Re: [PATCH] image-postproc-extension: fix machine-id file being written empty

[Zhihang Wei <wzh@ilbers.de>]

Applied to next, thanks.

Zhihang

On 9/23/26 20:13, 'Badrikesh Prusty' via isar-users wrote:
> The pipe operation was lost when passing data to run_in_chroot because
> run_privileged_heredoc consumes stdin for the heredoc script, resulting
> in an empty /etc/machine-id file.
> Move the pipe operation inside the chroot environment to fix it. This
> ensures /etc/machine-id is properly written with either "uninitialized"
> (systemd >= 247) or empty string (systemd < 247).
>
> Fixes: 14acf490 ("introduce wrappers for privileged execution")
> Signed-off-by: Badrikesh Prusty <badrikesh.prusty@siemens.com>
> ---
>   meta/classes-recipe/image-postproc-extension.bbclass | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/meta/classes-recipe/image-postproc-extension.bbclass b/meta/classes-recipe/image-postproc-extension.bbclass
> index 59128c2a..9e37a65b 100644
> --- a/meta/classes-recipe/image-postproc-extension.bbclass
> +++ b/meta/classes-recipe/image-postproc-extension.bbclass
> @@ -63,7 +63,7 @@ image_postprocess_machine_id() {
>       if dpkg --compare-versions "$SYSTEMD_VERSION" "lt" "247"; then
>           MACHINE_ID=""
>       fi
> -    echo "$MACHINE_ID" | run_in_chroot ${IMAGE_ROOTFS} tee /etc/machine-id
> +    run_in_chroot ${IMAGE_ROOTFS} sh -c "echo $MACHINE_ID | tee /etc/machine-id"
>       run_privileged rm -f '${IMAGE_ROOTFS}/var/lib/dbus/machine-id'
>   }
>   

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