Fix acquisition of UUID (#2077)

* Fix acquisition of UUID

* Fix inadequate solution

* Add check for UUID

2 files changed, 18 insertions, 14 deletions

diff --git a/archinstall/lib/disk/device_handler.py b/archinstall/lib/disk/device_handler.py
index 7cd79784..a95e21e3 100644
--- a/archinstall/lib/disk/device_handler.py
+++ b/archinstall/lib/disk/device_handler.py
@@ -291,6 +291,11 @@ class DeviceHandler(object):
 			else:
 				self._perform_formatting(part_mod.safe_fs_type, part_mod.safe_dev_path)
 
+			lsblk_info = self._fetch_part_info(part_mod.safe_dev_path)
+
+			part_mod.partuuid = lsblk_info.partuuid
+			part_mod.uuid = lsblk_info.uuid
+
 	def _perform_partitioning(
 		self,
 		part_mod: PartitionModification,
@@ -354,15 +359,10 @@ class DeviceHandler(object):
 
 			# the partition has a real path now as it was created
 			part_mod.dev_path = Path(partition.path)
-
-			lsblk_info = self._fetch_partuuid(part_mod.dev_path)
-
-			part_mod.partuuid = lsblk_info.partuuid
-			part_mod.uuid = lsblk_info.uuid
 		except PartitionException as ex:
 			raise DiskError(f'Unable to add partition, most likely due to overlapping sectors: {ex}') from ex
 
-	def _fetch_partuuid(self, path: Path) -> LsblkInfo:
+	def _fetch_part_info(self, path: Path) -> LsblkInfo:
 		attempts = 3
 		lsblk_info: Optional[LsblkInfo] = None
 
@@ -371,16 +371,24 @@ class DeviceHandler(object):
 			time.sleep(attempt_nr + 1)
 			lsblk_info = get_lsblk_info(path)
 
-			if lsblk_info.partuuid:
+			if lsblk_info.partuuid and lsblk_info.uuid:
 				break
 
 			self.partprobe(path)
 
-		if not lsblk_info or not lsblk_info.partuuid:
+		if not lsblk_info:
+			debug(f'Unable to get partition information: {path}')
+			raise DiskError(f'Unable to get partition information: {path}')
+
+		if not lsblk_info.partuuid:
 			debug(f'Unable to determine new partition uuid: {path}\n{lsblk_info}')
 			raise DiskError(f'Unable to determine new partition uuid: {path}')
 
-		debug(f'partuuid found: {lsblk_info.json()}')
+		if not lsblk_info.uuid:
+			debug(f'Unable to determine new uuid: {path}\n{lsblk_info}')
+			raise DiskError(f'Unable to determine new uuid: {path}')
+
+		debug(f'partition information found: {lsblk_info.json()}')
 
 		return lsblk_info
 
diff --git a/archinstall/lib/installer.py b/archinstall/lib/installer.py
index 2eb63279..cd6f651d 100644
--- a/archinstall/lib/installer.py
+++ b/archinstall/lib/installer.py
@@ -8,8 +8,6 @@ import time
 from pathlib import Path
 from typing import Any, List, Optional, TYPE_CHECKING, Union, Dict, Callable
 
-from ..lib.disk.device_model import get_lsblk_info
-
 from . import disk
 from .exceptions import DiskError, ServiceException, RequirementError, HardwareIncompatibilityError, SysCallError
 from .general import SysCommand
@@ -937,9 +935,7 @@ class Installer:
 		self.pacman.strap('limine')
 		info(f"Limine boot partition: {boot_partition.dev_path}")
 
-		# XXX: We cannot use `root_partition.uuid` since corresponds to the UUID of the root
-		#      partition before the format.
-		root_uuid = get_lsblk_info(root_partition.safe_dev_path).uuid
+		root_uuid = root_partition.uuid
 
 		def create_pacman_hook(contents: str):
 			HOOK_DIR = "/etc/pacman.d/hooks"