publish-snapshot.yml

# This workflow will build a package using Maven and then publish it to GitHub packages when a release is created
# For more information see: https://github.com/actions/setup-java/blob/main/docs/advanced-usage.md#apache-maven-with-a-settings-path

name: Publish Snapshot

on:
  workflow_dispatch:
  push:
    branches: [ dev ]
    paths:
      - src/**
      - pom.xml
  pull_request:
    branches: [ dev ]
    paths:
      - src/**
      - pom.xml

jobs:
  publish:
    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: Set up Apache Maven Central
        uses: actions/setup-java@v1
        with:
          java-version: 1.8
          server-id: sonatype-nexus-snapshots
          server-username: MAVEN_USERNAME
          server-password: MAVEN_PASSWORD
          gpg-passphrase: MAVEN_GPG_PASSWORD
          gpg-private-key: ${{ secrets.MAVEN_GPG_PRIVATE_KEY }}

      - name: Cache m2 package
        uses: actions/cache@v2
        with:
          path: ~/.m2/repository
          key: ${{ runner.os }}-maven-${{ hashFiles('pom.xml') }}
          restore-keys: |
            ${{ runner.os }}-maven-

      - name: get current project version to set env.VERSION
        run: echo "VERSION=`mvn help:evaluate -Dexpression=project.version -q -DforceStdout`" >> $GITHUB_ENV

      - name: set snapshot version
        if: ${{ !endsWith( env.VERSION , '-SNAPSHOT') }}
        run: mvn versions:set -DnewVersion=${{ env.VERSION }}-SNAPSHOT

      - name: deploy snapshot to oss repository
        run: mvn clean deploy -P release
        env:
          MAVEN_USERNAME: ${{ secrets.OSSRH_USERNAME }}
          MAVEN_PASSWORD: ${{ secrets.OSSRH_TOKEN }}
          MAVEN_GPG_PASSWORD: ${{ secrets.MAVEN_GPG_PASSWORD }}