[Bug 1975533] Re: No longer possible to use do-release-upgrade on Groovy

[Brian Murray]

** Changed in: ubuntu-release-upgrader (Ubuntu Impish)
     Assignee: (unassigned) => Brian Murray (brian-murray)

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https://bugs.launchpad.net/bugs/1975533

Title:
  No longer possible to use do-release-upgrade on Groovy

Status in ubuntu-release-upgrader package in Ubuntu:
  Confirmed
Status in ubuntu-release-upgrader source package in Impish:
  Confirmed

Bug description:
  I tried running `do-release-upgrade` on an Ubuntu 20.10 (Groovy
  Gorilla) system and received an error message from dist-upgrader
  tarball that an upgrade from Groovy to Impish is not supported. This
  is because DistUpgrade.cfg (distributed by the tarball) contains
  `From=Hirsute` and `To=Impish`.

  A minimal fix for this would be to create a DistUpgrade.cfg.groovy and
  ensure `From=Groovy`. You'd want to look at the contents of
  DistUpgrade.cfg and DistUpgrade.cfg.focal to sort out what
  DistUpgrade.cfg.groovy should contain. We might also want to create a
  new demoted.cfg file but the demoted.cfg.focal file might capture
  everything that was demoted. (For what its worth I tested an upgrade
  of a stock Ubuntu 20.10 system to Ubuntu 21.10 by copying
  DistUpgrade.cfg.focal to DistUpgrade.cfg.groovy and did not run into
  any issues.

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