[Bug 1821640] Re: Missing pattern for linux-image-unsigned keeps autoremovable kernels on the system

[Julian Andres Klode]

** Description changed:

- Unattended-upgrades keeps versioned kernel packages because they don't
- match known kernel package patterns:
+ [Impact]
+ Unattended-upgrades keeps versioned kernel packages because they don't match known kernel package patterns:
  
  ...
  Keeping auto-removable linux-modules-4.18.0-14-generic package(s) because it would also remove the following packages which should be kept in this step: linux-image-unsigned-4.18.0-14-generic
  ...
  
  For reproduction see LP: #1795696, but running u-u with --verbose.
+ 
+ And APT does not apply proper kernel-version based protection to it.
+ 
+ [Test case]
+ linux-image-unsigned should popup in the same list in 01autoremove-kernels as linux-signed-image, and should be autoremovable iff it's signed counterpart is autoremovable.
+ 
+ [Regression potential]
+ Not really any, it's just an additional string in the entry.

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https://bugs.launchpad.net/bugs/1821640

Title:
  Missing pattern for linux-image-unsigned keeps autoremovable kernels
  on the system

Status in apt package in Ubuntu:
  Triaged

Bug description:
  [Impact]
  Unattended-upgrades keeps versioned kernel packages because they don't match known kernel package patterns:

  ...
  Keeping auto-removable linux-modules-4.18.0-14-generic package(s) because it would also remove the following packages which should be kept in this step: linux-image-unsigned-4.18.0-14-generic
  ...

  For reproduction see LP: #1795696, but running u-u with --verbose.

  And APT does not apply proper kernel-version based protection to it.

  [Test case]
  linux-image-unsigned should popup in the same list in 01autoremove-kernels as linux-signed-image, and should be autoremovable iff it's signed counterpart is autoremovable.

  [Regression potential]
  Not really any, it's just an additional string in the entry.

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