[bitbake-devel] [PATCH 1/1] add a syntax to clear variable

[Christopher Larson]

On Mon, Aug 15, 2016 at 7:44 AM, Peter Kjellerstedt <
peter.kjellerstedt at axis.com> wrote:

> How will this interact with ?=, ??=, _append and _remove?
>
> Shouldn't there be unit tests for this? It seems like it can easily
> break and/or be broken by other changes.
>

It's implemented as an immediate operation, so it'd happen long before ??=,
_append, or _remove are applied. ?= is also immediate, so isn't relevant --
?= before it would do nothing, as the unset would undo it, and ?= after the
unset would apply fine.

I think that's the most sane approach for something like this. If you want
the operation postponed, you can use anonymous python for that. Agreed re:
unit tests, though.
-- 
Christopher Larson
clarson at kergoth dot com
Founder - BitBake, OpenEmbedded, OpenZaurus
Maintainer - Tslib
Senior Software Engineer, Mentor Graphics
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