class Grv < Formula
  desc "Terminal interface for viewing git repositories"
  homepage "https://github.com/rgburke/grv"
  url "https://github.com/rgburke/grv/releases/download/v0.1.2/grv-0.1.2-src.tar.gz"
  sha256 "1f2f8adb28085fd892f4b23cf5cf17925fc502cf479be35193e1c6b93cad1e49"
  head "https://github.com/rgburke/grv.git"

  depends_on "cmake" => :build
  depends_on "go" => :build
  depends_on "pkg-config" => :build
  depends_on "readline"

  def install
    ENV["GOPATH"] = buildpath
    path = buildpath/"src/github.com/rgburke/grv"
    path.install buildpath.children

    cd path do
      system "make", "build-only"
      bin.install "grv"
      prefix.install_metafiles
    end
  end

  test do
    ENV["TERM"] = "xterm"

    system "git", "init"
    system "git", "commit", "--allow-empty", "-m", "test"
    pipe_output("#{bin}/grv -logLevel DEBUG", "'<grv-exit>'", 0)

    assert_predicate testpath/"grv.log", :exist?
    assert_match "Loaded HEAD", File.read(testpath/"grv.log")
  end
end