[Distutils] sdist default archive format

[Eric Smith]

> It isn't so easy for setuptools to know which things ought to have +x 
> and which things ought not just based on their pathnames or other 
> metadata.

Unless you specify explicitly it in a metadata file.

> Having an archive format that preserves such bits would probably be a 
> good way to solve all such problems -- by making it the packagers 
> problems to set the bits before packaging rather than setuptools's 
> problem to figure out which bits ought to be set after installation.

How would you create such an archive on Windows? (A serious question, 
not trying to be argumentative.)

Eric.