class Swiftlint < Formula
  desc "Tool to enforce Swift style and conventions"
  homepage "https://github.com/realm/SwiftLint"
  url "https://github.com/realm/SwiftLint.git",
      :tag => "0.25.1",
      :revision => "4fddef5ac11afad91ce4e64fa6f6f7cb5d811872"
  head "https://github.com/realm/SwiftLint.git"

  bottle do
    cellar :any_skip_relocation
    sha256 "9a8b278edd652d43ca9176ef8bd6746136f419f42899a2abb4858cce6678c246" => :high_sierra
    sha256 "9c922cb7cb9b4f431ec85d3584f10055aa9cbdfbe21d83cc646a610743ef3536" => :sierra
  end

  depends_on :xcode => "8.0"
  depends_on :xcode => ["9.0", :build]

  def install
    system "make", "prefix_install", "PREFIX=#{prefix}", "TEMPORARY_FOLDER=#{buildpath}/SwiftLint.dst"
  end

  test do
    (testpath/"Test.swift").write "import Foundation"
    assert_match "#{testpath}/Test.swift:1: warning: Trailing Newline Violation: Files should have a single trailing newline. (trailing_newline)",
                 shell_output("SWIFTLINT_SWIFT_VERSION=3 #{bin}/swiftlint").chomp
    assert_match version.to_s,
                 shell_output("#{bin}/swiftlint version").chomp
  end
end