3 column layouts: Fix sidebar container fixed positioning on scroll #114

	name: Build and push to build branch.

	on:
	push:
	branches: [trunk]

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout repository
	uses: actions/checkout@ec3a7ce113134d7a93b817d10a8272cb61118579 # v2.4.0

	- name: Install NodeJS
	uses: actions/setup-node@5b52f097d36d4b0b2f94ed6de710023fbb8b2236 # v3.1.0
	with:
	node-version-file: '.nvmrc'
	cache: 'yarn'

	- name: Setup PHP with PECL extension
	uses: shivammathur/setup-php@1a18b2267f80291a81ca1d33e7c851fe09e7dfc4 # v2.22.0
	with:
	php-version: '7.4'
	env:
	COMPOSER_TOKEN: ${{ secrets.GITHUB_TOKEN }}

	- name: Install all dependencies
	run: \|
	composer install \|\| composer update wporg/*
	yarn

	- name: Build
	run: yarn workspaces run build

	- name: Trim the repo down to just the theme
	run: \|
	rm -rf source/wp-content/themes/wporg-developer-2023/node_modules
	rm -rf source/wp-content/themes/wporg-developer-2023/scss
	mv source/wp-content/themes/wporg-developer-2023 $RUNNER_TEMP
	git rm -rfq .
	rm -rf *
	mv $RUNNER_TEMP/wporg-developer-2023/* .

	- name: Add all the theme files
	run: \|
	git add * --force

	- name: Append build number to version
	run: \|
	current_version=$(grep -oP 'Version: \K[0-9]+\.[0-9]+\.[0-9]+' style.css)
	new_version="${current_version}-${GITHUB_SHA::7}"
	sed -i "s/Version: $current_version/Version: $new_version/" style.css

	- name: Commit and push
	uses: actions-js/push@a52398fac807b0c1e5f1492c969b477c8560a0ba # 1.3
	with:
	github_token: ${{ secrets.GITHUB_TOKEN }}
	branch: build
	force: true
	message: 'Build: ${{ github.sha }}'

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