[DO NOT MERGE] Debug compose_v2 CI

[felixfontein]

SUMMARY

Since Docker Compose 2.33.0 CI is failing. (Maybe it's fixed by 2.33.1, which has been released a couple of hours ago.)

ISSUE TYPE

• Test Pull Request

COMPONENT NAME

CI

[felixfontein]

While Compose 2.33.1 is out, the faililng tests still run with 2.33.0. Note that some passing tests also run with 2.33.0, for example the Arch Linux tests. My guess is that Arch builds Compose slightly different than Docker themselves.

It's too bad that Docker themselves are not providing Debian/Ubuntu packages for Compose 2.33.1 yet...

[felixfontein]

Looks like this is actually a bug in Docker CLI, not in Docker Compose. It was introduced in docker/cli#5229 (which got included in 28.0.0), and fixed in docker/cli#5854, which unfortunately isn't included in 28.0.0 yet.

[felixfontein]

28.0.1 has been released, and tests now pass, except on Arch Linux, which upgraded its Docker to 28.0.0 by now, but not to 28.0.1 ;-)

(Arch Linux isn't failling here since I only restarted the failing tests, and the previous successful runs were several days ago when Arch still had < 28.0.0.)