Cleanup stale doc Previews #211
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| name: Cleanup stale doc Previews | |
| on: | |
| schedule: | |
| - cron: '0 2 * * *' # Run daily at 2 AM UTC | |
| workflow_dispatch: # Allow manual trigger | |
| concurrency: | |
| group: doc-preview-cleanup | |
| cancel-in-progress: false | |
| jobs: | |
| cleanup-closed-pr-previews: | |
| runs-on: ubuntu-latest | |
| permissions: | |
| contents: write | |
| pull-requests: read | |
| steps: | |
| - name: Checkout gh-pages branch | |
| uses: actions/checkout@v4 | |
| with: | |
| ref: gh-pages | |
| fetch-depth: 0 | |
| - name: Clean up closed PR previews | |
| run: | | |
| echo "Starting preview cleanup..." | |
| deleted_previews="" | |
| # Find all preview directories | |
| if [ -d "previews" ]; then | |
| shopt -s nullglob | |
| for preview_dir in previews/PR*; do | |
| if [ -d "$preview_dir" ]; then | |
| # Extract PR number | |
| pr_number=$(echo "$preview_dir" | sed 's/previews\/PR//') | |
| # Validate PR number is numeric | |
| if ! [[ "$pr_number" =~ ^[0-9]+$ ]]; then | |
| echo "Skipping invalid directory: $preview_dir" | |
| continue | |
| fi | |
| # Check PR state via GitHub API | |
| api_response=$(curl -s -w "%{http_code}" -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \ | |
| "https://api.github.com/repos/${{ github.repository }}/pulls/$pr_number") | |
| http_code="${api_response: -3}" | |
| json_response="${api_response%???}" | |
| if [ "$http_code" != "200" ] && [ "$http_code" != "404" ]; then | |
| echo "API error for PR #$pr_number: HTTP $http_code" | |
| echo "Response: $json_response" | |
| exit 1 | |
| fi | |
| pr_state=$(echo "$json_response" | jq -r '.state // "not_found"') | |
| if [ "$pr_state" = "closed" ] || [ "$pr_state" = "not_found" ]; then | |
| echo "Delete $preview_dir (PR #$pr_number is $pr_state)" | |
| deleted_previews="$deleted_previews $preview_dir" | |
| git rm -rf "$preview_dir" | |
| else | |
| echo "Keeping $preview_dir (PR #$pr_number is open)" | |
| fi | |
| sleep 1 | |
| fi | |
| done | |
| shopt -u nullglob | |
| fi | |
| # Commit and clean history if any previews were deleted | |
| if [ -n "$deleted_previews" ]; then | |
| echo "Clean up history for:$deleted_previews" | |
| git config user.name "Documenter.jl" | |
| git config user.email "documenter@juliadocs.github.io" | |
| git commit -m "delete previews" | |
| git branch gh-pages-new $(echo "delete history" | git commit-tree HEAD^{tree}) | |
| echo "Force push changes to upstream repo" | |
| git push --force origin gh-pages-new:gh-pages | |
| else | |
| echo "No previews to clean up" | |
| fi |