If you're not familiar with the "override-checkout" configuration, you
can find the documentation about it here [1] and some example usage
here [2].

[1]: https://zuul-ci.org/docs/zuul/user/config.html#attr-job.override-checkout
[2]: http://codesearch.openstack.org/?q=override-checkout

David Moreau Simard
Senior Software Engineer | OpenStack RDO

dmsimard = [irc, github, twitter]


On Mon, Apr 9, 2018 at 12:55 PM, James E. Blair <cor...@inaugust.com> wrote:
> Hi,
>
> We recently fixed a subtle but important bug related to how Zuul checks
> out repositories it uses to find Ansible roles for jobs.
>
> This may result in a behavior change, or even an error, for jobs which
> use roles defined in projects with multiple branches.
>
> Previously, Zuul would (with some exceptions) generally check out the
> 'master' branch of any repository which appeared in the 'roles:' stanza
> in the job definition.  Now Zuul will follow its usual procedure of
> trying to find the most appropriate branch to check out.  That means it
> tries the project override-checkout branch first, then the job
> override-checkout branch, then the branch of the change, and finally the
> default branch of the project.
>
> This should produce more predictable behavior which matches the
> checkouts of all other projects involved in a job.
>
> If you find that the wrong branch of a role is being checked out,
> depending on circumstances, you may need to set a job or project
> override-checkout value to force the correct one, or you may need to
> backport a role to an older branch.
>
> If you encounter any problems related to this, please chat with us in
> #openstack-infra.
>
> Thanks,
>
> Jim
>
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