trivial: ci: install coverage

[superm1]

hopefully fixes coveralls

Type of pull request:

• New plugin (Please include new plugin checklist)
• Code fix
• Feature
• Documentation

[superm1]

Well so that's interesting - it fails on 0.6.9 too! I wonder if this is a fwupd problem.

[hughsie]

@superm1 what does coverage.xml show? Is it an empty file or something weird perhaps?

[superm1]

@superm1 what does coverage.xml show? Is it an empty file or something weird perhaps?

let's see, I just changed the job to save it to artifacts so we can tell.

[superm1]

It's empty!

[superm1]

My conclusion from that finding is something must have changed in the Debian container that broke coverage. It just starts to show up today because containers regenerated about 16 hours ago.

[hughsie]

something must have changed in the Debian container

Can we compare the .debs that were used in each?

[superm1]

It's a bit difficult to run diff on without some fancy pants filtering tools. You got any good ways?

old_2_push_to_registry (debian-x86_64).txt
new_2_push_to_registry (debian-x86_64).txt

[superm1]

But at least for the biggies.

• Same gcovr version 7.0-1
• Same GCC 13.2.0-23

[hughsie]

It's a bit difficult to run diff on without some fancy pants filtering tools. You got any good ways?

I've got python! :) Easier files to diff attached -- but no smoking gun.

old.txt
new.txt