in dockerfiles.py [0:0]
def validate_release_dir(release_dir: str) -> None:
"""
Validate that the release directory exists and is a directory.
Args:
release_dir (str): The path to the release directory.
Raises:
SystemExit: If the directory does not exist.
"""
if not os.path.isdir(release_dir):
logger.error("Release directory '%s' doesn't exist.", release_dir)
sys.exit(1)