• [scan][gym][snapshot] Remove XCPretty dependency and add xcbeautify as an option (#19629) via Josh Holtz

High Level Notes

• scan no longer relies on xcpretty for JUnit output or to determine success or failure
• trainer has now been moved inside of fastlane and is no longer needed as a plugin
  • Please remove fastlane-plugin-trainer from your Gemfile or Pluginfile
• Added xcodebuild_formatter option to scan, gym, and snapshot

Detailed Notes

• scan no longer relies on xcpretty for JUnit output or to determine success or failure
  • trainer has now been moved inside of fastlane and is used to determine determine success and failure of scan
  • Note: junit will be made by xcpretty is using xcpretty, otherwise it will be made with trainer
  • Note: html will only be made if using xcpretty
• scan's option for number_of_retries now uses Xcode 13's retry tests
  • In Xcode 12 and under it will still use fastlane's implementation to try to only rerun tests that have failed
• Added xcodebuild_formatter option to scan, gym, and snapshot
  • Defaults to xcbeautify if installed
    • But will default back to xcpretty if any "xcpretty" specific options are set (ex: xcpretty_formatter, xcpretty_args)
  • Otherwise falls back to xcpretty
  • You can also pass anything for xcodebuild to pipe to like xcodebuild_formatter: "/path/to/other/xcbeautify"
  • For no formatting, set the formatter to an empty string like `xcodebuild_formatter: ""'
• Added new option to scan for output_remove_retry_attempts
  • Removes the count and any retry attempts from junit report and scan test results table
• Added migration error if using fastlane-plugin-trainer and tells user to remove it

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