now-cli.rb

require "language/node"

class NowCli < Formula
  desc "The command-line interface for Now"
  homepage "https://zeit.co/now"
  url "https://registry.npmjs.org/now/-/now-16.1.1.tgz"
  sha256 "caf5db829121c8518796abeda1c048127859badc086330c06c30ff8c5ed69e67"

  depends_on "node"

  def install
    rm Dir["dist/{*.exe,xsel}"]
    inreplace "dist/index.js", "t.default=getUpdateCommand",
                               "t.default=async()=>'brew upgrade now-cli'"

    system "npm", "install", *Language::Node.std_npm_install_args(libexec)
    bin.install_symlink Dir["#{libexec}/bin/*"]
  end

  test do
    system "#{bin}/now", "init", "jekyll"
    assert_predicate testpath/"jekyll/Gemfile", :exist?, "Gemfile must exist"
    assert_predicate testpath/"jekyll/index.md", :exist?, "index.md must exist"
    assert_predicate testpath/"jekyll/package.json", :exist?, "package.json must exist"
  end
end