ci: Migrate to new publishing flow, allowing for snapshots and releas… #1

	name: Build and deploy

	on:
	push:
	branches: [ master ]
	release:
	types: [ published ]

	env:
	GRADLE_USER_HOME: .gradle

	jobs:
	linux:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	with:
	submodules: 'recursive'
	- name: Set up JDK 1.8
	uses: actions/setup-java@v1
	with:
	java-version: 1.8
	- name: Setup Gradle
	uses: gradle/gradle-build-action@v2
	- name: Build with Gradle
	run: ./gradlew build
	- name: Upload all output libs
	uses: actions/upload-artifact@v3.0.0
	with:
	name: output-libs
	path: "*/build/libs"

	- name: Snapshot build deploy
	if: github.event_name == 'push' && github.ref == 'refs/heads/master' && github.repository_owner == 'libgdx'
	run: ./gradlew build publish
	env:
	ORG_GRADLE_PROJECT_NEXUS_USERNAME: ${{ secrets.NEXUS_USERNAME }}
	ORG_GRADLE_PROJECT_NEXUS_PASSWORD: ${{ secrets.NEXUS_PASSWORD }}

	- name: Import GPG key
	if: github.event_name == 'release' && github.repository_owner == 'libgdx'
	id: import_gpg
	uses: crazy-max/ghaction-import-gpg@1c6a9e9d3594f2d743f1b1dd7669ab0dfdffa922
	with:
	gpg-private-key: ${{ secrets.GPG_PRIVATE_KEY }}
	passphrase: ${{ secrets.GPG_PASSPHRASE }}
	- name: Release build deploy
	if: github.event_name == 'release' && github.repository_owner == 'libgdx'
	run: ./gradlew build publish -PRELEASE -Psigning.gnupg.keyId=${{ secrets.GPG_KEYID }} -Psigning.gnupg.passphrase=${{ secrets.GPG_PASSPHRASE }} -Psigning.gnupg.keyName=${{ secrets.GPG_KEYID }}
	env:
	ORG_GRADLE_PROJECT_NEXUS_USERNAME: ${{ secrets.NEXUS_USERNAME }}
	ORG_GRADLE_PROJECT_NEXUS_PASSWORD: ${{ secrets.NEXUS_PASSWORD }}

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