[Bug 2024332] Re: Warn if the installation source device is selected as installation target

[David Hedlund]

** Description changed:

- Traditional ISO installation tools could install only on USB flash
- drives. However, balenaEtcher, and Ventoy, can also install ISO on
- internal hard disk drives.
- 
- The benefit of installing from internal hard disk drives is that they:
- 
- * can always be mounted in the computer, so they will always be
- accessible
- 
- * they are faster than USB flash drives. Even the fastest USB flash
- drives are using compact internal hard disk drives like NVMe M.2.
- 
- #################
- Issue
- 
- The issue is that ubiquity (and probably subiquity) still is designed
- for USB flash drives, which means that they will not add a warning text
- next to the title for internal hard disk drives even if they are used as
- installation medium.
+ Step to reproduce
+ * Install Ventoy (https://github.com/ventoy/Ventoy/releases) a USB device.
+ * Copy ubuntu-23.04-desktop-amd64.iso to the VENTOY partition.
+ * Shut down the compuer
+ * Boot the Ventoy USB device, and select ubuntu-23.04-desktop-amd64.iso
  
  See Bug attachments "1-3-proposed.jpg", and "2-2-proposed.jpg", the red
  text "[installation source]" is the proposed text that I added with text
  manipulation software to make my idea clear.

** Description changed:

  Step to reproduce
- * Install Ventoy (https://github.com/ventoy/Ventoy/releases) a USB device.
+ * Install Ventoy (https://github.com/ventoy/Ventoy/releases) on a USB device.
  * Copy ubuntu-23.04-desktop-amd64.iso to the VENTOY partition.
  * Shut down the compuer
  * Boot the Ventoy USB device, and select ubuntu-23.04-desktop-amd64.iso
  
  See Bug attachments "1-3-proposed.jpg", and "2-2-proposed.jpg", the red
  text "[installation source]" is the proposed text that I added with text
  manipulation software to make my idea clear.
+ 
+ The same issue will be reproduced if you run Ventoy from a SATA SSD
+ without USB adapter.

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https://bugs.launchpad.net/bugs/2024332

Title:
  Warn if the installation source device is selected as installation
  target

Status in subiquity:
  New
Status in ubiquity package in Ubuntu:
  New

Bug description:
  Facts:
  * When a dedicated Ubuntu ISO is installed on a USB flash sticks (for example ubuntu-23.04-desktop-amd64.iso via usb-creator-gtk), the USB device will not be listed in the "Select drive" during the Ubuntu installation.
  * If you add a Ubuntu ISO (or several ISOs) to the multiboot ISO tool Ventoy, the USB device will be availble and even pre-selected in the "Select drive" during the Ubuntu installation.

  
  Step to reproduce
  * Install Ventoy (https://github.com/ventoy/Ventoy/releases) on a USB device.
  * Copy ubuntu-23.04-desktop-amd64.iso to the VENTOY partition.
  * Shut down the compuer
  * Boot the Ventoy USB device, and select ubuntu-23.04-desktop-amd64.iso

  See Bug attachments "1-3-proposed.jpg", and "2-2-proposed.jpg", the
  red text "[installation source]" is the proposed text that I added
  with text manipulation software to make my idea clear.

  The same issue will be reproduced if you run Ventoy from a SATA SSD
  without USB adapter.

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