[Bug 1799010] [NEW] SRU - missing breaks/replaces for Bionic -> Cosmic upgrade

[Rik Mills]

Public bug reported:

Breeze (4:5.13.5-0ubuntu2
Cosmic 18.10


Preparing to unpack .../breeze_4%3a5.13.5-0ubuntu2_amd64.deb ...
Unpacking breeze (4:5.13.5-0ubuntu2) over (4:5.12.6-0ubuntu0.1) ...
dpkg: error processing archive /var/cache/apt/archives/breeze_4%3a5.13.5-0ubuntu2_amd64.deb (--unpack):
 trying to overwrite '/usr/share/metainfo/org.kde.breezedark.desktop.appdata.xml', which is also in package plasma-look-and-feel-org-kde-breezedark-desktop 4:5.12.6-0ubuntu0.1
dpkg-deb: error: paste subprocess was killed by signal (Broken pipe)
Errors were encountered while processing:
 /var/cache/apt/archives/breeze_4%3a5.13.5-0ubuntu2_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)

Appropriate breaks/replaces were in place, but these got accidentally
dropped in a debian merge. Test upgrades prior to release did not see
this issue, but appears it can happen in some case depending on how
things are processed.

[Impact]

 * Fix a corner case failure in Bionic -> Cosmic upgrades

[Test Case]

 * Manual switch sources.list to Cosmic, and try to upgrade breeze

[Regression Potential]

 * Restoration of breaks/replaces, so main risk is somehow finding
upgrade impossible (unlikely) or the general risk associated with
rebuilding a source to change package relationships. Both are minimal.

** Affects: breeze (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: breeze (Ubuntu Cosmic)
     Importance: Undecided
         Status: New

** Also affects: breeze (Ubuntu Cosmic)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1799010

Title:
  SRU - missing breaks/replaces for Bionic -> Cosmic upgrade

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