class PreCommit < Formula
  include Language::Python::Virtualenv

  desc "Framework for managing multi-language pre-commit hooks"
  homepage "https://pre-commit.com/"
  url "https://github.com/pre-commit/pre-commit/archive/v1.11.1.tar.gz"
  sha256 "4a6f5073ce36a77d09e2f72a1236dc2bb63f0f7a78fbf16462fe864c2a5b2948"

  bottle do
    cellar :any_skip_relocation
    sha256 "f07c293765e3167ab7fe75d9a7a2ed6c2f3f4043685f47bb23803fc14f07f29b" => :mojave
    sha256 "a018e98ec931b3c2abc14339d4f4856c464f13c20517e5c6c1889b7968d4eb3a" => :high_sierra
    sha256 "6ec615725be6389276ade0a086355136776c1de70ab8097feee0b1bc93b7e3f8" => :sierra
  end

  depends_on "python"

  def install
    venv = virtualenv_create(libexec, "python3")
    system libexec/"bin/pip", "install", "-v", "--no-binary", ":all:",
                              "--ignore-installed", "PyYAML==3.13b1", buildpath
    system libexec/"bin/pip", "uninstall", "-y", "pre-commit"
    venv.pip_install_and_link buildpath
  end

  # Avoid relative paths
  def post_install
    lib_python_path = Pathname.glob(libexec/"lib/python*").first
    lib_python_path.each_child do |f|
      next unless f.symlink?
      realpath = f.realpath
      rm f
      ln_s realpath, f
    end
    inreplace lib_python_path/"orig-prefix.txt",
              Formula["python3"].opt_prefix, Formula["python3"].prefix.realpath
  end

  test do
    testpath.cd do
      system "git", "init"
      (testpath/".pre-commit-config.yaml").write <<~EOS
        -   repo: https://github.com/pre-commit/pre-commit-hooks
            sha: v0.9.1
            hooks:
            -   id: trailing-whitespace
      EOS
      system bin/"pre-commit", "install"
      (testpath/"f").write "hi\n"
      system "git", "add", "f"

      ENV["GIT_AUTHOR_NAME"] = "test user"
      ENV["GIT_AUTHOR_EMAIL"] = "test@example.com"
      ENV["GIT_COMMITTER_NAME"] = "test user"
      ENV["GIT_COMMITTER_EMAIL"] = "test@example.com"
      git_exe = which("git")
      ENV["PATH"] = "/usr/bin:/bin"
      system git_exe, "commit", "-m", "test"
    end
  end
end