Sync repository from upstream #2
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| name: Sync repository from upstream | |
| on: | |
| workflow_dispatch: {} | |
| schedule: | |
| - cron: 5 2 * * * | |
| env: | |
| BRANCHES: main v2-release | |
| jobs: | |
| # Check for the presence of a PROJEN_GITHUB_TOKEN secret. | |
| # | |
| # This is expected to contain a personal access token of someone who has | |
| # permissions to bypass branch protection rules. | |
| # | |
| # If not present, we can only use GitHub Actions Token permissions, | |
| # but this has the following downsides: | |
| # | |
| # - Those are bound by branch protection rules (so automated pushing won't work). | |
| # - As soon as a workflow file needs to be changed, GitHub will reject the push. | |
| # Only Apps and Users can be allowed to modify workflows. | |
| check-secret: | |
| # Don't run on the target repo itself, only forks | |
| if: github.repository != 'aws/aws-cdk' | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Check for presence of PROJEN_GITHUB_TOKEN | |
| id: check-secrets | |
| run: | | |
| if [ ! -z "${{ secrets.PROJEN_GITHUB_TOKEN }}" ]; then | |
| echo "ok=true" >> $GITHUB_OUTPUT | |
| else | |
| echo "ok=false" >> $GITHUB_OUTPUT | |
| fi | |
| outputs: | |
| ok: ${{ steps.check-secrets.outputs.ok }} | |
| sync-branch: | |
| runs-on: ubuntu-latest | |
| permissions: | |
| contents: write | |
| needs: [check-secret] | |
| steps: | |
| - name: Checkout using User Token | |
| if: needs.check-secret.outputs.ok == 'true' | |
| uses: actions/checkout@v4 | |
| with: | |
| token: ${{ secrets.PROJEN_GITHUB_TOKEN }} | |
| - name: Checkout using GitHub Actions permissions | |
| if: needs.check-secret.outputs.ok == 'false' | |
| uses: actions/checkout@v4 | |
| - name: Sync from aws/aws-cdk | |
| run: |- | |
| git remote add upstream https://github.com/aws/aws-cdk.git | |
| git fetch upstream $BRANCHES | |
| for branch in $BRANCHES; do | |
| git push origin --force refs/remotes/upstream/$branch:refs/heads/$branch | |
| done |