module Rails::Command::CredentialsCommand::Diffing

def enroll_project_in_credentials_diffing
  if enrolled_in_credentials_diffing?
    say "Project is already enrolled in credentials file diffing."
  else
    gitattributes.write(GITATTRIBUTES_ENTRY, mode: "a")
    say "Enrolled project in credentials file diffing!"
    say ""
    say "Rails will configure the Git diff driver for credentials when running `#{executable(:edit)}`. See `#{executable(:help)}` for more information."
  end
end