sync-upstream.yaml

---
name: Sync upstream

on:
  workflow_dispatch: # Manual workflow trigger
    inputs:
      release:
        type: string
        required: true
        description: Release Version

jobs:
  sync-upstream:
    if: github.event.created || github.event_name == 'workflow_dispatch'
    name: Sync with upstream
    runs-on: ubuntu-latest
    env:
      GOPATH: ${{ github.workspace }}
      UPSTREAM: https://github.com/knative/serving.git
    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          path: ./src/github.com/${{ github.repository }}
          fetch-depth: 0
          ref: ${{ inputs.release }}

      - name: Sync upstream
        working-directory: ./src/github.com/${{ github.repository }}
        run: |
          if ! git config user.name > /dev/null; then
            git config user.name "John Doe"
          fi
          if ! git config user.email > /dev/null; then
            git config user.email "johndoe@localhost"
          fi
          git remote add upstream "${UPSTREAM}"
          git fetch upstream
          BRANCH=${{ inputs.release }}
          git merge upstream/"release-${BRANCH#release-v}"

        shell: bash

      - name: Regenerate all generated files
        working-directory: ./src/github.com/${{ github.repository }}
        run: ./openshift/release/generate-release.sh ${{ inputs.release }}

      - name: Create Pull Request
        uses: peter-evans/create-pull-request@v4
        with:
          path: ./src/github.com/${{ github.repository }}
          branch: auto/sync-upstream-${{ inputs.release }}
          title: "[${{ inputs.release }}] Sync upstream release"
          commit-message: "Sync upstream release"
          delete-branch: true
          body: |
            Sync upstream release