master-build.yml

#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License.  You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

name: master-build

on:
  push:
    branches:
      - master

jobs:
  build:
    uses: ./.github/workflows/build.yml

  deploy-snapshot:
    # Skip any commit from creating releases. The first snapshot after a new release
    # will thus be published on the first real change on the new snapshot version, but
    # there will be no snapshot release for just bumping the version.
    if: "!startsWith(github.event.head_commit.message ,'[maven-release-plugin]')"
    needs: build
    # Serialize these jobs from different workflow runs. We do not want concurrent
    # deployments. We don't cancel already running jobs because we do not want their
    # workflows to report a failure. Github does not guarantee order between jobs
    # that queue within 5 minutes, see https://docs.github.com/en/actions/using-jobs/using-concurrency .
    # We do check below that the job is operating on the latest origin/master, and
    # we skip deployment if not.
    concurrency: mina-sshd-snapshot-deploy
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      
      - name: Set up JDK
        uses: actions/setup-java@v4
        with:
          distribution: temurin
          java-version: '17'
          # Create a ~/.m2/settings.xml referencing these environment variable names
          server-id: 'apache.snapshots.https'
          server-username: NEXUS_USERNAME
          server-password: NEXUS_PASSWORD

      - uses: actions/cache@v4
        with:
          path: ~/.m2/repository
          key: ubuntu-latest-maven-${{ hashFiles('**/pom.xml') }}
          restore-keys: |
            ubuntu-latest-maven-

      - name: Set up Maven
        uses: stCarolas/setup-maven@v5
        with:
          maven-version: '3.9.8'

      - name: Check version (SNAPSHOT)
        # Only deploy SNAPSHOT versions. We do not use "exit 1" because we still want the workflow
        # to report success, we just want this job to do nothing.
        #
        # All subsequent steps are conditional.
        run: |
          export PROJECT_VERSION=$(mvn -B -q -DforceStdout -Dexpression=project.version help:evaluate)
          echo "Project version: $PROJECT_VERSION"
          [[ "$PROJECT_VERSION" =~ ^[0-9]+\.[0-9]+\.[0-9]+-SNAPSHOT$ ]] || {
            echo "**** Skipping deployment because not a snapshot version: $PROJECT_VERSION" 1>&2
            echo "SKIP_DEPLOYMENT=true" >> "$GITHUB_ENV"
          }

      - name: Check HEAD is current
        # Must be quoted, ! is special in yaml
        if: "! env.SKIP_DEPLOYMENT"
        # Do not deploy if refs/heads/master has advanced in the meantime
        run : |
          export CURR_HEAD=$(git rev-parse -q origin/master)
          echo "Local: github.sha=${{ github.sha }} refs/heads/master=$(git rev-parse -q refs/heads/master)"
          echo "Origin: origin/master=$CURR_HEAD"
          [[ "${{ github.sha }}" == "$CURR_HEAD" ]] || {
            echo "**** Skipping deployment because master branch advanced: ${{ github.sha }} != origin/master $CURR_HEAD" 1>&2
            echo "SKIP_DEPLOYMENT=true" >> "$GITHUB_ENV"
          }

      - name: Build and deploy with maven
        # Must be quoted, ! is special in yaml
        if: "! env.SKIP_DEPLOYMENT"
        # NEXUS_USERNAME and NEXUS_PASSWORD are used in ~/.m2/settings.xml created by
        # the setup-java action. The two secrets are organization-wide secrets that
        # were enabled by Apache Infra for our repository.
        env:
          NEXUS_USERNAME: ${{ secrets.NEXUS_USER }}
          NEXUS_PASSWORD: ${{ secrets.NEXUS_PW }}
        # Our root POM overwrites the release repository with an invalid value to prevent
        # accidental release deployments as an additional safety measure. The snapshot
        # repo from the Apache parent POM is not overridden.
        run: mvn -B --errors --activate-profiles ci --no-transfer-progress deploy -DskipTests -DdeployAtEnd