[Bug 2028213] Re: ISOs with the new installer are 34% bigger than legacy ISOs

[Daniel van Vugt]

Seems the problem is two copies of each snap in the one ISO:

minimal.standard.live.squashfs: /var/lib/snapd/seed/snaps

4.0K	bare_5.snap
74M	core22_817.snap
67M	cups_980.snap
246M	firefox_2916.snap
47M	ghostscript-printer-app_769.snap
486M	gnome-42-2204_120.snap
92M	gtk-common-themes_1535.snap
39M	gutenprint-printer-app_702.snap
62M	hplip-printer-app_788.snap
4.1M	ipp-usb_101.snap
46M	ps-printer-app_1214.snap
54M	snapd_19457.snap
452K	snapd-desktop-integration_83.snap
13M	snap-store_959.snap
129M	ubuntu-desktop-installer_1153.snap
1.4G	total

minimal.squashfs: /var/lib/snapd/seed/snaps

4.0K	bare_5.snap
74M	core22_817.snap
67M	cups_980.snap
246M	firefox_2916.snap
47M	ghostscript-printer-app_769.snap
486M	gnome-42-2204_120.snap
92M	gtk-common-themes_1535.snap
39M	gutenprint-printer-app_702.snap
62M	hplip-printer-app_788.snap
4.1M	ipp-usb_101.snap
46M	ps-printer-app_1214.snap
54M	snapd_19457.snap
452K	snapd-desktop-integration_83.snap
13M	snap-store_959.snap
1.2G	total

The snaps haven't gotten any bigger compared to legacy, only duplicated.

** Description changed:

  For example:
  mantic-desktop-legacy-amd64.iso | 2023-07-18 09:06 | 3.8G (https://cdimage.ubuntu.com/daily-legacy/)
  mantic-desktop-amd64.iso | 2023-07-18 08:28 | 5.1G (https://cdimage.ubuntu.com/daily-live/)
  
  Slightly less severe in lunar:
  ubuntu-23.04-desktop-legacy-amd64.iso | 2023-04-17 22:28 | 3.6G (https://cdimage.ubuntu.com/releases/23.04/release/)
  ubuntu-23.04-desktop-amd64.iso | 2023-04-18 21:06 | 4.6G (https://releases.ubuntu.com/23.04/)
+ 
+ First reported in:
+ https://github.com/canonical/ubuntu-desktop-installer/issues/2253

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https://bugs.launchpad.net/bugs/2028213

Title:
  ISOs with the new installer are 34% bigger than legacy ISOs

Status in livecd-rootfs package in Ubuntu:
  New

Bug description:
  For example:
  mantic-desktop-legacy-amd64.iso | 2023-07-18 09:06 | 3.8G (https://cdimage.ubuntu.com/daily-legacy/)
  mantic-desktop-amd64.iso | 2023-07-18 08:28 | 5.1G (https://cdimage.ubuntu.com/daily-live/)

  Slightly less severe in lunar:
  ubuntu-23.04-desktop-legacy-amd64.iso | 2023-04-17 22:28 | 3.6G (https://cdimage.ubuntu.com/releases/23.04/release/)
  ubuntu-23.04-desktop-amd64.iso | 2023-04-18 21:06 | 4.6G (https://releases.ubuntu.com/23.04/)

  First reported in:
  https://github.com/canonical/ubuntu-desktop-installer/issues/2253

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