Re: [PATCH 0/8] Make all sstate artifacts reproducible

[Zhihang Wei <wzh@ilbers.de>]

Applied to next, thanks.

Zhihang

On 8/20/26 10:30, 'Felix Moessbauer' via isar-users wrote:
> Currently many artifacts we deploy to the sstate cache are not reproducible
> by itself. By that, rebuilds of the same artifact result in different sstate hashes,
> which leads to cache trashing.
>
> As a preparation to use the hashequiv signature handler, we have to make all artifacts
> reproducible, as this handler tracks which input hashes influence the output hash (hash
> of the artifact).
>
> As a result of this requirement, we can no longer split the do_rootfs_install task
> (which is cached) and the do_rootfs_postprocess task which makes the rootfs reproducible.
> Instead, we now fold the postprocess task into the install task, similar to how OE does it.
>
> Best regards,
> Felix Moessbauer
> Siemens AG
>
> Felix Moessbauer (8):
>    make bootstrap output reproducible
>    rootfs: fold do_rootfs_postprocess task into do_rootfs_install
>    rootfs: make tarring of sstate artifact reproducible
>    rootfs: split clean_package_cache command
>    rootfs: make file timestamps reproducible
>    repository: create isar-apt with a reproducible timestamp
>    make our internal chroots bit-by-bit reproducible
>    rootfs: make capture of apt state bit-by-bit reproducible
>
>   RECIPE-API-CHANGELOG.md                       |  6 ++
>   .../recipes-core/images/isar-rootfs-ci.bb     |  2 +-
>   .../image-account-extension.bbclass           |  3 -
>   meta/classes-recipe/image.bbclass             | 15 ++--
>   meta/classes-recipe/initramfs.bbclass         |  5 +-
>   meta/classes-recipe/repository.bbclass        | 19 +++++
>   meta/classes-recipe/rootfs.bbclass            | 72 ++++++++++---------
>   meta/classes-recipe/sdk.bbclass               |  2 +-
>   .../isar-mmdebstrap/isar-mmdebstrap.inc       |  2 +
>   9 files changed, 74 insertions(+), 52 deletions(-)
>

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