```ruby
class Bartycrouch < Formula
  desc "Incrementally update/translate your Strings files"
  homepage "https://github.com/Flinesoft/BartyCrouch"
  url "https://github.com/Flinesoft/BartyCrouch.git", :tag => "4.4.0", :revision => "ac593d4fe3cb895944c1e67fa76046fb925733b6"
  head "https://github.com/Flinesoft/BartyCrouch.git"

  depends_on :xcode => ["12.0", :build]

  def install
    system "make", "install", "prefix=#{prefix}"
  end

  test do
    (testpath/"Test.swift").write <<~EOS
      import Foundation

      class Test {
        func test() {
            NSLocalizedString("test", comment: "")
        }
      }
    EOS

    (testpath/"en.lproj/Localizable.strings").write <<~EOS
      /* No comment provided by engineer. */
      "oldKey" = "Some translation";
    EOS

    system bin/"bartycrouch", "update"
    assert_match /"oldKey" = "/, File.read("en.lproj/Localizable.strings")
    assert_match /"test" = "/, File.read("en.lproj/Localizable.strings")
  end
end
```

Update formula to version 4.4.1
user
```ruby
class Bartycrouch < Formula
  desc "Incrementally update/translate your Strings files"
  homepage "https://github.com/Flinesoft/BartyCrouch"
  url "https://github.com/Flinesoft/BartyCrouch.git", :tag => "4.4.1", :revision => "d0ea3568044e2348e5fa87b9fdbc9254561039e2"
  head "https://github.com/Flinesoft/BartyCrouch.git"

  depends_on :xcode => ["12.0", :build]

  def install
    system "make", "install", "prefix=#{prefix}"
  end

  test do
    (testpath/"Test.swift").write <<~EOS
      import Foundation

      class Test {
        func test() {
            NSLocalizedString("test", comment: "")
        }
      }
    EOS

    (testpath/"en.lproj/Localizable.strings").write <<~EOS
      /* No comment provided by engineer. */
      "oldKey" = "Some translation";
    EOS

    system bin/"bartycrouch", "update"
    assert_match /"oldKey" = "/, File.read("en.lproj/Localizable.strings")
    assert_match /"test" = "/, File.read("en.lproj/Localizable.strings")
  end
end
```
assistant