pr-preview-cleanup.yml

name: pr-preview-cleanup

on:
  pull_request:
    types: [closed]
  workflow_dispatch:
    inputs:
      pr_number:
        description: PR number to clean up
        required: true

permissions:
  contents: write
  deployments: write
  pull-requests: read

jobs:
  cleanup:
    runs-on: ubuntu-latest
    if: github.event.pull_request.head.repo.full_name == github.repository || github.event_name == 'workflow_dispatch'
    env:
      PR_NUMBER: ${{ github.event.pull_request.number || github.event.inputs.pr_number }}
    steps:
      - name: Checkout gh-pages
        uses: actions/checkout@v4
        with:
          ref: gh-pages
          fetch-depth: 1

      - name: Remove pr-${{ env.PR_NUMBER }} preview directory
        run: |
          if [ -d "pr-${PR_NUMBER}" ]; then
            rm -rf "pr-${PR_NUMBER}"
            git config user.name "github-actions[bot]"
            git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
            git add -A
            if git diff --staged --quiet; then
              echo "Nothing staged after removal — skipping commit."
            else
              git commit -m "cleanup(ui): remove pr-${PR_NUMBER} preview"
              git push
            fi
          else
            echo "No preview directory pr-${PR_NUMBER} to remove."
          fi

      - name: Mark pr-preview-${{ env.PR_NUMBER }} deployment inactive
        uses: actions/github-script@v7
        with:
          script: |
            const envName = `pr-preview-${process.env.PR_NUMBER}`;
            const { data: deployments } = await github.rest.repos.listDeployments({
              owner: context.repo.owner,
              repo: context.repo.repo,
              environment: envName,
              per_page: 100,
            });
            if (deployments.length === 0) {
              core.info(`No deployments found for environment ${envName}`);
              return;
            }
            for (const dep of deployments) {
              await github.rest.repos.createDeploymentStatus({
                owner: context.repo.owner,
                repo: context.repo.repo,
                deployment_id: dep.id,
                state: 'inactive',
                description: 'PR closed; preview cleaned up.',
              });
            }
            core.info(`Marked ${deployments.length} deployment(s) inactive for ${envName}.`);