Re: [PATCH 1/1] rootfs: unconditionally clean isar-apt lists before deploying

[Zhihang Wei <wzh@ilbers.de>]

Applied to next, thanks.

Zhihang

On 9/23/26 17:42, 'Felix Moessbauer' via isar-users wrote:
> The isar-apt data is non-deterministic across builds, as the content of
> the isar-apt itself changes whenever new packages are added or removed.
> By that, it makes the whole chroot non-reproducible which results in
> cache trashing when not building the exactly same set of targets.
>
> As the isar-apt is anyways updated prior to using it (both in sbuild, as
> well as in the rootfs tasks), we can safely drop it from the rootfs.
>
> Note, that we cannot do the same for the upstream apt lists, as they
> must not change during the build. But as they are never updated and also
> do not depend on the bitbake state, it is safe to keep them.
>
> Signed-off-by: Felix Moessbauer <felix.moessbauer@siemens.com>
> ---
>   meta/classes-recipe/rootfs.bbclass | 6 ++++++
>   1 file changed, 6 insertions(+)
>
> diff --git a/meta/classes-recipe/rootfs.bbclass b/meta/classes-recipe/rootfs.bbclass
> index d033bdf0..1fa733d9 100644
> --- a/meta/classes-recipe/rootfs.bbclass
> +++ b/meta/classes-recipe/rootfs.bbclass
> @@ -559,6 +559,12 @@ rootfs_postprocess_clean_package_cache() {
>           \( -name '*.deb' -o -name '*.bin' \) -delete
>   }
>   
> +# always clean the isar-apt as it is not reproducible and anyways unconditionally updated
> +ROOTFS_POSTPROCESS_COMMAND += "rootfs_postprocess_clean_isar_apt_lists"
> +rootfs_postprocess_clean_isar_apt_lists() {
> +    run_privileged find "${ROOTFSDIR}/var/lib/apt/lists" -type f -name '_isar-apt*' -delete
> +}
> +
>   ROOTFS_POSTPROCESS_COMMAND += "${@bb.utils.contains('ROOTFS_FEATURES', 'clean-apt-lists', 'rootfs_postprocess_clean_apt_lists', '', d)}"
>   rootfs_postprocess_clean_apt_lists() {
>       run_privileged find "${ROOTFSDIR}/var/lib/apt/lists" -type f -delete

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