Add Github action to upload complete tarball #1

	name: Create Release

	on:
	push:
	tags: ['v*']
	branches: [master]
	release:
	types: [published]
	pull_request:
	paths: [.github/workflows/create_release.yml]

	jobs:
	release:
	name: Create Release
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	with:
	submodules: 'recursive'
	- name: Fake name for PRs
	if: ${{ github.event_name == 'pull_request' }}
	run: echo "GITHUB_REF=refs/tags/pr-tag" >> "$GITHUB_ENV"
	- name: Real name for non-PRs
	if: ${{ github.event_name != 'pull_request' }}
	run: echo "GITHUB_REF=$GITHUB_REF" >> "$GITHUB_ENV"
	- name: Set filenames
	run: \|
	tag_or_branch="${GITHUB_REF#refs/tags/}"
	tag_or_branch="${tag_or_branch#refs/heads/}"
	echo "RELEASE_NAME=VVVVVV-$tag_or_branch" >> "$GITHUB_ENV"
	echo "RELEASE_FILE=VVVVVV-$tag_or_branch.tar.gz" >> "$GITHUB_ENV"
	- name: Create source distribution
	run: \|
	# Create new folder with specified name so extracting the archive yields that
	rm -rf "/tmp/$RELEASE_NAME"
	cp -r "$PWD" "/tmp/$RELEASE_NAME"
	mv "/tmp/$RELEASE_NAME" .
	# Cleanup
	find "$RELEASE_NAME" -name '.git*' -exec rm -rv {} \; \|\| true
	# Create archive
	tar -czf "$RELEASE_FILE" "$RELEASE_NAME"
	echo "Created source archive $RELEASE_FILE with content: $(ls -a "$RELEASE_NAME")"
	- name: Upload source distribution
	if: ${{ github.event_name == 'release' }}
	uses: softprops/action-gh-release@v1
	with:
	files: ${{env.RELEASE_FILE}}

	concurrency:
	group: create-release-${{ github.event.pull_request.number \|\| github.sha }}
	cancel-in-progress: true

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