[develop2] change default tar format #12899
Merged
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Changelog: Fix: Change tar format to PAX, which is the Python3.8 default.
Docs: Omit
I have been reading about this decision in Python threads, the rational is that PAX is more modern, powerful and less vendor specific than GNU previous format. PAX_FORMAT is already available in Python 3.6, so it shouldn't be an issue.
This also means that we are changing how we compress all our tgzs, we should carefully consider possible implications: Could the new tgz break Conan 1.X clients using the same
conan_export_sources.tgz
created with 2.0?Close #6370