issue を立てたら (あくまで応急措置的な修正ですが) サクッと修正してもらえました． https://github.com/swiftlang/swift-format/issues/847

swift-format causes a infinite loop on Linux if .swift-format is ...

Description On Linux, when all ancestor directories do not have .swift-format, swift-format causes a infinite loop. swift-format lint and swift-format format do not work. Steps to reproduce Please ...