[Bug 1745826] Re: grub update fails because new version of shim want remove shim-signed package

[Cyril Brulebois]

This failure to upgrade cleanly is due to the shim-signed FTBFS:
https://launchpad.net/ubuntu/+source/shim-
signed/1.33.1~16.04.1/+build/14262252

which given the Breaks against earlier versions make new shim and old
shim-signed non co-installable.

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Title:
  grub update fails because new version of shim want remove shim-signed
  package

Status in shim-signed package in Ubuntu:
  New

Bug description:
  I use Ubuntu 16.04 with proposed repository activated. Now there is an update of grub packages which fails:
  - grub-common
  - grub-efi-amd64
  - grub-efi-amd64-bin
  - grub-efi-amd64-signed
  - grub2-common
  - shim
  This update want change shim package from version 0.9+1474479173.6c180c6-1ubuntu1 to version 13-0ubuntu2. Update manager fails to do the update but Synaptic says me that if I do this change it needs to remove shim-signed package. So I guess there is something missing in the dependencies of the new shim package.

  What happened: update manager fails to complete the update and proposes to do a partial upgrade
  What is expected: update manager completes the update without error.

  Additional infos:
  $ lsb_release -rd
  Description:	Ubuntu 16.04.3 LTS
  Release:	16.04

  $ apt-cache policy shim
  shim:
    Installé : 0.9+1474479173.6c180c6-1ubuntu1
    Candidat : 13-0ubuntu2
   Table de version :
       13-0ubuntu2 500
          500 http://archive.ubuntu.com/ubuntu xenial-proposed/main amd64 Packages
   *** 0.9+1474479173.6c180c6-1ubuntu1 500
          500 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 Packages
          100 /var/lib/dpkg/status
       0.8-0ubuntu2 500
          500 http://archive.ubuntu.com/ubuntu xenial/main amd64 Packages

  jjbf at JBF-zenbook:~$ apt-cache policy shim-signed
  shim-signed:
    Installé : 1.32~16.04.1+0.9+1474479173.6c180c6-1ubuntu1
    Candidat : 1.32~16.04.1+0.9+1474479173.6c180c6-1ubuntu1
   Table de version :
   *** 1.32~16.04.1+0.9+1474479173.6c180c6-1ubuntu1 500
          500 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 Packages
          100 /var/lib/dpkg/status
       1.12+0.8-0ubuntu2 500
          500 http://archive.ubuntu.com/ubuntu xenial/main amd64 Packages

  
  Best regards. JBF

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