class Restic < Formula
  desc "Fast, efficient and secure backup program"
  homepage "https://restic.github.io/"
  url "https://github.com/restic/restic/archive/v0.9.3.tar.gz"
  sha256 "b95a258099aee9a56e620ccebcecabc246ee7f8390e3937ccedadd609c6d2dd0"
  revision 1
  head "https://github.com/restic/restic.git"

  bottle do
    cellar :any_skip_relocation
    sha256 "544c9ab0bf1fa722303bab91ec6bfd421e9645001aa493d3759afa27493a4c43" => :mojave
    sha256 "5eb7fee677b145fad69e4e486a5a8bc54912197479fda3e68b28ff6e7e133b4b" => :high_sierra
    sha256 "a4ea4c88d43933cf152b664913abc197df998bb3876d60b30a60bd89e98b71f5" => :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