import pathlib, glob from typing import Union from .helpers import get_mount_info from ..exceptions import DiskError from ..general import SysCommand def mount_subvolume(installation, location :Union[pathlib.Path, str], force=False) -> bool: """ This function uses mount to mount a subvolume on a given device, at a given location with a given subvolume name. @installation: archinstall.Installer instance @location: a localized string or path inside the installation / or /boot for instance without specifying /mnt/boot @force: overrides the check for weither or not the subvolume mountpoint is empty or not """ # Set up the required physical structure if type(location) == str: location = pathlib.Path(location) if not location.exists(): location.mkdir(parents=True) if glob.glob(str(installation.target/location/'*')) and force is False: raise DiskError(f"Cannot mount subvolume to {installation.target/location} because it contains data (non-empty folder target)") # Mount the logical volume to the physical structure return SysCommand(f"mount {get_mount_info(installation.target/location)['source']} {installation.target}/{str(location)} -o subvol=@/{str(location)}").exit_code == 0 def create_subvolume(installation, location :Union[pathlib.Path, str]) -> bool: """ This function uses btrfs to create a subvolume. @installation: archinstall.Installer instance @location: a localized string or path inside the installation / or /boot for instance without specifying /mnt/boot """ SysCommand(f"btrfs subvolume create {installation.target}/{str(location)}")