[systemd-devel] udev remove event no longer contains ID_VENDOR_ID/ID_MODEL_ID

[Matt Turner]

On Thu, Aug 17, 2023 at 11:09 AM Matt Turner <mattst88 at gmail.com> wrote:
>
> Hello,
>
> I'm working on updating ChromeOS's ancient udev-225 + 24 patches to udev-249.9.
>
> In the course of testing, we discovered that udev remove events no
> longer contain ID_VENDOR_ID or ID_MODEL_ID. Apparently this change
> happened sometime between v225 and v239 (it was noticed during an
> earlier attempt to update udev to 239). Someone questioned whether
> this was an intentional change or a bug, and I suspect it's
> intentional and requires some changes to ChromeOS.
>
> I searched but didn't find anything in git log v225..v239, but I
> easily could have missed something "obvious" in ~15k commits.
>
> Before I bisect to find where the change happened, does anyone happen
> to remember offhand?
>
> Thanks,
> Matt

FWIW, we discovered that the vendor/model/revision IDs are also
available in the PRODUCT= variable (in both v225 and v249) so we've
switched to using that.