Fix getting recipe text from a meta of an output

[isuruf]

cc @SylvainCorlay

fixes #3248

[msarahan]

Sorry, this is breaking some important stuff, like the automatic activation of scripts for outputs. The relevant test there is tests/test_subpackages.py::test_activation_in_output_scripts

I'm trying to look into why, but the chances of me getting pulled sideways before I can figure it out are pretty high.

[msarahan]

The problem is that the parent_meta value here never has any output info. It's something like this:

{'parent_recipe': {'path': '/Users/msarahan/code/conda-build/tests/test-recipes/split-packages/_output_activation', 'name': 'test_output_activation', 'version': '1.0'}

It is only the path to the recipe folder, not the recipe itself.

[msarahan]

Thanks for the extra effort here. I have some work on this that I'll push up. It has ended up being involved.

[SylvainCorlay]

Thanks!

[github-actions]

Hi there, thank you for your contribution!

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Thanks!