Marking the root partitions as encrypted if a disk password is set. In the future, we need to make this a bit more flexible by allowing multiple partitions to be encrypted. But for now, the main partition should be enough.

archinstall/lib/disk.py

@@ -352,6 +352,11 @@ class Filesystem():
 		b''.join(sys_command(f'sync'))
 		return True
 
+	def find_root_partition(self):
+		for partition in self.blockdevice:
+			if partition.target_mountpoint == '/' or partition.mountpoint == '/':
+				return partition
+
 	def raw_parted(self, string:str):
 		x = sys_command(f'/usr/bin/parted -s {string}')
 		o = b''.join(x)

examples/guided.py

@@ -276,6 +276,10 @@ with archinstall.Filesystem(archinstall.arguments['harddrive'], archinstall.GPT)
 	if archinstall.arguments['harddrive'].keep_partitions is False:
 		fs.use_entire_disk(root_filesystem_type=archinstall.arguments.get('filesystem', 'btrfs'),
 							encrypt_root_partition=archinstall.arguments.get('!encryption-password', False))
+	# Otherwise, check if encryption is desired and mark the root partition as encrypted.
+	elif archinstall.arguments.get('!encryption-password', None):
+		root_partition = fs.find_root_partition()
+		root_partition.encrypted = True
 			
 	# After the disk is ready, iterate the partitions and check
 	# which ones are safe to format, and format those.