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| name: Vercel deployment preview link generator | |
| on: | |
| pull_request: | |
| types: [opened, synchronize] | |
| paths: | |
| - 'website/docs/docs/**' | |
| - 'website/docs/best-practices/**' | |
| - 'website/docs/guides/**' | |
| - 'website/docs/faqs/**' | |
| - 'website/docs/reference/**' | |
| permissions: | |
| contents: read | |
| pull-requests: write | |
| jobs: | |
| comment-deployment-link: | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Checkout code | |
| uses: actions/checkout@v4 | |
| with: | |
| fetch-depth: 0 | |
| - name: Install necessary tools | |
| run: | | |
| sudo apt-get update | |
| sudo apt-get install -y jq curl | |
| - name: Generate Vercel deployment URL | |
| id: vercel_url | |
| run: | | |
| # Get the branch name | |
| BRANCH_NAME="${{ github.head_ref }}" | |
| # Convert to lowercase | |
| BRANCH_NAME_LOWER=$(echo "$BRANCH_NAME" | tr '[:upper:]' '[:lower:]') | |
| # Replace non-alphanumeric characters with hyphens | |
| BRANCH_NAME_SANITIZED=$(echo "$BRANCH_NAME_LOWER" | sed 's/[^a-z0-9]/-/g') | |
| # Construct the deployment URL | |
| DEPLOYMENT_URL="https://docs-getdbt-com-git-${BRANCH_NAME_SANITIZED}-dbt-labs.vercel.app" | |
| echo "deployment_url=$DEPLOYMENT_URL" >> $GITHUB_OUTPUT | |
| - name: Wait for deployment to be accessible | |
| id: wait_for_deployment | |
| run: | | |
| DEPLOYMENT_URL="${{ steps.vercel_url.outputs.deployment_url }}" | |
| echo "Waiting for deployment at $DEPLOYMENT_URL to become accessible..." | |
| MAX_ATTEMPTS=60 # Adjust as needed (e.g., wait up to 10 minutes) | |
| SLEEP_TIME=10 # Check every 10 seconds | |
| ATTEMPTS=0 | |
| while [ $ATTEMPTS -lt $MAX_ATTEMPTS ]; do | |
| STATUS_CODE=$(curl -s -o /dev/null -w "%{http_code}" "$DEPLOYMENT_URL") | |
| if [ "$STATUS_CODE" -eq 200 ]; then | |
| echo "Deployment is accessible." | |
| break | |
| else | |
| echo "Deployment not yet accessible (status code: $STATUS_CODE). Waiting..." | |
| sleep $SLEEP_TIME | |
| ATTEMPTS=$((ATTEMPTS + 1)) | |
| fi | |
| done | |
| if [ $ATTEMPTS -eq $MAX_ATTEMPTS ]; then | |
| echo "Deployment did not become accessible within the expected time." | |
| exit 1 | |
| fi | |
| - name: Get changed files | |
| id: files | |
| run: | | |
| # Get the list of changed files in the specified directories | |
| CHANGED_FILES=$(git diff --name-only ${{ github.event.pull_request.base.sha }} ${{ github.sha }} | grep -E '^website/docs/(docs|best-practices|guides|faqs|reference)/.*\.md$' || true) | |
| echo "Changed files:" | |
| echo "$CHANGED_FILES" | |
| # Check if any files were changed | |
| if [ -z "$CHANGED_FILES" ]; then | |
| echo "No documentation files were changed." | |
| echo "changed_files=" >> $GITHUB_OUTPUT | |
| else | |
| # Convert line-separated files to space-separated for easier handling | |
| CHANGED_FILES="$(echo "$CHANGED_FILES" | tr '\n' ' ')" | |
| echo "changed_files=$CHANGED_FILES" >> $GITHUB_OUTPUT | |
| fi | |
| - name: Generate file preview links | |
| id: links | |
| run: | | |
| DEPLOYMENT_URL="${{ steps.vercel_url.outputs.deployment_url }}" | |
| CHANGED_FILES="${{ steps.files.outputs.changed_files }}" | |
| if [ -z "$CHANGED_FILES" ]; then | |
| echo "No changed files found in the specified directories." | |
| LINKS="- No documentation files were changed." | |
| else | |
| LINKS="" | |
| # Convert CHANGED_FILES back to newline-separated for processing | |
| CHANGED_FILES=$(echo "$CHANGED_FILES" | tr ' ' '\n') | |
| for FILE in $CHANGED_FILES; do | |
| # Remove 'website/docs/' prefix | |
| FILE_PATH="${FILE#website/docs/}" | |
| # Keep the .md extension as per your desired output | |
| # FILE_PATH="${FILE_PATH%.md}" | |
| # Construct the full URL | |
| FULL_URL="$DEPLOYMENT_URL/$FILE_PATH" | |
| LINKS="$LINKS\n- $FULL_URL" | |
| done | |
| fi | |
| # Properly set the multi-line output | |
| echo "links<<EOF" >> $GITHUB_OUTPUT | |
| echo -e "$LINKS" >> $GITHUB_OUTPUT | |
| echo "EOF" >> $GITHUB_OUTPUT | |
| - name: Post comment with deployment link | |
| uses: peter-evans/create-or-update-comment@v4 | |
| with: | |
| token: ${{ secrets.GITHUB_TOKEN }} | |
| issue-number: ${{ github.event.pull_request.number }} | |
| body: | | |
| <!-- vercel-preview-comment --> | |
| 🚀 Deployment available! Here are the direct links to the updated files: | |
| ${{ steps.links.outputs.links }} |