prereqs: fix download of xbps #26

	name: CI

	on: [push, pull_request]

	jobs:
	build:
	name: Build source package
	runs-on: ubuntu-20.04
	steps:
	- name: Checkout
	uses: actions/checkout@v2
	- name: Building using setuptools
	run: \|
	./setup.py sdist
	- name: Upload artifact
	uses: actions/upload-artifact@v2
	with:
	name: packages
	path: dist/xbstrap-*.tar.gz

	deploy:
	name: Publish release
	runs-on: ubuntu-20.04
	if: "startsWith(github.ref, 'refs/tags/v')"
	needs: build
	steps:
	- name: Fetch artifact
	uses: actions/download-artifact@v2
	with:
	name: packages
	path: artifact
	- name: Prepare dist/ directory
	run: \|
	mkdir dist/
	# Get exactly the version that we want to publish.
	version="$(grep -Po '(?<=^refs/tags/v).+$' <<< "$ref")"
	mv "artifact/xbstrap-$version.tar.gz" dist/
	env:
	ref: ${{ github.ref }}
	- name: Publish to PyPI
	uses: pypa/gh-action-pypi-publish@release/v1
	with:
	user: __token__
	password: ${{ secrets.PYPI_API_TOKEN }}

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