iOS Fastfile release lane

Fastfile

lane :publish_appstore do |options|
  changelog_from_git_commits(
    pretty: "- (%ae) %s",# Optional, lets you provide a custom format to apply to each commit when generating the changelog text
    date_format: "short",# Optional, lets you provide an additional date format to dates within the pretty-formatted string
    match_lightweight_tag: false,  # Optional, lets you ignore lightweight (non-annotated) tags when searching for the last tag
    merge_commit_filtering: "exclude_merges" # Optional, lets you filter out merge commits
  )
  upload_to_testflight(
    skip_waiting_for_build_processing: true
  )
  version = get_info_plist_value(
    path: options[:scheme]+"-Info.plist",
    key: "CFBundleShortVersionString"
  )
  build = get_info_plist_value(
    path: options[:scheme]+"-Info.plist",
    key: "CFBundleVersion"
  )
  slack(
    message: "Hi! A new iOS "+options[:scheme]+" build has been submitted to TestFlight",
    payload: {
      "Build Date" => Time.new.to_s,
      "Release Version" => version+"."+build
    },
    channel: slack_channel,
    slack_url: slack_url,
    use_webhook_configured_username_and_icon: true,
    fail_on_error: false,
    success: true
  )   
end