RE: [PATCH 0/6] imagetypes

["Moessbauer, Felix" <felix.moessbauer@siemens.com>]

Hi Adriaan,

> -----Original Message-----
> From: isar-users@googlegroups.com <isar-users@googlegroups.com> On
> Behalf Of Adriaan Schmidt
> Sent: Thursday, February 10, 2022 7:25 AM
> To: isar-users@googlegroups.com
> Cc: Schmidt, Adriaan (T CED SES-DE) <adriaan.schmidt@siemens.com>
> Subject: [PATCH 0/6] imagetypes
> 
> This series introduces image types and conversions as known from OE.
> The main motivation is to provide a more flexible way of generating and
> processing images, without the need to insert custom tasks (e.g., currently
> we have custom classes adding tasks for things like bz2 or xz compression of
> images in several downstream layers).
> 
> These patches have been tested on some of our layers, and also work with
> some more "challenging" use cases like image-in-image recipes and custom
> image types brought by layers.
> 
> It's not perfect (e.g., documentation is still missing). Also I added just the
> bare minimum of conversions, so there should probably be follow-ups for
> additional compressions, or things like checksums, which can also be nicely
> done with this.
> 
> - p1 prepares by removing image-type-suffix from image build directories,
>   which enables sharing of the completed rootfs across image types
> - p2 refactors the SDK, and makes it an image feature instead of
>   a separate recipe (has been discussed here a while ago)
> - p3 does the actual work, but keeps all original files

At least for wic images, the bmap files are now written to `<image>.bmap.wic`, instead of `<image>.wic.bmap`.
This is at least an API change and breaks some CI and flashing workflows.
Don't know if that is intentional, but I prefer to have it like before.

Best regards,
Felix

> - p4 moves code to different files
> - p5 adapts meta-isar
> - p6 removes IMAGE_FSTYPES as a dimension in multiconfig. Now that
>   we can build multiple types from one rootfs, multconfig is
>   just the wrong way of doing this (also been discussed here).