[OE-core] Passing additional data from packages to be used during image creation

[Richard Purdie]

On Thu, 2017-01-19 at 10:16 +0100, Pascal Bach wrote:
> I would like to pass some additional data generated during the
> creation of a package to the image creation step.
> The idea is to use this data to generate a more detailed manifest of
> what is included in the image. In the concrete case
> I would like to pass a list of required copyright files that need to
> be checked for during image creation.
> 
> My current approach is to add this list as a new variable COPYRIGHTS
> to the pkgdata of each package.
> Using the image manifest to determine the package this allows me to
> compile a list of all required copyrights.
> 
> The following patch allows to add extra variables to pkgdata and thus
> allows to pass additional data
> 
> - [PATCH] package.bbclass: allow additional variables to be added to
> 
> Is this a valid approach or did a miss a simpler way to access any
> package data during image creation?

I'm curious if adding something to PACKAGEVARS would work or if not,
why not?

Cheers,

Richard