cli/.github/workflows/fast-forward.yml at develop · supabase/cli · GitHub

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name: Fast-forward on approval

on:
  pull_request_review:
    types: [submitted]

permissions:
  contents: read

jobs:
  # Separate from the privileged job so that approvals from people without write access never
  # take (and cancel) the per-target concurrency slot of a maintainer's pending run.
  gate:
    name: Check approver
    if: |
      github.event.review.state == 'approved' &&
      github.event.pull_request.head.repo.full_name == github.repository &&
      (
        (github.event.pull_request.head.ref == 'develop' && github.event.pull_request.base.ref == 'main') ||
        (github.event.pull_request.head.ref == 'next' && github.event.pull_request.base.ref == 'develop') ||
        (github.event.pull_request.head.ref == 'sync/main-into-develop' && github.event.pull_request.base.ref == 'develop') ||
        (github.event.pull_request.head.ref == 'sync/develop-into-next' && github.event.pull_request.base.ref == 'next')
      )
    runs-on: ubuntu-latest
    timeout-minutes: 5
    permissions:
      contents: read
    outputs:
      allowed: ${{ steps.reviewer.outputs.allowed }}
    steps:
      # Any GitHub user can submit an approving review on a public repo.
      - id: reviewer
        name: Check reviewer permission
        env:
          GH_TOKEN: ${{ github.token }}
          REVIEWER: ${{ github.event.review.user.login }}
        run: |
          role=$(gh api "repos/${GITHUB_REPOSITORY}/collaborators/${REVIEWER}/permission" --jq '.permission')
          case "${role}" in
            admin | write)
              echo "allowed=true" >> "$GITHUB_OUTPUT"
              ;;
            *)
              echo "allowed=false" >> "$GITHUB_OUTPUT"
              echo "::notice::Skipping fast-forward: ${REVIEWER} lacks write access (${role})"
              ;;
          esac

  fast-forward:
    name: Fast-forward ${{ github.event.pull_request.base.ref }} to ${{ github.event.pull_request.head.ref }}
    needs: gate
    if: needs.gate.outputs.allowed == 'true'
    # Held per target so an unrelated review run never replaces a pending fast-forward.
    concurrency:
      group: fast-forward-${{ github.event.pull_request.base.ref }}
      cancel-in-progress: false
    runs-on: ubuntu-latest
    timeout-minutes: 15
    # `actions: write` lets the job token dispatch `Sync branches` when `next` moved and conflicts with a sync.
    permissions:
      contents: read
      checks: read
      statuses: read
      pull-requests: write
      actions: write
    steps:
      - id: app-token
        uses: actions/create-github-app-token@bcd2ba49218906704ab6c1aa796996da409d3eb1 # v3.2.0
        with:
          client-id: ${{ vars.GH_APP_CLIENT_ID }}
          private-key: ${{ secrets.GH_APP_PRIVATE_KEY }}
          permission-contents: write
          permission-workflows: write

      # The script always comes from the default branch, never from the pull request head.
      - uses: useblacksmith/checkout@6fd481652155169ed4d2f25ebaf97464f685175f # v1
        with:
          ref: ${{ github.event.repository.default_branch }}
          fetch-depth: 0
          persist-credentials: true
          token: ${{ steps.app-token.outputs.token }}

      - uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6 # v2.2.0
        with:
          bun-version-file: .bun-version

      - name: Fast-forward
        env:
          GH_TOKEN: ${{ github.token }}
          REPOSITORY: ${{ github.repository }}
          PR_NUMBER: ${{ github.event.pull_request.number }}
          REVIEW_COMMIT_ID: ${{ github.event.review.commit_id }}
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
          bun .github/scripts/fast-forward.ts