Build

Add support for nested paths in `retain()` Fix function. (#145) #856

	name: Build

	on: push

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: Set up JDK 1.8
	uses: actions/setup-java@v1
	with:
	java-version: 1.8
	- name: Grant execute permission for gradlew
	run: chmod +x gradlew
	- name: Build with Gradle
	run: ./gradlew build
	env:
	METAFIX_LOG_PASSED: true
	- name: Install language server
	run: ./gradlew installServer
	- name: Install fix extension
	working-directory: metafix-vsc/
	run: npm install

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