Added a check in guided to make it more visible that we check for filesystem supportation.

archinstall/lib/disk.py

@@ -113,7 +113,6 @@ class BlockDevice():
 				return True
 		return False
 
-
 class Partition():
 	def __init__(self, path, part_id=None, size=-1, filesystem=None, mountpoint=None, encrypted=False):
 		if not part_id:
@@ -138,15 +137,6 @@ class Partition():
 		self.mountpoint = partition_info['target']
 		self.filesystem = partition_info['fstype']
 
-		# We perform a dummy format on /dev/null with the given filesystem-type
-		# in order to determain if we support it or not.
-		try:
-			self.format(self.filesystem, '/dev/null')
-		except SysCallError:
-			pass # We supported it, but /dev/null is not formatable as expected so the mkfs call exited with an error code
-		except UnknownFilesystemFormat as err:
-			raise err
-
 	def __repr__(self, *args, **kwargs):
 		if self.encrypted:
 			return f'Partition(path={self.path}, real_device={self.real_device}, fs={self.filesystem}, mounted={self.mountpoint})'
@@ -217,6 +207,17 @@ class Partition():
 				self.mountpoint = target
 				return True
 
+	def filesystem_supported(self):
+		# We perform a dummy format on /dev/null with the given filesystem-type
+		# in order to determain if we support it or not.
+		try:
+			self.format(self.filesystem, '/dev/null')
+		except SysCallError:
+			pass # We supported it, but /dev/null is not formatable as expected so the mkfs call exited with an error code
+		except UnknownFilesystemFormat as err:
+			raise err
+		return True
+
 class Filesystem():
 	# TODO:
 	#   When instance of a HDD is selected, check all usages and gracefully unmount them

examples/guided.py

@@ -104,7 +104,8 @@ if harddrive.has_partitions():
 
 		archinstall.log('Using existing partition table:')
 		for partition in harddrive:
-			archinstall.log(f" {partition}")
+			if partition.filesystem_supported():
+				archinstall.log(f" {partition}")
 	else:
 		print('Formatting woop woop!')
 exit(1)