v6.4.0 #65

	name: Publish

	on:
	release:
	types: [published]

	jobs:
	publish-to-npm:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- uses: actions/setup-node@v2
	with:
	node-version: 16
	cache: 'npm'
	registry-url: 'https://registry.npmjs.org'

	- run: npm ci
	- run: npm test

	- run: \|
	git config --global user.name 'GitHub Actions'
	git config --global user.email 'github-actions@localhost'

	# Update the version in the package files
	- run: \|
	GIT_TAG="${{github.event.release.tag_name}}"
	NEW_VERSION="${GIT_TAG/v/}"

	npm version "$NEW_VERSION" --allow-same-version --git-tag-version=false
	git add package* && git commit -m "Release $NEW_VERSION"

	- run: npm publish --access=public
	env:
	NODE_AUTH_TOKEN: ${{secrets.NPM_PUBLISH_TOKEN}}

	- run: git show
	- run: \|
	git fetch origin master

	TAG_NAME="${{github.event.release.tag_name}}"
	LAST_COMMIT_ID="$(git rev-parse $TAG_NAME)"
	MASTER_COMMIT_ID="$(git rev-parse origin/master)"

	if [ "$LAST_COMMIT_ID" = "$MASTER_COMMIT_ID" ]; then
	git push origin HEAD:master
	else
	echo "Not pushing to master because the tag we're operating on is behind"
	fi

	# See https://stackoverflow.com/a/24849501
	- run: \|
	git tag -f "${{github.event.release.tag_name}}" HEAD
	git push -f origin "refs/tags/${{github.event.release.tag_name}}"

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