[Bug 2000594] Re: swapfile not created if user selects 'something else' during install

[Chris Guiver]

Thank you for taking the time to report this bug and helping to make
Ubuntu better.

Mostly an FYI, but there are cases where swapfile isn't wanted, for
example an install where swap partition is created or just (re-)used
(swap partitions can be more easily shared between OSes if dual
booting).

I know with a flavor install I also QA-tested an install where an
existing swapfile was re-used (ie. no format of partition; alas with
Lubuntu which uses calamares not ubiquity; but I'd expect the same for
both; that repair/re-install is not a testcase for Ubuntu Desktop so I
can't recall when last tested with Ubuntu Desktop)

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https://bugs.launchpad.net/bugs/2000594

Title:
  swapfile not created if user selects 'something else' during install

Status in ubiquity package in Ubuntu:
  New

Bug description:
  A swapfile is not created when the user selects 'something else' and
  creates a custom partition layout during installation. A swapfile is
  created using the 'erase disk and install ubuntu' option.

  Steps to reproduce:
  Boot to Ubuntu 22.04.1 installer
  Select 'Something else" during installation
  Create EFI system partition
  Create root ext4 partition
  Finish installation and reboot

  ubuntu2 at ubuntu2-Z690-AORUS-PRO:~$ ls -l /swapfile
  ls: cannot access '/swapfile': No such file or directory

  ubuntu2 at ubuntu2-Z690-AORUS-PRO:~$ free -h
                 total        used        free      shared  buff/cache   available
  Mem:            31Gi       1.2Gi        27Gi       493Mi       2.0Gi        29Gi
  Swap:             0B          0B          0B

  ubuntu2 at ubuntu2-Z690-AORUS-PRO:~$ cat /etc/fstab 
  # /etc/fstab: static file system information.
  #
  # Use 'blkid' to print the universally unique identifier for a
  # device; this may be used with UUID= as a more robust way to name devices
  # that works even if disks are added and removed. See fstab(5).
  #
  # <file system> <mount point>   <type>  <options>       <dump>  <pass>
  # / was on /dev/sda2 during installation
  UUID=54c4ff2f-6029-49dd-8548-53755871011f /               ext4    errors=remount-ro 0       1
  # /boot/efi was on /dev/sda1 during installation
  UUID=2E7B-F985  /boot/efi       vfat    umask=0077      0       1

  ubuntu2 at ubuntu2-Z690-AORUS-PRO:~$ lsb_release -rd
  Description:	Ubuntu 22.04.1 LTS
  Release:	22.04

  ProblemType: Bug
  DistroRelease: Ubuntu 22.04
  Package: ubiquity (not installed)
  ProcVersionSignature: Ubuntu 5.15.0-56.62-generic 5.15.64
  Uname: Linux 5.15.0-56-generic x86_64
  ApportVersion: 2.20.11-0ubuntu82.1
  Architecture: amd64
  CasperMD5CheckResult: pass
  CurrentDesktop: ubuntu:GNOME
  Date: Tue Dec 27 11:28:48 2022
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed maybe-ubiquity quiet splash ---
  InstallationDate: Installed on 2022-12-27 (0 days ago)
  InstallationMedia: Ubuntu 22.04.1 LTS "Jammy Jellyfish" - Release amd64 (20220809.1)
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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