Adding enforcement to select a filesystem-type for encrypted volumes unless the specified pasword can be used to unlock the device and auto-detect this.

examples/guided.py

@@ -137,6 +137,12 @@ if archinstall.arguments['harddrive'].has_partitions():
 				while 1:
 					new_filesystem = input(f"Enter a valid filesystem for {partition} (leave blank for {partition.filesystem}): ").strip(' ')
 					if len(new_filesystem) <= 0:
+						if partition.encrypted and partition.filesystem == 'crypto_LUKS':
+							if (autodetected_filesystem := partition.detect_inner_filesystem(archinstall.arguments.get('!encryption-password', None))):
+							else:
+								archinstall.log(f"Could not auto-detect the filesystem inside the encrypted volume.", fg='red')
+								archinstall.log(f"A filesystem must be defined for the unlocked encrypted partition.")
+								continue
 						break
 
 					# Since the potentially new filesystem is new