** Package changed: gdm3 (Ubuntu) => ubuntu-release-upgrader (Ubuntu)
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https://bugs.launchpad.net/bugs/1797636
Title:
unattended do-release-upgrade to cosmic asks about
/etc/gdm3/custom.conf
Status in ubuntu-release-upgrader package in Ubuntu:
New
Bug description:
I'm trying to do some automated testing that involved upgrading a
system from bionic to cosmic, so I need it to not ask for user input.
Before running do-release-upgrade, the system got a fresh dist-upgrade
and reboot.
To avoid interactive responses, I'm using:
$ sudo do-release-upgrade -d -f DistUpgradeViewNonInteractive
Part way through the upgrade, I do get prompted for something though:
Setting up gdm3 (3.30.1-1ubuntu1) ...
Configuration file '/etc/gdm3/custom.conf'
==> Modified (by you or by a script) since installation.
==> Package distributor has shipped an updated version.
What would you like to do about it ? Your options are:
Y or I : install the package maintainer's version
N or O : keep your currently-installed version
D : show the differences between the versions
Z : start a shell to examine the situation
The default action is to keep your current version.
*** custom.conf (Y/I/N/O/D/Z) [default=N] ?
I also found this in /var/log/dist-upgrade/main.log:
2018-10-12 16:36:44,910 WARNING got a conffile-prompt from dpkg for file:
'/etc/gdm3/custom.conf'
2018-10-12 16:36:49,915 ERROR error 'a bytes-like object is required, not
'str'' when trying to write to the conffile
Shouldn't the '-f DistUpgradeViewNonInteractive' have prevented this
from getting asked?
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