I followed the steps in the test case when upgrading from bionic to cosmic and it passed. In the main.log file of the upgrade using 'do- release-upgrade -p' we can see url_downloadable is called only once and that the universe entry is still enabled.
2019-04-15 10:13:22,505 INFO Using config files '['./DistUpgrade.cfg']' 2019-04-15 10:13:22,505 INFO uname information: 'Linux clean-bionic-amd64 4.15.0-47-generic #50-Ubuntu SMP Wed Mar 13 10:44:52 UTC 2019 x86_64' 2019-04-15 10:13:22,517 INFO apt version: '1.6.10' 2019-04-15 10:13:22,517 INFO python version: '3.6.7 (default, Oct 22 2018, 11:32:17) [GCC 8.2.0]' 2019-04-15 10:13:22,517 INFO release-upgrader version '18.10.11.6' started ... 2019-04-15 10:13:47,165 DEBUG examining: 'deb http://ubuntu.osuosl.org/ubuntu bionic main restricted multiverse' 2019-04-15 10:13:47,165 DEBUG verifySourcesListEntry: deb http://ubuntu.osuosl.org/ubuntu cosmic main restricted multiverse 2019-04-15 10:13:47,166 DEBUG url_downloadable: http://ubuntu.osuosl.org/ubuntu/dists/cosmic/Release 2019-04-15 10:13:47,166 DEBUG s='http' n='ubuntu.osuosl.org' p='/ubuntu/dists/cosmic/Release' q='' f='' 2019-04-15 10:13:47,330 DEBUG entry 'deb http://ubuntu.osuosl.org/ubuntu cosmic main restricted multiverse' updated to new dist 2019-04-15 10:13:47,331 DEBUG examining: 'deb http://ubuntu.osuosl.org/ubuntu bionic-updates main restricted multiverse' 2019-04-15 10:13:47,331 DEBUG entry 'deb http://ubuntu.osuosl.org/ubuntu cosmic-updates main restricted multiverse' updated to new dist 2019-04-15 10:13:47,331 DEBUG examining: 'deb http://ubuntu.osuosl.org/ubuntu bionic-security main restricted multiverse' 2019-04-15 10:13:47,332 DEBUG entry 'deb http://ubuntu.osuosl.org/ubuntu cosmic-security main restricted multiverse' updated to new dist 2019-04-15 10:13:47,332 DEBUG examining: 'deb http://ubuntu.osuosl.org/ubuntu bionic universe' 2019-04-15 10:13:47,332 DEBUG entry 'deb http://ubuntu.osuosl.org/ubuntu cosmic universe' updated to new dist Setting to verification-done for bionic and cosmic. ** Tags removed: verification-needed verification-needed-bionic verification-needed-cosmic ** Tags added: verification-done verification-done-bionic verification-done-cosmic -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1822886 Title: universe missing after bionic->cosmic do-release-upgrade To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1822886/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs