accomplish/.github/workflows/refresh-agent-core-split.yml at main · next-dev-team/accomplish · GitHub

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name: refresh-agent-core-split

on:
  workflow_run:
    workflows: ['CI']
    types: [completed]
  workflow_dispatch:

concurrency:
  group: refresh-agent-core-split
  cancel-in-progress: false

permissions:
  contents: write

jobs:
  reject-non-main-dispatch:
    if: github.event_name == 'workflow_dispatch' && github.ref != 'refs/heads/main'
    runs-on: ubuntu-latest
    steps:
      - name: Reject manual dispatch outside main
        run: |
          echo "ERROR: workflow_dispatch is allowed only on refs/heads/main"
          exit 1

  refresh-and-notify:
    if: |
      (github.event_name == 'workflow_dispatch' && github.ref == 'refs/heads/main') ||
      (github.event_name == 'workflow_run' &&
       github.event.workflow_run.conclusion == 'success' &&
       github.event.workflow_run.event == 'push' &&
       github.event.workflow_run.head_branch == 'main')
    runs-on: ubuntu-latest
    steps:
      - name: Checkout tested main commit (workflow_run)
        if: github.event_name == 'workflow_run'
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
          ref: ${{ github.event.workflow_run.head_sha }}

      - name: Checkout main (workflow_dispatch)
        if: github.event_name == 'workflow_dispatch'
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
          ref: main

      - name: Refresh agent-core-split
        id: refresh
        run: |
          set -euo pipefail
          git config user.name "github-actions[bot]"
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git fetch origin agent-core-split || true

          if git rev-parse --verify agent-core-split >/dev/null 2>&1; then
            git branch -D agent-core-split
          fi

          MAIN_TREE="$(git rev-parse HEAD:packages/agent-core)"
          SPLIT_TREE="$(git rev-parse origin/agent-core-split^{tree} 2>/dev/null || echo none)"
          if [ "${MAIN_TREE}" = "${SPLIT_TREE}" ]; then
            echo "agent-core-split already matches main subtree. Nothing to refresh."
            echo "changed=false" >> "$GITHUB_OUTPUT"
            echo "split_sha=" >> "$GITHUB_OUTPUT"
            echo "main_sha=$(git rev-parse HEAD)" >> "$GITHUB_OUTPUT"
            exit 0
          fi

          git subtree split --prefix=packages/agent-core -b agent-core-split

          for attempt in 1 2 3; do
            if git push origin agent-core-split --force-with-lease; then
              echo "changed=true" >> "$GITHUB_OUTPUT"
              echo "split_sha=$(git rev-parse agent-core-split)" >> "$GITHUB_OUTPUT"
              echo "main_sha=$(git rev-parse HEAD)" >> "$GITHUB_OUTPUT"
              exit 0
            fi

            if [ "${attempt}" -eq 3 ]; then
              echo "ERROR: failed to push agent-core-split after 3 attempts."
              exit 1
            fi

            echo "Lease mismatch on push (attempt ${attempt}). Refetching and retrying..."
            git fetch origin agent-core-split
          done

      - name: Notify downstream
        if: steps.refresh.outputs.changed == 'true'
        env:
          GH_TOKEN: ${{ secrets.DISPATCH_TOKEN }}
        run: |
          gh api "repos/${{ secrets.DISPATCH_TARGET }}/dispatches" \
            -f event_type=upstream-agent-core-changed \
            -f client_payload[split_sha]="${{ steps.refresh.outputs.split_sha }}" \
            -f client_payload[main_sha]="${{ steps.refresh.outputs.main_sha }}"