Simplify config by introducing a defaults file #780

	name: CI

	on:
	- pull_request

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v2

	- name: Get Composer Cache Directory
	id: composer-cache
	run: \|
	echo "::set-output name=dir::$(composer config cache-files-dir)"

	- uses: actions/cache@v2
	with:
	path: ${{ steps.composer-cache.outputs.dir }}
	key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
	restore-keys: \|
	${{ runner.os }}-composer-

	- name: Install dependencies
	run: \|
	composer install --no-dev --no-interaction
	cd vendor-bin/box
	composer install --no-interaction

	- name: Symlink vendor/bin/box
	run: \|
	mkdir -p vendor/bin
	ln -s "$(realpath vendor-bin/box/vendor/bin/box)" vendor/bin/box

	- name: Build platform.phar
	env:
	CI_COMMIT_SHA: ${{ github.event.after }}
	CI_COMMIT_REF_NAME: ${{ github.head_ref }}
	run: \|
	CI_COMMIT_SHORT_SHA=$(echo $CI_COMMIT_SHA \| head -c8)
	./bin/platform self:build --no-composer-rebuild --yes --replace-version "$CI_COMMIT_REF_NAME"-"$CI_COMMIT_SHORT_SHA" --output platform.phar

	- uses: actions/upload-artifact@v2
	with:
	name: cli-phar
	path: platform.phar

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