ci-main-snapshot.yml

name: "Build snapshot and deploy to Maven"

on:
  push:
    branches: [ "main" ]
  workflow_dispatch:

jobs:
  Build:
    name: Build & Deploy Snapshot
    runs-on: ubuntu-latest
    if: github.repository == 'Pi4J/pi4j'
    steps:
      - uses: actions/checkout@v4

      - name: Install dependencies
        run: |
          sudo apt-get remove --purge man-db
          sudo apt-get install --yes build-essential linux-headers-$(uname -r) sudo libi2c-dev linux-modules-extra-$(uname -r)

      - name: Install JDK25
        uses: sfesenko/setup-sdkman@v1
        with:
          deps: java:25-zulu

      - name: Create Maven settings
        env:
          MAVEN_USERNAME: ${{ secrets.OSSRH_USERNAME }}
          MAVEN_PASSWORD: ${{ secrets.OSSRH_TOKEN }}
        run: |
          mkdir -p ~/.m2
          printf '<settings><servers><server><id>sonatype-oss-snapshots</id><username>%s</username><password>%s</password></server></servers></settings>' "$MAVEN_USERNAME" "$MAVEN_PASSWORD" > ~/.m2/settings.xml    

      - name: Create and add current user to suitable groups
        run: |
          sudo addgroup spi
          sudo adduser $USER spi
          sudo adduser $USER i2c
          sudo adduser $USER dialout

      - name: Add proper udev rules and trigger udevadm
        run: |
          sudo cp udev.rules /etc/udev/rules.d/99-pi4j-io.rules
          sudo udevadm control --reload-rules && sudo udevadm trigger

      - name: Cache local Maven repository
        uses: actions/cache@v4
        with:
          path: ~/.m2/repository
          key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
          restore-keys: |
            ${{ runner.os }}-maven-

      - name: Validate secrets are available
        run: |
          if [ -z "${{ secrets.OSSRH_USERNAME }}" ]; then
            echo "ERROR: OSSRH_USERNAME secret is not set"
            exit 1
          fi
          if [ -z "${{ secrets.OSSRH_TOKEN }}" ]; then
            echo "ERROR: OSSRH_TOKEN secret is not set"
            exit 1
          fi
          echo "✅ Both OSSRH_USERNAME and OSSRH_TOKEN secrets are available"
          echo "Username length: ${#MAVEN_USERNAME}"
          echo "Token length: ${#MAVEN_PASSWORD}"
        env:
          MAVEN_USERNAME: ${{ secrets.OSSRH_USERNAME }}
          MAVEN_PASSWORD: ${{ secrets.OSSRH_TOKEN }}

      - name: Verify Maven settings
        run: |
          echo "Generated Maven settings.xml:"
          cat ~/.m2/settings.xml || echo "No settings.xml found"
        env:
          MAVEN_USERNAME: ${{ secrets.OSSRH_USERNAME }}
          MAVEN_PASSWORD: ${{ secrets.OSSRH_TOKEN }}

      - name: Build entire Pi4J Project
        env:
          MAVEN_USERNAME: ${{ secrets.OSSRH_USERNAME }}
          MAVEN_PASSWORD: ${{ secrets.OSSRH_TOKEN }}
        run: sudo -u $USER bash -c 'source ~/.sdkman/bin/sdkman-init.sh && ./mvnw deploy'

      - name: Make staging directory
        run: mkdir staging

      - name: Build download archive
        run: |
          VERSION=$(grep -m1 '<version>' pom.xml | sed -E 's/.*<version>([^<]+)<\/version>.*/\1/')
          mkdir -p bundle/core bundle/plugins bundle/test bundle/docs

          cp -v LICENSE.txt NOTICE.txt README.md bundle/docs/
          cp -v pi4j-core/target/pi4j-core-*.jar bundle/core/ || true
          cp -v pi4j-test/target/pi4j-test-*.jar bundle/test/ || true

          find plugins -type f -path '*/target/pi4j-*.jar' -exec cp -v {} bundle/plugins/ \;

          (cd bundle && zip -r "../staging/pi4j-${VERSION}.zip" .)
          ls -lh staging

      - name: Upload distribution files to staging
        uses: actions/upload-artifact@v4
        with:
          name: pi4j-dist
          path: staging

  DeployPackages:
    name: Deploy to Download Repo
    needs: [ Build ]
    runs-on: ubuntu-latest
    if: github.repository == 'Pi4J/pi4j'
    concurrency:
      group: deploy-to-download-repo
      cancel-in-progress: false
    environment:
      name: Staging
      url: 'https://github.com/Pi4J/download'
    steps:
      - name: Download staged artifacts from build
        uses: actions/download-artifact@v4
        with:
          name: pi4j-dist

      - name: Display downloaded build artifacts
        shell: bash
        run: tree

      - name: Publish build archives to download repository
        env:
          API_TOKEN_GITHUB: ${{ secrets.API_TOKEN_GITHUB }}
        run: |
          git clone --single-branch --branch main \
            https://${API_TOKEN_GITHUB}@github.com/pi4j/download.git /tmp/download-repo
          cp pi4j-*.zip /tmp/download-repo/
          cd /tmp/download-repo
          git config user.email '41898282+github-actions[bot]@users.noreply.github.com'
          git config user.name 'github-actions[bot]'
          git add .
          if git diff --staged --quiet; then
            echo "No changes to commit"
            exit 0
          fi
          git commit -m "Update from https://github.com/${{ github.repository }}/commit/${{ github.sha }}"
          for i in 1 2 3; do
            git push origin main && break
            echo "Push attempt $i failed, rebasing and retrying..."
            git pull --rebase origin main
          done