[Bug 2048962] [NEW] Icon cache and other appstream data are on the ISO because of live-build.

[wontfix]

Public bug reported:

Steps to reproduce
Create VM with networking off.
Boot Ubuntu ISO in Live testing mode.

du -h /var/lib/swcatalog
ls -a /var/lib/apt/lists
du -h /var/lib/apt/lists

The amount is larger than I expected when you look at what wouldn't be
installed from a non-live ISO due to live-build not cleaning up after
appstream. This also glitches the snap store which falls back to
appstream icons if they exist. On first run you can sometimes see them
shifting around and glitching the UI as you work through the app on poor
WiFi or cellular connections.

Debian has the same behavior for live ISOs but does not for the normal
large ISOs.

** Affects: live-build (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: bloat jammy mantic noble

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https://bugs.launchpad.net/bugs/2048962

Title:
  Icon cache and other appstream data are on the ISO because of live-
  build.

Status in live-build package in Ubuntu:
  New

Bug description:
  Steps to reproduce
  Create VM with networking off.
  Boot Ubuntu ISO in Live testing mode.

  du -h /var/lib/swcatalog
  ls -a /var/lib/apt/lists
  du -h /var/lib/apt/lists

  The amount is larger than I expected when you look at what wouldn't be
  installed from a non-live ISO due to live-build not cleaning up after
  appstream. This also glitches the snap store which falls back to
  appstream icons if they exist. On first run you can sometimes see them
  shifting around and glitching the UI as you work through the app on
  poor WiFi or cellular connections.

  Debian has the same behavior for live ISOs but does not for the normal
  large ISOs.

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