Remove is_subpath() and use Path.is_relative_to() (#4372)

Author: codefiles

archinstall/lib/disk/device_handler.py

@@ -36,7 +36,6 @@
 )
 from archinstall.lib.models.users import Password
 from archinstall.lib.output import debug, error, info, log
-from archinstall.lib.utils.util import is_subpath
 
 
 class DeviceHandler:
@@ -563,7 +562,7 @@ def detect_pre_mounted_mods(self, base_mountpoint: Path) -> list[DeviceModificat
 		for device in self.devices:
 			for part_info in device.partition_infos:
 				for mountpoint in part_info.mountpoints:
-					if is_subpath(mountpoint, base_mountpoint):
+					if mountpoint.is_relative_to(base_mountpoint):
 						path = Path(part_info.disk.device.path)
 						part_mods.setdefault(path, [])
 						part_mod = PartitionModification.from_existing_partition(part_info)

archinstall/lib/utils/util.py

@@ -20,17 +20,6 @@ def generate_password(length: int = 64) -> str:
 	return ''.join(secrets.choice(haystack) for _ in range(length))
 
 
-def is_subpath(first: Path, second: Path) -> bool:
-	"""
-	Check if _first_ a subpath of _second_
-	"""
-	try:
-		first.relative_to(second)
-		return True
-	except ValueError:
-		return False
-
-
 def format_cols(items: list[str], header: str | None = None) -> str:
 	if header:
 		text = f'{header}:\n'