merged with upstreamHEADmaster

1 files changed, 429 insertions, 0 deletions

diff --git a/archinstall/lib/disk/partitioning_menu.py b/archinstall/lib/disk/partitioning_menu.py
new file mode 100644
index 00000000..fb1eb74b
--- /dev/null
+++ b/archinstall/lib/disk/partitioning_menu.py
@@ -0,0 +1,429 @@
+from __future__ import annotations
+
+import re
+from pathlib import Path
+from typing import Any, TYPE_CHECKING, List, Optional, Tuple
+from dataclasses import dataclass
+
+from .device_model import (
+	PartitionModification, FilesystemType, BDevice,
+	Size, Unit, PartitionType, PartitionFlag,
+	ModificationStatus, DeviceGeometry, SectorSize, BtrfsMountOption
+)
+from ..hardware import SysInfo
+from ..menu import Menu, ListManager, MenuSelection, TextInput
+from ..output import FormattedOutput, warn
+from .subvolume_menu import SubvolumeMenu
+
+if TYPE_CHECKING:
+	_: Any
+
+
+@dataclass
+class DefaultFreeSector:
+	start: Size
+	end: Size
+
+
+class PartitioningList(ListManager):
+	"""
+	subclass of ListManager for the managing of user accounts
+	"""
+	def __init__(self, prompt: str, device: BDevice, device_partitions: List[PartitionModification]):
+		self._device = device
+		self._actions = {
+			'create_new_partition': str(_('Create a new partition')),
+			'suggest_partition_layout': str(_('Suggest partition layout')),
+			'remove_added_partitions': str(_('Remove all newly added partitions')),
+			'assign_mountpoint': str(_('Assign mountpoint')),
+			'mark_formatting': str(_('Mark/Unmark to be formatted (wipes data)')),
+			'mark_bootable': str(_('Mark/Unmark as bootable')),
+			'set_filesystem': str(_('Change filesystem')),
+			'btrfs_mark_compressed': str(_('Mark/Unmark as compressed')),  # btrfs only
+			'btrfs_mark_nodatacow': str(_('Mark/Unmark as nodatacow')),  # btrfs only
+			'btrfs_set_subvolumes': str(_('Set subvolumes')),  # btrfs only
+			'delete_partition': str(_('Delete partition'))
+		}
+
+		display_actions = list(self._actions.values())
+		super().__init__(prompt, device_partitions, display_actions[:2], display_actions[3:])
+
+	def selected_action_display(self, partition: PartitionModification) -> str:
+		return str(_('Partition'))
+
+	def filter_options(self, selection: PartitionModification, options: List[str]) -> List[str]:
+		not_filter = []
+
+		# only display formatting if the partition exists already
+		if not selection.exists():
+			not_filter += [self._actions['mark_formatting']]
+		else:
+			# only allow options if the existing partition
+			# was marked as formatting, otherwise we run into issues where
+			# 1. select a new fs -> potentially mark as wipe now
+			# 2. Switch back to old filesystem -> should unmark wipe now, but
+			#     how do we know it was the original one?
