Move --log from the dl cmd to the root cmd

devine/core/__main__.py

@@ -1,23 +1,34 @@
 import logging
 from datetime import datetime
+from pathlib import Path
 
 import click
 import coloredlogs
 
 from devine.core import __version__
 from devine.core.commands import Commands
-from devine.core.constants import LOG_FORMAT, context_settings
+from devine.core.config import config
+from devine.core.constants import LOG_FORMAT, LOG_FORMATTER, context_settings
+from devine.core.utilities import rotate_log_file
 
 
 @click.command(cls=Commands, invoke_without_command=True, context_settings=context_settings)
 @click.option("-v", "--version", is_flag=True, default=False, help="Print version information.")
 @click.option("-d", "--debug", is_flag=True, default=False, help="Enable DEBUG level logs.")
-def main(version: bool, debug: bool) -> None:
+@click.option("--log", "log_path", type=Path, default=config.directories.logs / config.filenames.log,
+              help="Log path (or filename). Path can contain the following f-string args: {name} {time}.")
+def main(version: bool, debug: bool, log_path: Path) -> None:
     """Devine—Open-Source Movie, TV, and Music Downloading Solution."""
     logging.basicConfig(level=logging.DEBUG if debug else logging.INFO)
     log = logging.getLogger()
     coloredlogs.install(level=log.level, fmt=LOG_FORMAT, style="{")
 
+    if log_path:
+        new_log_path = rotate_log_file(log_path)
+        fh = logging.FileHandler(new_log_path, encoding="utf8")
+        fh.setFormatter(LOG_FORMATTER)
+        log.addHandler(fh)
+
     log.info(f"Devine version {__version__} Copyright (c) 2019-{datetime.now().year} rlaphoenix")
     log.info("Convenient Widevine-DRM Downloader and Decrypter.")
     log.info("https://github.com/devine-dl/devine")