Revert "Set the combined subtitle track as the `default` (used by Saf… #46

	name: CI/CD

	on:
	push:
	branches: [ main, develop ]
	pull_request:

	env:
	BUILD_FOLDER: _site
	CNAME: noh.stanford.edu
	USER_EMAIL: [email protected]
	USER_NAME: Simon Wiles

	# Deploy only when pushing to main
	DEPLOY: ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' }}

	jobs:
	build_test_and_optionally_deploy:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v2

	- name: Set up Ruby
	uses: ruby/setup-ruby@v1
	with:
	ruby-version: 2.7
	bundler-cache: true # runs 'bundle install' and caches installed gems automatically

	- name: Use Node.js
	uses: actions/setup-node@v2
	with:
	node-version: 12.x
	cache: 'yarn'

	- name: Install Dependencies
	run: \|
	bundle install --path vendor/bundle
	yarn install

	- name: Test
	run: \|
	yarn coverage
	yarn lint

	- name: Build
	run: JEKYLL_ENV=production yarn build

	- name: Set Commit Message
	run: echo "COMMIT_MESSAGE='Deploy from $(git log -n 1 --format="%h" HEAD) at $(date +"%Y-%m-%d %H:%M:%S %Z")'" >> $GITHUB_ENV

	- name: Deploy
	if: ${{ fromJSON(env.DEPLOY) }}
	run: \|
	git config --global user.email "$USER_EMAIL"
	git config --global user.name "$USER_NAME"
	git fetch --force origin gh-pages:gh-pages
	git symbolic-ref HEAD refs/heads/gh-pages
	[ -n "$CNAME" ] && echo "$CNAME" > "$BUILD_FOLDER/CNAME"
	git --work-tree "$BUILD_FOLDER" reset --mixed --quiet
	git --work-tree "$BUILD_FOLDER" add --all

	if ! git --work-tree "$BUILD_FOLDER" diff --exit-code --quiet HEAD --; then
	git --work-tree "$BUILD_FOLDER" commit -m "$COMMIT_MESSAGE"
	git push origin gh-pages
	fi

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