Multi-laptop naming scheme for build files

[Gonzalo Odiard]

Why not use the same prexix as in the firmware:

XO-3 = Q5
XO-1.75 = Q4
XO-1.5 = Q3
XO-1 = Q2

Is not better, but value is having a single convention.

Gonzalo

On Wed, Mar 14, 2012 at 6:29 PM, Daniel Drake <dsd at laptop.org> wrote:

> Hi,
>
> Right now, build files for XO-1.5 and XO-1.75 have the same filename
> (#11226). There have been a few requests that we move to a naming
> scheme that has a different filename in this case so that the files
> can live together on a USB disk and generally not be so easily
> confused.
>
> Some work needs to be done before that is possible, but we also need a
> naming scheme. I think the key considerations for this are:
>
> 1. Future proofing. It should be resilient to the introduction of
> future products that use the same architecture and disk image format.
>
> 2. Short names. OFW only understands 8.3 for FAT. Also, deployments
> sometimes like to customise the 8 part too e.g. per703-2.img for Peru,
> and I've seen others putting codes after the osXXX part, e.g.
> os880j.img. Let's try and leave space for customisation here.
>
> 3. Uses only file name (the 8 part), not the extension (the 3 part).
> This sticks with general computing world conventions and agrees with
> some olpc-os-builder implementation details which allow the user to
> customise the name but not extension, where olpc-os-builder can
> guarantee that output files from different modules do not have
> conflicting names.
>
>
> Based on this and previous discussions I think we could go with something
> like:
>
> 1. single-character ID for product type. 'a' for XO-1, 'b' for XO-1.5,
> 'c' for XO-1.75, ...
> 2. build number
> 3. a "."
> 4. extension
>
> e.g.
>
> 'a900.img' - build 900 copy-nand image for XO-1
> 'b900.zd4' - build 900 4GB image for XO-1.5
> 'c900.zd4' - build 900 4GB image for XO-1.75
>
> Thoughts/other ideas?
>
> Thanks,
> Daniel
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