require "open3"

class GitRemote
  def self.check_remote_exists(repo_url)
    # only run check if git is installed and in path
    return true unless system("git --version")

    # Only allow safe protocols
    return false unless repo_url.match?(/\A(https?|git|ssh):\/\//)

    safe_repo_url = URI.parse(repo_url).to_s.gsub(" ", "").gsub("'", "") rescue (return false)
    Open3.capture2e("git", "ls-remote", "--", safe_repo_url).last.success?
  end
end