Re: [PATCH] crosvm: Rename `--vhost-user-{fs,gpu}` args

[Alyssa Ross <hi@alyssa.is>]

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Dom Rodriguez <shymega@shymega.org.uk> writes:

> On 06.09.2024 13:22, Alyssa Ross wrote:
>>Dom Rodriguez <shymega@shymega.org.uk> writes:
>>
>>> crosvm was producing warnings when using `--vhost-user-gpu` and
>>> `--vhost-user-fs`.
>>>
>>> In this commit, I have adjusted the `crosvm` invocations to look
>>> something like `--vhost-user $DEVICE`, where `$DEVICE` is, in this case,
>>> `gpu` or `fs`.
>>>
>>> I have run unit tests, but would appreciate testing.
>>
>>How did you run them?  release/checks/wayland is failing:
>>
>>vm-test-run-spectrum-wayland> machine # [   14.028205] crosvm[968]: [2024-09-06T11:19:20.132395456+00:00 ERROR crosvm] arg parsing failed: Error parsing option '--vhost-user' with value 'gpu': missing field `socket`
>>vm-test-run-spectrum-wayland> machine # [   14.029442] crosvm[968]:  [src/main.rs:737] arg parsing failed: Error parsing option '--vhost-user' with value 'gpu': missing field `socket`
>>
>>Does it need to be (from memory) --vhost-user gpu,socket=path or something?
>
> I thought I had tested them, but as it turned out, the command I used
> was only for shellcheck. I've run unit tests again, and all seems to
> pass. I've queued up the v2 patch for review.

Do you think we could change anything about the documentation to avoid
people making that mistake in future?  It's hard to anticipate what will
confuse people in advance.

> Just a side note from my article about Flakes - we could use the
> `checks` output to run on the `pre-commit` Git hook. This could then
> check the commit message, run tests, etc.

We could do that already, right?  There's already a command you can run
to run all the checks.  My concern would be that some of the checks are
slow (the ones that involve building images), so I think we might want a
release/checks/fast.nix or something so it's not too annoying — I find
slow pre-commit hooks to be a real drag if I want to keep rewording or
slightly modifying a commit.  The flake eval cache would certainly help
with the other slow bit (Nix eval), though.

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