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Re: guix system disk-image: preset user profiles (packages & arbitrary d

From: Ludovic Courtès
Subject: Re: guix system disk-image: preset user profiles (packages & arbitrary data)
Date: Mon, 02 Jul 2018 17:21:35 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux)


Pierre Neidhardt <address@hidden> skribis:

> Ludovic Courtès <address@hidden> writes:
>> There are two things we could do:
>>   • Add an option to make the root file system persistent (easy).
>>   • Add an option to allow users to specify additional partitions in the
>>     disk image (which would be writable).  If you look at ‘qemu-image’
>>     in (gnu system vm), you’ll see there’s already a list of partitions
>>     there, and this is what needs to be modified.
>> My preference goes to the second option; it’s a bit more work, but it’s
>> not too hard.
> With option 2, you mean that we could add new writable partitions, but
> _also_ make the root partition writable, right?

No, simply add new writable partitions.

> It seems to be the most straightforward approach to me.
> How else would you attack option 1?

Just set #:volatile-root? #f in ‘system-disk-image’ in (gnu system vm).

> Alternatively, isn't all this exactly the same as installing directly
> onto a USB drive, following the regular installation procedure?
> Namely
>      herd start cow-store /mnt
>      guix system init /my/usb/config.scm /mnt 

It is, but running ‘guix system init’ and all is cumbersome.


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