Homebrew Formula of apple/swift-format

swift-format.rb

class SwiftFormat < Formula
  desc "Formatting technology for Swift source code"
  homepage "https://github.com/apple/swift-format"
  url "https://github.com/apple/swift-format.git", :branch => "swift-5.1-branch"
  head "https://github.com/apple/swift-format.git"

  depends_on :xcode => ["11.0", :build]

  def install
    system "swift", "build", "--configuration", "release",
                             "--disable-sandbox",
                             "--build-path", "#{buildpath}/swift-format"
    system "install", "-d", "#{prefix}/bin"
    system "install", "#{buildpath}/swift-format/release/swift-format", "#{prefix}/bin"
  end

  test do
    system "#{bin}/swift-format", "--version"
  end
end