homebrew-core/Formula/borgmatic.rb

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

  desc "Simple wrapper script for the Borg backup software"
  homepage "https://torsion.org/borgmatic/"
  url "https://github.com/witten/borgmatic/archive/1.4.16.tar.gz"
  sha256 "d5bc7eabfd958aabb00371febb8b99d3bfefb4f28d8c4618a227b421086b8418"

  bottle do
    cellar :any
    sha256 "d15ab01b907130ee526947e58700fb77beb5cb55e5082f7b4f6a5c8fb3aee64b" => :catalina
    sha256 "023658e18dbbb0faf9498965cdea66fd219e67596787b74f251a87cfa4a21db2" => :mojave
    sha256 "cab5889334cbb9d41e095403eebaa92cb58fcad706f74055cfdc788e65d2cb84" => :high_sierra
  end

  depends_on "libyaml"
  depends_on "python"

  resource "certifi" do
    url "https://files.pythonhosted.org/packages/62/85/7585750fd65599e88df0fed59c74f5075d4ea2fe611deceb95dd1c2fb25b/certifi-2019.9.11.tar.gz"
    sha256 "e4f3620cfea4f83eedc95b24abd9cd56f3c4b146dd0177e83a21b4eb49e21e50"
  end

  resource "chardet" do
    url "https://files.pythonhosted.org/packages/fc/bb/a5768c230f9ddb03acc9ef3f0d4a3cf93462473795d18e9535498c8f929d/chardet-3.0.4.tar.gz"
    sha256 "84ab92ed1c4d4f16916e05906b6b75a6c0fb5db821cc65e70cbd64a3e2a5eaae"
  end

  resource "colorama" do
    url "https://files.pythonhosted.org/packages/76/53/e785891dce0e2f2b9f4b4ff5bc6062a53332ed28833c7afede841f46a5db/colorama-0.4.1.tar.gz"
    sha256 "05eed71e2e327246ad6b38c540c4a3117230b19679b875190486ddd2d721422d"
  end

  resource "docopt" do
    url "https://files.pythonhosted.org/packages/source/d/docopt/docopt-0.6.2.tar.gz"
    sha256 "49b3a825280bd66b3aa83585ef59c4a8c82f2c8a522dbe754a8bc8d08c85c491"
  end

  resource "idna" do
    url "https://files.pythonhosted.org/packages/ad/13/eb56951b6f7950cadb579ca166e448ba77f9d24efc03edd7e55fa57d04b7/idna-2.8.tar.gz"
    sha256 "c357b3f628cf53ae2c4c05627ecc484553142ca23264e593d327bcde5e9c3407"
  end

  resource "PyYAML" do
    url "https://files.pythonhosted.org/packages/e3/e8/b3212641ee2718d556df0f23f78de8303f068fe29cdaa7a91018849582fe/PyYAML-5.1.2.tar.gz"
    sha256 "01adf0b6c6f61bd11af6e10ca52b7d4057dd0be0343eb9283c878cf3af56aee4"
  end

  resource "pykwalify" do
    url "https://files.pythonhosted.org/packages/53/6a/c7394df238816085de6a630f1817805639e844ea7980108f19261cd44c12/pykwalify-1.7.0.tar.gz"
    sha256 "7e8b39c5a3a10bc176682b3bd9a7422c39ca247482df198b402e8015defcceb2"
  end

  resource "python-dateutil" do
    url "https://files.pythonhosted.org/packages/ad/99/5b2e99737edeb28c71bcbec5b5dda19d0d9ef3ca3e92e3e925e7c0bb364c/python-dateutil-2.8.0.tar.gz"
    sha256 "c89805f6f4d64db21ed966fda138f8a5ed7a4fdbc1a8ee329ce1b74e3c74da9e"
  end

  resource "requests" do
    url "https://files.pythonhosted.org/packages/01/62/ddcf76d1d19885e8579acb1b1df26a852b03472c0e46d2b959a714c90608/requests-2.22.0.tar.gz"
    sha256 "11e007a8a2aa0323f5a921e9e6a2d7e4e67d9877e85773fba9ba6419025cbeb4"
  end

  resource "ruamel.yaml" do
    url "https://files.pythonhosted.org/packages/de/76/cf97d739365eff258e2af0457a150bf2818f3eaa460328610eafeed0894a/ruamel.yaml-0.16.5.tar.gz"
    sha256 "412a6f5cfdc0525dee6a27c08f5415c7fd832a7afcb7a0ed7319628aed23d408"
  end

  resource "six" do
    url "https://files.pythonhosted.org/packages/dd/bf/4138e7bfb757de47d1f4b6994648ec67a51efe58fa907c1e11e350cddfca/six-1.12.0.tar.gz"
    sha256 "d16a0141ec1a18405cd4ce8b4613101da75da0e9a7aec5bdd4fa804d0e0eba73"
  end

  resource "urllib3" do
    url "https://files.pythonhosted.org/packages/ff/44/29655168da441dff66de03952880c6e2d17b252836ff1aa4421fba556424/urllib3-1.25.6.tar.gz"
    sha256 "9a107b99a5393caf59c7aa3c1249c16e6879447533d0887f4336dde834c7be86"
  end

  def install
    virtualenv_install_with_resources
  end

  test do
    borg = (testpath/"borg")
    config_path = testpath/"config.yml"
    repo_path = testpath/"repo"
    log_path = testpath/"borg.log"

    # Create a fake borg executable to log requested commands
    borg.write <<~EOS
      #!/bin/sh
      echo $@ >> #{log_path}

      # Return error on info so we force an init to occur
      if [ "$1" = "info" ]; then
        exit 2
      fi
    EOS
    borg.chmod 0755

    # Generate a config
    system bin/"generate-borgmatic-config", "--destination", config_path

    # Replace defaults values
    config_content = File.read(config_path)
                         .gsub(/# ?local_path: borg1/, "local_path: #{borg}")
                         .gsub(/user@backupserver:sourcehostname.borg/, repo_path)
    File.open(config_path, "w") { |file| file.puts config_content }

    # Initialize Repo
    system bin/"borgmatic", "-v", "2", "--config", config_path, "--init", "--encryption", "repokey"

    # Create a backup
    system bin/"borgmatic", "--config", config_path

    # See if backup was created
    system bin/"borgmatic", "--config", config_path, "--list", "--json"

    # Read in stored log
    log_content = File.read(log_path)

    # Assert that the proper borg commands were executed
    assert_equal <<~EOS, log_content
      info #{repo_path}
      init --encryption repokey --debug #{repo_path}
      prune --keep-daily 7 --prefix {hostname}- #{repo_path}
      create #{repo_path}::{hostname}-{now:%Y-%m-%dT%H:%M:%S.%f} /home /etc /var/log/syslog*
      check --prefix {hostname}- #{repo_path}
      list --json #{repo_path}
    EOS
  end
end