gitinclude

#!/usr/bin/env python3
# fmt: off

# Todo: Find a new name, write proper package

from pathlib import Path

DIVISOR = "# <!-- AUTOMATIC -->"
HOME = Path().home()


def main():
    target = (HOME/".gitignore").read_text().split(DIVISOR)[0].splitlines()
    target = filter(lambda line: not line.startswith("#"), target)
    target = list(map(Path, filter(None, target)))
    ignore = list(map(str, sorted(target)))
    ignore.append(f"\n{DIVISOR}")
    ignore.append("*")

    for file in sorted(target):
        for path in reversed([file] + list(file.parents)[:-1]):
            ignore.append(f"!{path}")

    (HOME/".gitignore").write_text("\n".join(ignore))

if __name__ == "__main__":
    main()