# open gitignore file, remove comments, blank lines and duplicate entries
def clean_gitignore(file_path: str):
    with open(file_path, "r") as file:
        lines = file.readlines()

    cleaned_lines = set()
    for line in lines:
        stripped_line = line.strip()
        if stripped_line and not stripped_line.startswith("#"):
            cleaned_lines.add(stripped_line)

    with open(file_path, "w") as file:
        for line in sorted(cleaned_lines):
            file.write(f"{line}\n")


clean_gitignore(".gitignore")