class DockerfileGitHubUtil {

    protected void findImagesAndFix(GHContent content,
                                    String branch, String img, String tag, String customMessage,
                                    BufferedReader reader) throws IOException {
        StringBuilder strB = new StringBuilder();
        boolean modified = rewriteDockerfile(img, tag, reader, strB);
        if (modified) {
            content.update(strB.toString(),
                    "Fix Dockerfile base image in /" + content.getPath() + "\n\n" + customMessage, branch);
        }
    }

    public  DockerfileGitHubUtil(GitHubUtil gitHubUtil);

}