Content-Monorepo/.github/workflows/auto-update.yml

name: Auto Update
on:
  workflow_dispatch:
jobs:
  update-modpacks:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        modpack: [re-console, re-console-lite]
        platform: [curseforge, modrinth]
        loader: [fabric]
        minecraft: [1.20.1, 1.20.4, 1.21.1, 1.21.3, 1.21.4, 1.21.5, 1.21.8]
      max-parallel: 3  # Helps with rate limiting
      fail-fast: false
    steps:
      - uses: actions/checkout@v4
        with: 
          token: ${{ secrets.GH_PAT }}
          fetch-depth: 1
      
      # Check if directory exists first
      - name: Check if directory exists
        id: check-dir
        run: |
          DIR="./versions/vanilla/src/${{ matrix.modpack }}/${{ matrix.platform }}/${{ matrix.loader }}/${{ matrix.minecraft }}"
          if [ -d "$DIR" ]; then
            echo "dir-exists=true" >> $GITHUB_OUTPUT
            echo "Directory $DIR exists, proceeding with update"
          else
            echo "dir-exists=false" >> $GITHUB_OUTPUT
            echo "Directory $DIR does not exist, skipping all steps"
          fi
      
      # Cache Packwiz binary to avoid Go setup and compilation
      - name: Cache Packwiz Binary
        if: steps.check-dir.outputs.dir-exists == 'true'
        uses: actions/cache@v4
        id: cache-packwiz
        with:
          path: ~/go/bin/packwiz
          key: packwiz-binary-${{ runner.os }}-v1
          restore-keys: |
            packwiz-binary-${{ runner.os }}-
      
      # Only set up Go and install Packwiz if not cached
      - name: Set up Go
        if: steps.check-dir.outputs.dir-exists == 'true' && steps.cache-packwiz.outputs.cache-hit != 'true'
        uses: actions/setup-go@v5
        with:
          go-version: 'stable'
          cache: false
      
      - name: Install Packwiz
        if: steps.check-dir.outputs.dir-exists == 'true' && steps.cache-packwiz.outputs.cache-hit != 'true'
        run: go install github.com/packwiz/packwiz@latest
      
      # Add Packwiz to PATH (whether cached or freshly installed)
      - name: Add Packwiz to PATH
        if: steps.check-dir.outputs.dir-exists == 'true'
        run: echo "$HOME/go/bin" >> $GITHUB_PATH
      
      - name: Update ${{ matrix.modpack }} - ${{ matrix.platform }} - ${{ matrix.loader }} - ${{ matrix.minecraft }}
        if: steps.check-dir.outputs.dir-exists == 'true'
        id: update-step
        run: |
          DIR="./versions/vanilla/src/${{ matrix.modpack }}/${{ matrix.platform }}/${{ matrix.loader }}/${{ matrix.minecraft }}"
          echo "Updating ${{ matrix.modpack }} ${{ matrix.platform }} ${{ matrix.loader }} ${{ matrix.minecraft }}"
          cd "$DIR"
          packwiz refresh -y
          UPDATE_OUTPUT=$(packwiz update -a -y 2>&1 | tail -n 1)
          echo "update-output=$UPDATE_OUTPUT" >> $GITHUB_OUTPUT
          echo "Last line of packwiz update: $UPDATE_OUTPUT"
      
      - name: Rate limiting delay
        if: steps.check-dir.outputs.dir-exists == 'true'
        run: sleep 5
      
      # Upload changes only if files were updated
      - name: Upload changes
        if: steps.check-dir.outputs.dir-exists == 'true' && steps.update-step.outputs.update-output == 'Files updated!'
        uses: actions/upload-artifact@v4
        with:
          name: changes-${{ strategy.job-index }}
          path: ./versions/vanilla/src/${{ matrix.modpack }}/${{ matrix.platform }}/${{ matrix.loader }}/${{ matrix.minecraft }}/
          retention-days: 1
  
  commit-changes:
    needs: update-modpacks
    runs-on: ubuntu-22.04
    if: always() # Run even if some matrix jobs fail
    steps:
      - uses: actions/checkout@v4
        with: 
          token: ${{ secrets.GH_PAT }}
          fetch-depth: 1
      
      # Download all artifacts from matrix jobs
      - name: Download all changes
        uses: actions/download-artifact@v4
        with:
          pattern: changes-*
          path: ./
          merge-multiple: false
      
      # Move artifacts to correct locations
      - name: Restore file structure
        run: |
          if [ -d "./changes-"* ]; then
            for artifact_dir in ./changes-*; do
              if [ -d "$artifact_dir" ]; then
                echo "Processing $artifact_dir"
                # Find and move the content to the right location
                find "$artifact_dir" -name "versions" -type d | while read versions_dir; do
                  if [ -d "$versions_dir" ]; then
                    echo "Copying from $versions_dir to ./versions/"
                    cp -r "$versions_dir"/* ./versions/ 2>/dev/null || true
                  fi
                done
                # Clean up artifact directory
                rm -rf "$artifact_dir"
              fi
            done
          else
            echo "No artifacts found to process"
          fi
      
      - name: Commit Updates
        uses: EndBug/add-and-commit@v9.1.4
        with:
          default_author: github_actions