+			not_filter += [
+				self._actions['set_filesystem'],
+				self._actions['mark_bootable'],
+				self._actions['btrfs_mark_compressed'],
+				self._actions['btrfs_mark_nodatacow'],
+				self._actions['btrfs_set_subvolumes']
+			]
+
+		# non btrfs partitions shouldn't get btrfs options
+		if selection.fs_type != FilesystemType.Btrfs:
+			not_filter += [
+				self._actions['btrfs_mark_compressed'],
+				self._actions['btrfs_mark_nodatacow'],
+				self._actions['btrfs_set_subvolumes']
+			]
+		else:
+			not_filter += [self._actions['assign_mountpoint']]
+
+		return [o for o in options if o not in not_filter]
+
+	def handle_action(
+		self,
+		action: str,
+		entry: Optional[PartitionModification],
+		data: List[PartitionModification]
+	) -> List[PartitionModification]:
+		action_key = [k for k, v in self._actions.items() if v == action][0]
+
+		match action_key:
+			case 'create_new_partition':
+				new_partition = self._create_new_partition()
+				data += [new_partition]
+			case 'suggest_partition_layout':
+				new_partitions = self._suggest_partition_layout(data)
+				if len(new_partitions) > 0:
+					data = new_partitions
+			case 'remove_added_partitions':
+				choice = self._reset_confirmation()
+				if choice.value == Menu.yes():
+					data = [part for part in data if part.is_exists_or_modify()]
+			case 'assign_mountpoint' if entry:
+				entry.mountpoint = self._prompt_mountpoint()
+				if entry.mountpoint == Path('/boot'):
+					entry.set_flag(PartitionFlag.Boot)
+					if SysInfo.has_uefi():
+						entry.set_flag(PartitionFlag.ESP)
+			case 'mark_formatting' if entry:
+				self._prompt_formatting(entry)
+			case 'mark_bootable' if entry:
+				entry.invert_flag(PartitionFlag.Boot)
+				if SysInfo.has_uefi():
+					entry.invert_flag(PartitionFlag.ESP)
+			case 'set_filesystem' if entry:
+				fs_type = self._prompt_partition_fs_type()
+				if fs_type:
+					entry.fs_type = fs_type
+					# btrfs subvolumes will define mountpoints
+					if fs_type == FilesystemType.Btrfs:
+						entry.mountpoint = None
+			case 'btrfs_mark_compressed' if entry:
+				self._toggle_mount_option(entry, BtrfsMountOption.compress)
+			case 'btrfs_mark_nodatacow' if entry:
+				self._toggle_mount_option(entry, BtrfsMountOption.nodatacow)
+			case 'btrfs_set_subvolumes' if entry:
+				self._set_btrfs_subvolumes(entry)
+			case 'delete_partition' if entry:
+				data = self._delete_partition(entry, data)
+
+		return data
+
+	def _delete_partition(
+		self,
+		entry: PartitionModification,
+		data: List[PartitionModification]
+	) -> List[PartitionModification]:
+		if entry.is_exists_or_modify():
+			entry.status = ModificationStatus.Delete
+			return data
+		else:
+			return [d for d in data if d != entry]
+
+	def _toggle_mount_option(
+		self,
+		partition: PartitionModification,
+		option: BtrfsMountOption
+	):
+		if option.value not in partition.mount_options:
+			if option == BtrfsMountOption.compress:
+				partition.mount_options = [
+					o for o in partition.mount_options
+					if o != BtrfsMountOption.nodatacow.value
+				]
+
+			partition.mount_options = [
+				o for o in partition.mount_options
+				if not o.startswith(BtrfsMountOption.compress.name)
+			]
+
+			partition.mount_options.append(option.value)
+		else:
+			partition.mount_options = [
+				o for o in partition.mount_options if o != option.value
+			]
+
+	def _set_btrfs_subvolumes(self, partition: PartitionModification):
+		partition.btrfs_subvols = SubvolumeMenu(
+			_("Manage btrfs subvolumes for current partition"),
+			partition.btrfs_subvols
+		).run()
+
+	def _prompt_formatting(self, partition: PartitionModification):
+		# an existing partition can toggle between Exist or Modify
+		if partition.is_modify():
+			partition.status = ModificationStatus.Exist
+			return
+		elif partition.exists():
+			partition.status = ModificationStatus.Modify
+
+		# If we mark a partition for formatting, but the format is CRYPTO LUKS, there's no point in formatting it really
+		# without asking the user which inner-filesystem they want to use. Since the flag 'encrypted' = True is already set,
+		# it's safe to change the filesystem for this partition.
