copy_dotfiles.py

#!/usr/bin/env python3
import shutil
import socket
import yaml
from pathlib import Path
import sys

CONFIG_FILE = Path.home() / ".config" / "include.yml"
TEMPLATE = """\
backup_dir: /path/to/backup/dir
include:
  - .bashrc
  - .config/include.yml
"""

def copy_item(src: Path, dest: Path):
    try:
        if src.is_dir():
            shutil.copytree(src, dest, dirs_exist_ok=True)
        else:
            dest.parent.mkdir(parents=True, exist_ok=True)
            shutil.copy2(src, dest)
        print(f"[OK] {src} -> {dest}")
    except Exception as e:
        print(f"[ERROR] {src}: {e}")

def run_backup(home: Path, hostname: str, include_paths, backup_dir: Path):
    for rel in include_paths:
        src = home / rel
        if not src.exists():
            print(f"[WARN] {src} no existe")
            continue
        dest = backup_dir / hostname / rel
        copy_item(src, dest)

def main():
    if not CONFIG_FILE.exists():
        CONFIG_FILE.parent.mkdir(parents=True, exist_ok=True)
        CONFIG_FILE.write_text(TEMPLATE)
        print(f"Se creó un archivo de configuración por defecto en {CONFIG_FILE}. Es necesario editarlo antes de volver a ejecutar.")
        sys.exit(0)

    hostname = socket.gethostname()
    with open(CONFIG_FILE, "r") as f:
        config = yaml.safe_load(f)
    backup_dir = Path(config.get("backup_dir", "")).expanduser()
    if not backup_dir:
        raise ValueError("Falta 'backup_dir' en el archivo de configuración")
    include_paths = config.get("include", [])
    if not include_paths:
        print("No hay rutas definidas en include.yml")
        return
    home = Path.home()
    run_backup(home, hostname, include_paths, backup_dir)

if __name__ == "__main__":
    main()