Please remove usrmerge from noble

[Ravi Kant Sharma]

Reason:
Transitional package to convert the system to the merged /usr directories scheme. All systems since 22.04 already have merged /usr directories scheme.

See https://code.launchpad.net/~vorlon/ubuntu-seeds/+git/platform/+merge/459545 for more details.

$ reverse-depends src:usrmerge
$

$ reverse-depends -b src:usrmerge
Reverse-Testsuite-Triggers
==========================
* dhcpcd (for usrmerge)
* mmdebstrap (for usrmerge)

[Ravi Kant Sharma (ravi-sharma)]

I believe dhcpcd and mmdebstrap should remove dependency on usrmerge before removal.

[Steve Langasek (vorlon)]

We do not block package removals on testsuite triggers. Please follow up on those packages separately to remove the test dependencies.

[Steve Langasek (vorlon)]

Removing packages from noble:
 usrmerge 38ubuntu1 in noble
  usr-is-merged 38ubuntu1 in noble amd64
  usr-is-merged 38ubuntu1 in noble arm64
  usr-is-merged 38ubuntu1 in noble armhf
  usr-is-merged 38ubuntu1 in noble i386
  usr-is-merged 38ubuntu1 in noble ppc64el
  usr-is-merged 38ubuntu1 in noble riscv64
  usr-is-merged 38ubuntu1 in noble s390x
  usrmerge 38ubuntu1 in noble amd64
  usrmerge 38ubuntu1 in noble arm64
  usrmerge 38ubuntu1 in noble armhf
  usrmerge 38ubuntu1 in noble i386
  usrmerge 38ubuntu1 in noble ppc64el
  usrmerge 38ubuntu1 in noble riscv64
  usrmerge 38ubuntu1 in noble s390x
Comment: usrmerge transition in Ubuntu is done, this package is counterproductive; LP: #2051528
1 package successfully removed.

And blocklisted.

[Dimitri John Ledkov (xnox)]

i would feel slightly safer if ubuntu-release-upgrader would prevent upgrades to noble, if the system is still not usrmerged somehow.

we only added usrmerge in jammy; and some people will try to do jumps from focal to noble; skipping jammy and thus end up non-usrmerge.

are those protections in place somewhere else now?