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 => "0.25.0",
      :revision => "c875bed8135517288fd89c072c0a316b4cdedb74"
  head "https://github.com/realm/SwiftLint.git"

  bottle do
    cellar :any_skip_relocation
    sha256 "3377814fd020c041682b7ada455e7d7e5b0256177980180365dde4ce8819354d" => :high_sierra
    sha256 "d0cc75d2c8306fb072cdd4d7d0399898496eca82b9231bcff92855b6fc073b44" => :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