I've verified the test case for an upgrade from Bionic to Cosmic.
bdmurray@clean-bionic-amd64:~$ grep vte /var/log/dist-upgrade/apt-term.log
Preparing to unpack .../143-libvte-2.91-common_0.52.2-1ubuntu1_all.deb ...
Unpacking libvte-2.91-common (0.52.2-1ubuntu1) over (0.52.2-1ubuntu1~18.04.2)
...
Preparing to unpack .../144-libvte-2.91-0_0.52.2-1ubuntu1_amd64.deb ...
Unpacking libvte-2.91-0:amd64 (0.52.2-1ubuntu1) over (0.52.2-1ubuntu1~18.04.2)
...
Preparing to unpack .../145-gir1.2-vte-2.91_0.52.2-1ubuntu1_amd64.deb ...
Unpacking gir1.2-vte-2.91:amd64 (0.52.2-1ubuntu1) over
(0.52.2-1ubuntu1~18.04.2) ...
Setting up libvte-2.91-common (0.52.2-1ubuntu1) ...
Setting up libvte-2.91-0:amd64 (0.52.2-1ubuntu1) ...
Setting up gir1.2-vte-2.91:amd64 (0.52.2-1ubuntu1) ...
bdmurray@clean-bionic-amd64:~$ grep -C5 "/etc/issue"
/var/log/dist-upgrade/apt-term.log
Warning: Stopping motd-news.service, but it can still be activated by:
motd-news.timer
Unpacking base-files (10.1ubuntu4) over (10.1ubuntu2) ...
Setting up base-files (10.1ubuntu4) ...
Configuration file '/etc/issue'
==> 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.
*** issue (Y/I/N/O/D/Z) [default=N] ? y
Installing new version of config file /etc/issue ...
However, given the potential for a regression some additional testing
should be done.
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Packages, which is subscribed to vte2.91 in Ubuntu.
https://bugs.launchpad.net/bugs/1780501
Title:
Traceback calling Vte.Terminal.feed_child()
Status in ubuntu-release-upgrader package in Ubuntu:
Triaged
Status in vte2.91 package in Ubuntu:
Won't Fix
Status in ubuntu-release-upgrader source package in Bionic:
Invalid
Status in vte2.91 source package in Bionic:
Fix Committed
Bug description:
[Test Case]
1) Ensure the following packages from -updates (version
0.52.2-1ubuntu1~18.04.1) are installed on an Ubuntu 18.04 system:
gir1.2-vte-2.91 libvte-2.91-0 libvte-2.91-common
2) Modify /etc/issue e.g. I changed 18.04 to 18.04.2
3) Ensure /etc/update-manager/release-upgrades contains "Prompt=normal"
4) Run /usr/lib/ubuntu-release-upgrader/check-new-release-gtk -d
5) When prompted about replacing "the customized configuration file
'/etc/issue'" click Keep
6) Observe a traceback in Vte.Terminal.feed_child()
After installing the new version of vte2.91 in -proposed you should no
longer receive a Traceback when clicking keep during the upgrade
process.
[Regression Potential]
Per laney: "The regression potential is that I messed up the upload and
everything using feed* breaks."
It'd probably be good to test guake too since it uses feed_child().
[Original Description]
I was upgrading from Bionic to Cosmic when I received a conffile prompt
regarding /etc/update-initramfs/initramfs.conf, I clicked keep and then saw
this Traceback:
Original exception was:
Traceback (most recent call last):
File "/tmp/ubuntu-release-upgrader-filpk342/cosmic", line 8, in <module>
sys.exit(main())
File
"/tmp/ubuntu-release-upgrader-filpk342/DistUpgrade/DistUpgradeMain.py", line
238, in main
if app.run():
File
"/tmp/ubuntu-release-upgrader-filpk342/DistUpgrade/DistUpgradeController.py",
line 1949, in run
return self.fullUpgrade()
File
"/tmp/ubuntu-release-upgrader-filpk342/DistUpgrade/DistUpgradeController.py",
line 1912, in fullUpgrade
if not self.doDistUpgrade():
File
"/tmp/ubuntu-release-upgrader-filpk342/DistUpgrade/DistUpgradeController.py",
line 1248, in doDistUpgrade
res = self.cache.commit(fprogress,iprogress)
File
"/tmp/ubuntu-release-upgrader-filpk342/DistUpgrade/DistUpgradeCache.py", line
293, in commit
apt.Cache.commit(self, fprogress, iprogress)
File "/usr/lib/python3/dist-packages/apt/cache.py", line 606, in commit
pm = apt_pkg.PackageManager(self._depcache)
File "/usr/lib/python3/dist-packages/apt/cache.py", line 569, in
install_archives
# compat with older API
File
"/tmp/ubuntu-release-upgrader-filpk342/DistUpgrade/DistUpgradeView.py", line
229, in run
res = os.WEXITSTATUS(self.wait_child())
File
"/tmp/ubuntu-release-upgrader-filpk342/DistUpgrade/DistUpgradeViewGtk3.py",
line 340, in wait_child
self.update_interface()
File
"/tmp/ubuntu-release-upgrader-filpk342/DistUpgrade/DistUpgradeViewGtk3.py",
line 347, in update_interface
InstallProgress.update_interface(self)
File "/usr/lib/python3/dist-packages/apt/progress/base.py", line 252, in
update_interface
if err.errno != errno.EAGAIN and err.errno != errno.EWOULDBLOCK:
File
"/tmp/ubuntu-release-upgrader-filpk342/DistUpgrade/DistUpgradeViewGtk3.py",
line 276, in conffile
self.term.feed_child("n\n", -1)
TypeError: Vte.Terminal.feed_child() takes exactly 2 arguments (3 given)
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