This bug was fixed in the package livecd-rootfs - 2.525.20
---------------
livecd-rootfs (2.525.20) bionic; urgency=medium
[ Steve Langasek ]
* Drop /etc/update-motd.d/51-cloudguest from cloud images; this is not
consistent with current Ubuntu Advantage product language. Any future
customizations to update-motd for cloud images should be done via a
package instead.
[ Julian Andres Klode ]
* Minimize the number of manually installed packages in images by marking
dependencies of metapackages as automatically installed. (LP: #1800610);
but do not mark direct dependencies of ubiquity as auto installed. This
caused cryptsetup to remain auto on the installed system in bionic (see
LP #1801629)
-- Steve Langasek <steve.langa...@ubuntu.com> Thu, 14 Mar 2019
11:04:49 -0700
** Changed in: livecd-rootfs (Ubuntu Bionic)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1800610
Title:
[SRU] minimize number of manually installed packages
Status in livecd-rootfs package in Ubuntu:
Fix Released
Status in livecd-rootfs source package in Xenial:
New
Status in livecd-rootfs source package in Bionic:
Fix Released
Bug description:
[Impact]
Releases prior to cosmic mark almost all packages manually installed, meaning
that obsolete packages are not autoremoved when they should. We fixed this in
cosmic, in trunk r1695, by including a new script that marks as automatically
installed all dependencies of manually-installed metapackages.
[Test case]
Run a build and check in the log that some packages are visited by the script
in more than one iterations.
[Regression potential]
First of all, this does not change existing installations; only new ones. The
change can cause packages to be autoremoved that were not autoremoved before
after performing a package management operation, or dependency change in
packages.
The change is essentially safe: Since we only mark dependencies of
packages in the section "metapackages", and since those receive
special treatment by apt:
1. removal due to dependencies/conflicts: the manual bit transfers from the
meta to its deps
2. explicit removal (apt remove meta): meta and its dependencies are removed
It is not possible to accidentally uninstall the entire metapackage
with its dependencies.
To manage notifications about this bug go to:
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