from pathlib import Path

from pathspec import PathSpec

DEFAULT_IGNORE = [
    ".git",
    "node_modules",
    ".venv",
    "__pycache__",
]


def create_ignore(basepath: Path) -> PathSpec:
    lines = DEFAULT_IGNORE.copy()
    gitignore = basepath / ".gitignore"
    if gitignore.exists():
        with open(gitignore, "r") as fd:
            lines += fd.readlines()
    return PathSpec.from_lines("gitignore", lines)