smash_derived_data.py

#!/usr/bin/env python3

import os
import shutil
from pathlib import Path

DERIVED_DATA = Path.home() / "Library/Developer/Xcode/DerivedData"

# Directories to remove (relative to each project)
TARGET_DIRS = {
    "Build/Intermediates.noindex",
    "Index.noindex",
    "Logs",
}

def remove_dir(path: Path):
    if path.exists():
        print(f"Removing: {path}")
        shutil.rmtree(path, ignore_errors=True)

def clean_project(project_path: Path):
    for rel in TARGET_DIRS:
        target = project_path / rel
        remove_dir(target)

def main():
    if not DERIVED_DATA.exists():
        print("DerivedData directory not found.")
        return

    for project in DERIVED_DATA.iterdir():
        if project.is_dir():
            clean_project(project)

if __name__ == "__main__":
    main()