I tested a release upgrade from Bionic to Cosmic with https entries in my sources.list file. With the version of the release upgrader in the -updates pocket I was not allowed to upgrade however when I tried to upgrade using 'do-release-upgrade -p' the upgrade was successfully calculated. Here's an excerpt from /var/log/dist-upgrade/main.log:
I tested a release upgrade from Bionic to Cosmic with https entries in my sources.list file. With the version of the release upgrader in the -updates pocket I was not allowed to upgrade however when I tried to upgrade using 'do-release-upgrade -p' the upgrade was successfully calculated. Here's an excerpt from /var/log/ dist-upgrade/ main.log:
2019-04-15 09:15:10,252 DEBUG examining: 'deb https:/ /ubuntu. osuosl. org/ubuntu bionic main restricted universe multiverse' apt-torrent style uri https:/ /ubuntu. osuosl. org/ubuntu stEntry: deb https:/ /ubuntu. osuosl. org/ubuntu cosmic main restricted universe multiverse /ubuntu. osuosl. org/ubuntu/ dists/cosmic/ Release osuosl. org' p='/ubuntu/ dists/cosmic/ Release' q='' f='' /ubuntu. osuosl. org/ubuntu cosmic main restricted universe multiverse' updated to new dist
2019-04-15 09:15:10,253 DEBUG found apt-cacher/
2019-04-15 09:15:10,253 DEBUG verifySourcesLi
2019-04-15 09:15:10,253 DEBUG url_downloadable: https:/
2019-04-15 09:15:10,253 DEBUG s='https' n='ubuntu.
2019-04-15 09:15:10,623 DEBUG entry 'deb https:/
The "apt-cacher/ apt-torrent" message is a bit strange but it worked.