+		if partition.fs_type == FilesystemType.Crypto_luks:
+			prompt = str(_('This partition is currently encrypted, to format it a filesystem has to be specified'))
+			fs_type = self._prompt_partition_fs_type(prompt)
+			partition.fs_type = fs_type
+
+			if fs_type == FilesystemType.Btrfs:
+				partition.mountpoint = None
+
+	def _prompt_mountpoint(self) -> Path:
+		header = str(_('Partition mount-points are relative to inside the installation, the boot would be /boot as an example.')) + '\n'
+		header += str(_('If mountpoint /boot is set, then the partition will also be marked as bootable.')) + '\n'
+		prompt = str(_('Mountpoint: '))
+
+		print(header)
+
+		while True:
+			value = TextInput(prompt).run().strip()
+
+			if value:
+				mountpoint = Path(value)
+				break
+
+		return mountpoint
+
+	def _prompt_partition_fs_type(self, prompt: str = '') -> FilesystemType:
+		options = {fs.value: fs for fs in FilesystemType if fs != FilesystemType.Crypto_luks}
+
+		prompt = prompt + '\n' + str(_('Enter a desired filesystem type for the partition'))
+		choice = Menu(prompt, options, sort=False, skip=False).run()
+		return options[choice.single_value]
+
+	def _validate_value(
+		self,
+		sector_size: SectorSize,
+		total_size: Size,
+		text: str,
+		start: Optional[Size]
+	) -> Optional[Size]:
+		match = re.match(r'([0-9]+)([a-zA-Z|%]*)', text, re.I)
+
+		if match:
+			str_value, unit = match.groups()
+
+			if unit == '%' and start:
+				available = total_size - start
+				value = int(available.value * (int(str_value) / 100))
+				unit = available.unit.name
+			else:
+				value = int(str_value)
+
+			if unit and unit not in Unit.get_all_units():
+				return None
+
+			unit = Unit[unit] if unit else Unit.sectors
+			return Size(value, unit, sector_size)
+
+		return None
+
+	def _enter_size(
+		self,
+		sector_size: SectorSize,
+		total_size: Size,
+		prompt: str,
+		default: Size,
+		start: Optional[Size],
+	) -> Size:
+		while True:
+			value = TextInput(prompt).run().strip()
+			size: Optional[Size] = None
+			if not value:
+				size = default
+			else:
+				size = self._validate_value(sector_size, total_size, value, start)
+
+			if size:
+				return size
+
+			warn(f'Invalid value: {value}')
+
+	def _prompt_size(self) -> Tuple[Size, Size]:
+		device_info = self._device.device_info
+
+		text = str(_('Current free sectors on device {}:')).format(device_info.path) + '\n\n'
+		free_space_table = FormattedOutput.as_table(device_info.free_space_regions)
+		prompt = text + free_space_table + '\n'
+
+		total_sectors = device_info.total_size.format_size(Unit.sectors, device_info.sector_size)
+		total_bytes = device_info.total_size.format_size(Unit.B)
+
+		prompt += str(_('Total: {} / {}')).format(total_sectors, total_bytes) + '\n\n'
+		prompt += str(_('All entered values can be suffixed with a unit: %, B, KB, KiB, MB, MiB...')) + '\n'
+		prompt += str(_('If no unit is provided, the value is interpreted as sectors')) + '\n'
+		print(prompt)
+
+		default_free_sector = self._find_default_free_space()
+
+		if not default_free_sector:
+			default_free_sector = DefaultFreeSector(
+				Size(0, Unit.sectors, self._device.device_info.sector_size),
+				Size(0, Unit.sectors, self._device.device_info.sector_size)
+			)
+
+		# prompt until a valid start sector was entered
+		start_prompt = str(_('Enter start (default: sector {}): ')).format(default_free_sector.start.value)
+
+		start_size = self._enter_size(
+			device_info.sector_size,
+			device_info.total_size,
+			start_prompt,
+			default_free_sector.start,
+			None
+		)
+
+		if start_size.value == default_free_sector.start.value and default_free_sector.end.value != 0:
+			end_size = default_free_sector.end
+		else:
+			end_size = device_info.total_size
+
+		# prompt until valid end sector was entered
+		end_prompt = str(_('Enter end (default: {}): ')).format(end_size.as_text())
+		end_size = self._enter_size(
+			device_info.sector_size,
+			device_info.total_size,
+			end_prompt,
+			end_size,
+			start_size
+		)
+
+		return start_size, end_size
+
+	def _find_default_free_space(self) -> Optional[DefaultFreeSector]:
+		device_info = self._device.device_info
+
+		largest_free_area: Optional[DeviceGeometry] = None
+		largest_deleted_area: Optional[PartitionModification] = None
+
+		if len(device_info.free_space_regions) > 0:
+			largest_free_area = max(device_info.free_space_regions, key=lambda r: r.get_length())
+
+		deleted_partitions = list(filter(lambda x: x.status == ModificationStatus.Delete, self._data))
+		if len(deleted_partitions) > 0:
+			largest_deleted_area = max(deleted_partitions, key=lambda p: p.length)
+
+		def _free_space(space: DeviceGeometry) -> DefaultFreeSector:
+			start = Size(space.start, Unit.sectors, device_info.sector_size)
+			end = Size(space.end, Unit.sectors, device_info.sector_size)
+			return DefaultFreeSector(start, end)
+
+		def _free_deleted(space: PartitionModification) -> DefaultFreeSector:
+			start = space.start.convert(Unit.sectors, self._device.device_info.sector_size)
+			end = space.end.convert(Unit.sectors, self._device.device_info.sector_size)
+			return DefaultFreeSector(start, end)
+
+		if not largest_deleted_area and largest_free_area:
+			return _free_space(largest_free_area)
+		elif not largest_free_area and largest_deleted_area:
+			return _free_deleted(largest_deleted_area)
+		elif not largest_deleted_area and not largest_free_area:
+			return None
+		elif largest_free_area and largest_deleted_area:
+			free_space = _free_space(largest_free_area)
+			if free_space.start > largest_deleted_area.start:
+				return free_space
+			else:
+				return _free_deleted(largest_deleted_area)
+
+		return None
+
+	def _create_new_partition(self) -> PartitionModification:
+		fs_type = self._prompt_partition_fs_type()
+
+		start_size, end_size = self._prompt_size()
+		length = end_size - start_size
+
+		# new line for the next prompt
+		print()
+
+		mountpoint = None
+		if fs_type != FilesystemType.Btrfs:
+			mountpoint = self._prompt_mountpoint()
+
+		partition = PartitionModification(
+			status=ModificationStatus.Create,
+			type=PartitionType.Primary,
+			start=start_size,
+			length=length,
+			fs_type=fs_type,
+			mountpoint=mountpoint
+		)
+
+		if partition.mountpoint == Path('/boot'):
+			partition.set_flag(PartitionFlag.Boot)
+			if SysInfo.has_uefi():
+				partition.set_flag(PartitionFlag.ESP)
+
+		return partition
+
+	def _reset_confirmation(self) -> MenuSelection:
+		prompt = str(_('This will remove all newly added partitions, continue?'))
+		choice = Menu(prompt, Menu.yes_no(), default_option=Menu.no(), skip=False).run()
+		return choice
+
+	def _suggest_partition_layout(self, data: List[PartitionModification]) -> List[PartitionModification]:
+		# if modifications have been done already, inform the user
+		# that this operation will erase those modifications
+		if any([not entry.exists() for entry in data]):
+			choice = self._reset_confirmation()
+			if choice.value == Menu.no():
+				return []
+
+		from ..interactions.disk_conf import suggest_single_disk_layout
+
+		device_modification = suggest_single_disk_layout(self._device)
+		return device_modification.partitions
+
+
+def manual_partitioning(
+	device: BDevice,
+	prompt: str = '',
+	preset: List[PartitionModification] = []
+) -> List[PartitionModification]:
+	if not prompt:
+		prompt = str(_('Partition management: {}')).format(device.device_info.path) + '\n'
+		prompt += str(_('Total length: {}')).format(device.device_info.total_size.format_size(Unit.MiB))
+
+	manual_preset = []
+
+	if not preset:
+		# we'll display the existing partitions of the device
+		for partition in device.partition_infos:
+			manual_preset.append(
+				PartitionModification.from_existing_partition(partition)
+			)
+	else:
+		manual_preset = preset
+
+	menu_list = PartitioningList(prompt, device, manual_preset)
+	partitions: List[PartitionModification] = menu_list.run()
+
+	if menu_list.is_last_choice_cancel():
+		return preset
+
+	return partitions