class Restic < Formula
  desc "Fast, efficient and secure backup program"
  homepage "https://restic.github.io/"
  url "https://github.com/restic/restic/archive/v0.9.4.tar.gz"
  sha256 "c7dca90fb6fd83cee8b9f6a2776f5839794341af1953d251bf06a91870be7a8e"
  head "https://github.com/restic/restic.git"

  bottle do
    cellar :any_skip_relocation
    sha256 "a5280c51d22c55696e877a16f932f25ff4d71b85063f2932eadc542bf043e516" => :mojave
    sha256 "6d86bf805fe4e102adda32d856a35d5fd3008f6a8803a42f92b7f3ab740e2223" => :high_sierra
    sha256 "815f61f1f227974a9185de81f851b07e2d2d95ea297780e3a41a7f5b5aef3754" => :sierra
  end

  depends_on "go" => :build

  def install
    ENV["GOPATH"] = HOMEBREW_CACHE/"go_cache"

    system "go", "run", "build.go"

    mkdir "completions"
    system "./restic", "generate", "--bash-completion", "completions/restic"
    system "./restic", "generate", "--zsh-completion", "completions/_restic"

    mkdir "man"
    system "./restic", "generate", "--man", "man"

    bin.install "restic"
    bash_completion.install "completions/restic"
    zsh_completion.install "completions/_restic"
    man1.install Dir["man/*.1"]
  end

  test do
    mkdir testpath/"restic_repo"
    ENV["RESTIC_REPOSITORY"] = testpath/"restic_repo"
    ENV["RESTIC_PASSWORD"] = "foo"

    (testpath/"testfile").write("This is a testfile")

    system "#{bin}/restic", "init"
    system "#{bin}/restic", "backup", "testfile"

    system "#{bin}/restic", "restore", "latest", "-t", "#{testpath}/restore"
    assert compare_file "testfile", "#{testpath}/restore/testfile"
  end
end