Quadlet/Container: Add GroupAdd option

[xkr47]

Does this PR introduce a user-facing change?

Quadlet/Container: Add GroupAdd option

I have not written anything in Go before and did not manage to run the test I added locally.

[packit-as-a-service[bot]]

Ephemeral COPR build failed. @containers/packit-build please check.

[xkr47]

Thanks for the PR

Thanks for being quick to review it proactively help me out!

The test case you've added is not executed. You need to add an entry here: https://github.com/containers/podman/blob/main/test/e2e/quadlet_test.go#L786 to pick it up

Tried to do that :crossed_fingers:

[ygalblum]

Please squash all commits into one (it will also solve the "Build Each Commit" test

[openshift-ci[bot]]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: xkr47, ygalblum

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[mheon]

LGTM

[xkr47]

Ah, right, forgot to mention, I ~copypasted the description from the podman-run manpage, so it might not be a perfect match stylewise. Let me know if you want me to work on that.

[ygalblum]

Ah, right, forgot to mention, I ~copypasted the description from the podman-run manpage, so it might not be a perfect match stylewise. Let me know if you want me to work on that.

Thanks for pointing this out. I've added a comment about it

[xkr47]

Pushed fixes and a typo in the mapping table. Let me know if you want me to squash the commits after the review.

Btw I guess it is customary not to do validation of the arguments at this stage but let podman report any errors, should there be any..?

[ygalblum]

Pushed fixes and a typo in the mapping table. Let me know if you want me to squash the commits after the review.

Btw I guess it is customary not to do validation of the arguments at this stage but let podman report any errors, should there be any..?

Yes, Quadlet leaves the argument validation to Podman. Please squash all commits

[ygalblum]

/lgtm