Added a 'use /mnt' option to the formatted #124. This has not yet been tested, but the logic should work according to the new API layout for Installation().

archinstall/lib/user_interaction.py

@@ -179,6 +179,7 @@ def ask_to_configure_network():
 def ask_for_disk_layout():
 	options = {
 		'keep-existing' : 'Keep existing partition layout and select which ones to use where.',
+		'use-mnt' : 'Use whatever is mounted under /mnt and don\'t format anything',
 		'format-all' : 'Format entire drive and setup a basic partition scheme.',
 		'abort' : 'Abort the installation.'
 	}

examples/guided.py

@@ -53,6 +53,9 @@ def ask_user_questions():
 		if (option := archinstall.ask_for_disk_layout()) == 'abort':
 			archinstall.log(f"Safely aborting the installation. No changes to the disk or system has been made.")
 			exit(1)
+		elif option == 'use-mnt':
+			archinstall.arguments['harddrive'] = None
+			archinstall.arguments['target-mount'] = '/mnt'
 		elif option == 'keep-existing':
 			archinstall.arguments['harddrive'].keep_partitions = True
 
@@ -197,6 +200,7 @@ def perform_installation_steps():
 		We mention the drive one last time, and count from 5 to 0.
 	"""
 
+	if archinstall.arguments.get('harddrive', None):
 		print(f" ! Formatting {archinstall.arguments['harddrive']} in ", end='')
 		archinstall.do_countdown()
 
@@ -228,31 +232,31 @@ def perform_installation_steps():
 				else:
 					archinstall.log(f"Did not format {partition} because .safe_to_format() returned False or .allow_formatting was False.", level=archinstall.LOG_LEVELS.Debug)
 
+			fs.find_partition('/boot').format('vfat')
+
 			if archinstall.arguments.get('!encryption-password', None):
 				# First encrypt and unlock, then format the desired partition inside the encrypted part.
 				# archinstall.luks2() encrypts the partition when entering the with context manager, and
 				# unlocks the drive so that it can be used as a normal block-device within archinstall.
 				with archinstall.luks2(fs.find_partition('/'), 'luksloop', archinstall.arguments.get('!encryption-password', None)) as unlocked_device:
 					unlocked_device.format(fs.find_partition('/').filesystem)
-
+					unlocked_device.mount('/mnt')
-				perform_installation(device=unlocked_device,
-										boot_partition=fs.find_partition('/boot'),
-										language=archinstall.arguments['keyboard-language'],
-										mirrors=archinstall.arguments['mirror-region'])
 			else:
-			perform_installation(device=fs.find_partition('/'),
+				fs.find_partition('/').format(fs.find_partition('/').filesystem)
-									boot_partition=fs.find_partition('/boot'),
+				fs.find_partition('/').mount('/mnt')
-									language=archinstall.arguments['keyboard-language'],
+
-									mirrors=archinstall.arguments['mirror-region'])
+			fs.find_partition('/boot').mount('/mnt/boot')
+	
+	perform_installation('/mnt')
 
 
-def perform_installation(device, boot_partition, language, mirrors):
+def perform_installation(mountpoint):
 	"""
 	Performs the installation steps on a block device.
 	Only requirement is that the block devices are
 	formatted and setup prior to entering this function.
 	"""
-	with archinstall.Installer(device, boot_partition=boot_partition, hostname=archinstall.arguments.get('hostname', 'Archinstall')) as installation:
+	with archinstall.Installer(mountpoint) as installation:
 		## if len(mirrors):
 		# Certain services might be running that affects the system during installation.
 		# Currently, only one such service is "reflector.service" which updates /etc/pacman.d/mirrorlist
@@ -261,10 +265,11 @@ def perform_installation(device, boot_partition, language, mirrors):
 		while 'dead' not in (status := archinstall.service_state('reflector')):
 			time.sleep(1)
 
-		archinstall.use_mirrors(mirrors) # Set the mirrors for the live medium
+		archinstall.use_mirrors(archinstall.arguments['mirror-region']) # Set the mirrors for the live medium
 		if installation.minimal_installation():
-			installation.set_mirrors(mirrors) # Set the mirrors in the installation medium
+			installation.set_hostname(archinstall.arguments['hostname'])
-			installation.set_keyboard_language(language)
+			installation.set_mirrors(archinstall.arguments['mirror-region']) # Set the mirrors in the installation medium
+			installation.set_keyboard_language(archinstall.arguments['keyboard-language'])
 			installation.add_bootloader()
 
 			# If user selected to copy the current ISO network configuration