@@ -45,6 +47,7 @@ lane :tf do |options|
     changelogLines << "- #{l.sub(/\(Merge pull request (#\d+).+/, "(\\1)")}" unless l.include?('[not app]')
   }
   Actions.lane_context[SharedValues::FL_CHANGELOG] = changelogLines.join("\n")
+  Actions.lane_context[SharedValues::FL_CHANGELOG].prepend "#{options[:changelogTitle]}\n\n" if options[:changelogTitle]
 
   testflight(
     distribute_external: true,
@@ -91,6 +94,32 @@ lane :tf do |options|
   }
 end
 
+desc 'Build RC & upload to Testflight'
+lane :rc do |options|
+  # remove unsupported languages from the settings bundle
+  localizationDirExtension = '.lproj'
+  xcProject = Xcodeproj::Project.open('../Kodi Remote.xcodeproj')
+  localizations = xcProject.files
+    .filter {|f| f.path.end_with? 'Localizable.strings' }
+    .map {|f| f.name.downcase }
+  settingsBundlePath = xcProject.files.find {|f| f.path.end_with? 'Settings.bundle' }.real_path
+  Dir.each_child(settingsBundlePath) { |f|
+    next unless File.extname(f) == localizationDirExtension
+    FileUtils.remove_dir "#{settingsBundlePath}/#{f}" unless localizations.include? File.basename(f, localizationDirExtension).downcase
+  }
+
+  begin
+    tf options.merge({
+      changelogTitle: 'This RC will be submitted for AppStore review.',
+    })
+  ensure
+    reset_git_repo(
+      files: [settingsBundlePath],
+      force: true,
+    )
+  end
+end
+
 desc 'Submit to AppStore review'
 lane :asc do |options|
   appVersion = options[:app_version]