Re: [PATCH v2 0/2] Fix reproducibility of /etc/shadow file when image built on different days

[Uladzimir Bely <ubely@ilbers.de>]

On Wed, 2024-03-06 at 11:44 +0530, Adithya Balakumar wrote:
> The third field in the /etc/shadow file (sp_lstchg) contains the date
> of
> the last password change expressed as the number of days since Jan 1,
> 1970.
> As this is a relative time, creating a user today will result in:
> 
> username:17238:0:99999:7:::
> whilst creating the same user tomorrow will result in:
> 
> username:17239:0:99999:7:::
> 
> This impacts reproducibility of images when built on different days.
> 
> Since /etc/shadow honours SOURCE_DATE_EPOCH, this patchset makes the
> SOURCE_DATE_EPOCH variable available when the /etc/shadow file is
> created/modified.
> 
> Changes in v2:
> - Replaced "! -z" with "-n" while checking for value of
> SOURCE_DATE_EPOCH
> - Handle failure if bitbake var for SOURCE_DATE_EPOCH is empty
> 
> Adithya Balakumar (2):
>   isar-bootstrap.inc: Export SOURCE_DATE_EPOCH variable
>   image-account-extension.bbclass: Export SOURCE_DATE_EPOCH variable
> 
>  meta/classes/image-account-extension.bbclass        | 4 ++++
>  meta/recipes-core/isar-bootstrap/isar-bootstrap.inc | 4 ++++
>  2 files changed, 8 insertions(+)
> 
> -- 
> 2.39.2
> 
> 

Applied to next, thanks.