build-linux.yml

name: build against linux and create snapshot
on: [ pull_request, push ]

jobs:
    build:
        strategy:
            matrix:
                java: [
                    17,
                ]
                os: [ ubuntu-20.04 ]
        runs-on: ${{ matrix.os }}
        steps:
            -   name: checkout repository
                uses: actions/checkout@v2

            -   name: validate gradle wrapper
                uses: gradle/wrapper-validation-action@v1

            -   name: setup jdk ${{ matrix.java }}
                uses: actions/setup-java@v1
                with:
                    java-version: ${{ matrix.java }}

            -   name: Cache Gradle packages
                uses: actions/cache@v2
                with:
                    path: ~/.gradle/caches
                    key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle') }}
                    restore-keys: ${{ runner.os }}-gradle

            -   name: make gradle wrapper executable
                run: chmod +x ./gradlew

            -   name: build
                run: ./gradlew build -PSNAPSHOT=true

            -   name: capture build artifacts
                uses: actions/upload-artifact@v2
                with:
                    name: Artifacts
                    path: build/libs/

            -   name: Install gpg secret key
                id: install-secret-key
                run: |
                    echo "${{secrets.NEXUS_GPG_SECRET_KEY_RING_FILE}}" > ~/.gradle/secring.gpg.b64
                    base64 -d ~/.gradle/secring.gpg.b64 > ~/.gradle/secring.gpg
            -   name: maven snapshot publish
                run: ./gradlew build publish -PSNAPSHOT=true -Psigning.keyId=${{secrets.NEXUS_GPG_SIGNING_KEY_ID}} -Psigning.password=${{ secrets.NEXUS_GPG_SECRET_KEY_PASSWORD }} -Psigning.secretKeyRingFile=$(echo ~/.gradle/secring.gpg)
                env:
                    NEXUS_USERNAME: ${{ secrets.NEXUS_USERNAME }}
                    NEXUS_PASSWORD: ${{ secrets.NEXUS_PASSWORD }}