[Bug 1916250] Re: gir1.2-signon-2.0 needs to declare replace on older releases (Groovy2Hirsute)

[Robie Basak]

Thank you for working on this!

Conflicts is a little too strong perhaps, and are best avoided to give
apt the most leeway to resolve things. Can you pick from
https://wiki.debian.org/PackageTransition please? Unversioned is also
unusual; I'd expect versioned relationships in this case I think.

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https://bugs.launchpad.net/bugs/1916250

Title:
  gir1.2-signon-2.0 needs to declare replace on older releases
  (Groovy2Hirsute)

Status in libsignon-glib package in Ubuntu:
  New

Bug description:
  gir1.2-signon-1.0 from groovy
  gir1.2-signon-2.0 from hirsute

  above two packages ship the same file /usr/lib/python3/dist-
  packages/gi/overrides/Signon.py without specifying how to resolve the
  conflict.

  Unpacking gir1.2-signon-2.0:amd64 (2.1-3) ...
  dpkg: error processing archive /var/cache/apt/archives/gir1.2-signon-2.0_2.1-3_amd64.deb (--unpack):
   trying to overwrite '/usr/lib/python3/dist-packages/gi/overrides/Signon.py', which is also in package gir1.2-signon-1.0 1.14+17.04.20161117-0ubuntu5
  Errors were encountered while processing:
   /var/cache/apt/archives/gir1.2-signon-2.0_2.1-3_amd64.deb
  E: Sub-process /usr/bin/dpkg returned an error code (1)

  Probably needs a conflicts/replaces dependency added to the newer
  hirsute package.

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