Re: Partitioning in the installer

[Alyssa Ross <hi@alyssa.is>]

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"Dom (shymega) Rodriguez" <shymega@shymega.org.uk> writes:

> On 28.10.2025 11:08, Alyssa Ross wrote:
>>"Dom (shymega) Rodriguez" <shymega@shymega.org.uk> writes:
>>
>>> On 27.10.2025 18:05, Alyssa Ross wrote:
>>>>Demi Marie Obenour <demiobenour@gmail.com> writes:
>>>>
>>>>> I'm working on updates and am very close to getting something that at
>>>>> least runs.  However, the installer doesn't support more than three
>>>>> partitions, so I have to create the others manually.
>>>>>
>>>>> Where would the best place to address this be?  I'm not sure if this
>>>>> needs a patch to the installer's C source code, or if I should fix
>>>>> it in a script somewhere.
>>>>
>>>>Did you look at how GNOME OS does this yet?
>>>
>>> I've worked with the build tooling for GNOME OS as part of $dayjob, so
>>> if any help is needed understanding the structure, feel free to ping me
>>> on Matrix :-)
>>>
>>> It's [GNOME OS] based on freedesktop-sdk with Buildstream for
>>> integration. `genimage` is probably what you're after?
>>
>>I think what we're specifically interested in is actually the GNOME OS
>>installer, rather than the image generator.
>>
>>Do they have an installer that copies a disk image / partition images to
>>the target disk?  Does the installer image also provide a live GNOME OS
>>environment?  Do they have A/B updates?  How do those partitions get
>>created in the install process?
>
> Probably a question to ask in the GNOME OS Matrix channel, if there is
> one. 

We got our answer. :)

https://spectrum-os.org/lists/archives/spectrum-devel/87wm4dlkhz.fsf@alyssa.is

> Does Spectrum support A/B updates? Perhaps ChromeOS is worth a look at
> for inspiration of implementation detail.

That's the idea.  GNOME OS is the more obvious place to look because
we'll be using the same updater implementation (systemd-sysupdate).

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