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"
  head "https://github.com/restic/restic.git"

  bottle do
    cellar :any_skip_relocation
    sha256 "d7180e62a82f73cd83f792f281fd27931524c006eb3a07d58ced31fceff1933c" => :mojave
    sha256 "9f0189489a0bd16473f1035b18da19931a33914b336fc5d6cf1e78262114a03d" => :high_sierra
    sha256 "b74f743cc03c36ee832309da2c25193c51417c47876851ebbfbfaff89712cfad" => :sierra
  end

  depends_on "go" => :build

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

    system "go", "run", "build.go"
    bin.install "restic"
  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