promote-develop.yml

name: Promote develop to main
on:
  push:
    branches: [develop]
permissions:
  contents: write
  pull-requests: write
jobs:
  create_pr:
    runs-on: ubuntu-latest
    steps:
      - name: Create or update PR to main (using PAT)
        if: ${{ secrets.PR_CREATION_TOKEN != '' }}
        uses: actions/github-script@v6
        with:
          github-token: ${{ secrets.PR_CREATION_TOKEN }}
          script: |
            const prTitle = 'Promote develop to main';
            const prBody = 'Automated PR to propose changes from develop to main. Review and merge according to repo policy.';
            const { data: prs } = await github.rest.pulls.list({
              owner: context.repo.owner,
              repo: context.repo.repo,
              state: 'open',
              head: `${context.repo.owner}:develop`,
              base: 'main',
            });
            if (prs.length === 0) {
              await github.rest.pulls.create({
                owner: context.repo.owner,
                repo: context.repo.repo,
                title: prTitle,
                head: 'develop',
                base: 'main',
                body: prBody,
              });
            } else {
              const pr = prs[0];
              await github.rest.pulls.update({
                owner: context.repo.owner,
                repo: context.repo.repo,
                pull_number: pr.number,
                title: prTitle,
                body: prBody,
              });
            }

      - name: Skip automatic promotion (no token)
        if: ${{ secrets.PR_CREATION_TOKEN == '' }}
        run: |
          echo "Automatic promotion to main skipped: PR_CREATION_TOKEN secret not set."
          echo "To enable automatic promotion, either:"
          echo "  1) Enable 'Allow GitHub Actions to create and approve pull requests' in the repository Settings → Actions → General (recommended), or"
          echo "  2) Create a Personal Access Token (PAT) with 'repo' scope and add it as a repository secret named 'PR_CREATION_TOKEN'."
          echo "Create secret via GH CLI: gh secret set PR_CREATION_TOKEN --body '<your-token>'"