Pass TWINE_REPOSITORY_URL envvar

[baurmatt]

Purpose

Currently running the following commands leads to an error:

TWINE_REPOSITORY=gitlab TWINE_REPOSITORY_URL="https://gitlab.example.org/api/v4/projects/1111/packages/pypi" TWINE_USERNAME=gitlab-ci-token TWINE_PASSWORD=$TOKEN tox -e publish
...
publish run-test: commands[1] | python -m twine upload --repository gitlab 'dist/*'
ERROR    InvalidConfiguration: Missing 'gitlab' section from ~/.pypirc.
         More info: https://packaging.python.org/specifications/pypirc/
ERROR: InvocationError for command /Users/mbaur/Sources/s3-backupper/.tox/publish/bin/python -m twine upload --repository gitlab 'dist/*' (exited with code 1)
______________________________________________________________________________________ summary ______________________________________________________________________________________
ERROR:   publish: commands failed

This is because the Twine Repository URL configuration never reaches the command execution.

Approach

Pass TWINE_REPOSITORY_URL through.

Open Questions and Pre-Merge TODOs

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Resources & Links

Links to blog posts, patterns, libraries or addons used to solve this problem

[coveralls]

Coverage decreased (-0.5%) to 97.293% when pulling afcb469 on baurmatt:twine-repository-url into 96ceb97 on pyscaffold:master.

[FlorianWilhelm]

Thanks @baurmatt. What do you think @abravalheri? LGTM.

[abravalheri]

Sorry for the delay. This PR works very well for PyScaffold, thank you very much @baurmatt.

[abravalheri]

Hi @baurmatt, shortly the new release should be available on PyPI: v4.3.1.