auto_pr.yml

name: Auto PR

on:
  push:
    branches:
      - staging

jobs:
  create-pull-request:
    runs-on: ubuntu-latest
    steps:
      - name: Create Pull Request
        uses: actions/github-script@v6
        with:
          script: |
            const { repo, owner } = context.repo;
            const title = '[Auto] Staging to main';
            const {data:openPRs} = await await github.rest.pulls.list({
              owner,
              repo
            });
            const previouslyOpenedAutoPR = openPRs.filter(({title:_title}) => _title.includes(title));
            if(previouslyOpenedAutoPR.length === 1) {
              const pull_number = previouslyOpenedAutoPR[0].number;
              await github.rest.pulls.update({
                title,
                owner,
                repo,
                pull_number,
                head: '${{ github.ref_name }}',
                base: 'main',
                body: [
                  'This PR is auto-generated and updated by',
                  '[actions/github-script](https://github.com/actions/github-script).'
                ].join('\n')
              });
              return;
            }
            const result = await github.rest.pulls.create({
              title,
              owner,
              repo,
              head: '${{ github.ref_name }}',
              base: 'main',
              body: [
                'This PR is auto-generated by',
                '[actions/github-script](https://github.com/actions/github-script).'
              ].join('\n')
            });
            github.rest.issues.addLabels({
              owner,
              repo,
              issue_number: result.data.number,
              labels: ['automated']
            });