Behaviour of run_exports has changed?

[nehaljwani]

(base) [root@eb29c4d90e4d tmp]# cat meta.yaml 
package:
  name: test
  version: 1.0.0

build:
  run_exports:
    - {{ pin_subpackage('test') }}

With CB 3.1.4:

(base) [root@eb29c4d90e4d tmp]# conda build -V
conda-build 3.1.4

(base) [root@eb29c4d90e4d tmp]# conda build .                                                                                                                                                                      
Attempting to finalize metadata for test
INFO:conda_build.metadata:Attempting to finalize metadata for test
BUILD START: ['test-1.0.0-0.tar.bz2']
...
anaconda upload /opt/conda/conda-bld/linux-64/test-1.0.0-0.tar.bz2
...

(base) [root@eb29c4d90e4d tmp]# tar -xf /opt/conda/conda-bld/linux-64/test-1.0.0-0.tar.bz2 info/run_exports.yaml -O                                                                                                
weak: ['test >=1.0.0,<2.0a0']

With CB >=3.1.5:

(base) [root@eb29c4d90e4d tmp]# conda build -V                                                                                                                                                                     
conda-build 3.1.5

(base) [root@eb29c4d90e4d tmp]# conda build .                                                                                                                                                                      
Attempting to finalize metadata for test
INFO:conda_build.metadata:Attempting to finalize metadata for test
BUILD START: ['test-1.0.0-0.tar.bz2']
...
anaconda upload /opt/conda/conda-bld/linux-64/test-1.0.0-0.tar.bz2
...

(base) [root@eb29c4d90e4d tmp]# tar -xf /opt/conda/conda-bld/linux-64/test-1.0.0-0.tar.bz2 info/run_exports.yaml -O                                                                                                
weak: [test]

[msarahan]

I think what you are seeing here is that there is no output at all for it to pin to, so it's just falling back to the package name. This seems like a bug - there should be the implicit output of the top-level package. I'll try to figure out why this changed.

[github-actions]

Hi there, thank you for your contribution!

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Please open a new issue if needed.

Thanks!