[yocto] (How) did you script bitbake/set up nightly builds?

[Burton, Ross]

On 31 August 2018 at 12:45, Alan Martinovic <alan.martinovic at senic.com> wrote:
> Fair enough, I gave an example with a simple workaround. :)
>
> But you do have a point there, if I'm getting you answer right on a broader
> level.
> Is it something like this?
>
>> Instead of setting the environment only once and running bitbake multiple
>> times
>> just make the environment sourcing and bitbake execution an atomic
>> operation.
>
>
> So if I wanted to automate i.e.:
>
> . oe-init-build-env mybuild
> bitbake -c cleanall failure_prone_package
> bitbake failure_prone_package
> bitbake foo #image build
>
> It's fine to do it like this:
>
> subprocess.call(". oe-init-build-env mybuild ; bitbake -c cleanall
> failure_prone_package", shell=True)
> subprocess.call(". oe-init-build-env mybuild ; bitbake
> failure_prone_package", shell=True)
> subprocess.call(". oe-init-build-env mybuild ; bitbake foo", shell=True)

Yes, that's exactly the idiom.  The alternative would be to invoke
oe-init-build-env once and then run export, and parse that to
construct an environment to pass to future bitbake calls.  That would
work, but would be more complex.

Ross