fetch-wxr-assets.yml

name: Get WXR assets

on:
  pull_request:
    types:
      - opened
      - synchronize

jobs:
  validate-and-normalize:
    runs-on: ubuntu-latest
    steps:
      - name: Setup SSH Keys
        uses: webfactory/ssh-agent@v0.5.3
        with:
            ssh-private-key: ${{ secrets.GH_DEPLOY_KEY }}
      - name: Checkout the PR branch
        uses: actions/checkout@v3
        with:
          ref: ${{ github.head_ref }}
      - name: Fetch base branch
        run: |
          git fetch origin trunk
      - name: Set up PHP
        uses: shivammathur/setup-php@v2
        with:
          php-version: '8.1'  # or any other version you need

      - name: Get WXR normalizer
        run: |
          curl https://github.com/adamziel/wxr-normalize/raw/trunk/preprocess-wxr.phar > preprocess-wxr.phar

      # TODO: Go by file paths listed under importWxr in blueprint.json
      - name: Validate file contents
        id: validate_files
        run: |
          FILES=$(git diff --name-only origin/trunk | grep -E '\.(wxr|xml)$')
          if [ -z "$FILES" ]; then
            echo "No newly added WXR or XML files to check."
            exit 1
          fi
          for FILE in $FILES; do
            CONTENT=$(cat $FILE)
            if [[ "$CONTENT" != *"<content:encoded>"* ]]; then
              echo "File $FILE does not contain '<content:encoded>', skipping."
              continue
            fi
            if [[ "$CONTENT" == *"githubusercontent.com"* ]]; then
              echo "File $FILE contains 'githubusercontent.com', skipping."
              continue
            fi

            echo "Normalizing $FILE"
            ASSETS_DIR=$(dirname $FILE)/wxr-assets
            mkdir -p $ASSETS_DIR
            php preprocess-wxr.phar \
              --wxr=$FILE \
              --downloads-path=$ASSETS_DIR \
              --new-assets-prefix=https://raw.githubusercontent.com/wordpress/blueprints/${{ github.head_ref }}/$ASSETS_DIR \
              > /tmp/wxr.swap
            if [ -s /tmp/wxr.swap ]; then 
              mv /tmp/wxr.swap $FILE
            else
              echo "/tmp/wxr.swap seems empty"
              cat /tmp/wxr.swap
            fi
          done

      - name: Check for uncommitted changes
        id: changes
        run: |
            rm preprocess-wxr.phar*
            if [ -z "$(git status --porcelain)" ]; then
                echo "No changes"
                echo 'CHANGES=0' >> $GITHUB_OUTPUT
            else
                echo "Changes detected"
                echo 'CHANGES=1' >> $GITHUB_OUTPUT
            fi
      - name: Push rebuilt WordPress to GitHub
        if: steps.changes.outputs.CHANGES == '1'
        run: |
            git config --global user.name "deployment_bot"
            git config --global user.email "deployment_bot@users.noreply.github.com"
            git add -A
            git commit -a -m "Reindex and reformat Blueprints"
            git pull --rebase
            if [ $? -eq 0 ]; then
              git push git@github.com:${{ github.repository }}.git --follow-tags
            fi;