stack.yml

name: stack

on:
  schedule:
    - cron: '*/5 * * * *'
  workflow_dispatch:
  push:
    branches: [main]
    paths: ['stack/**', '.github/workflows/stack.yml', 'pnpm-workspace.yaml', 'package.json']

concurrency:
  group: stack
  cancel-in-progress: false

permissions:
  contents: write

jobs:
  stack:
    runs-on: ubuntu-latest
    timeout-minutes: 55
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 50
      - uses: pnpm/action-setup@v4
        with:
          version: 12
      - uses: actions/setup-node@v4
        with:
          node-version: 24
          cache: pnpm
      - id: day
        run: echo "day=$(date -u +%F)" >> "$GITHUB_OUTPUT"
      - uses: actions/cache@v4
        with:
          path: .stack-mirror
          key: stack-mirror-${{ steps.day.outputs.day }}
          restore-keys: stack-mirror-
      - name: Install the pi coding agent
        run: npm install -g @mariozechner/pi-coding-agent@0.73.1
      - name: Rebuild the PR stacks
        id: build
        env:
          GH_TOKEN: ${{ github.token }}
          ZAI_API_KEY: ${{ secrets.ZAI_API_KEY }}
          ZAI_MODEL: ${{ vars.ZAI_MODEL }}
        run: |
          git config user.name 'bot-harness stack'
          git config user.email '41898282+github-actions[bot]@users.noreply.github.com'
          before=$(git rev-parse HEAD)
          node stack/build.ts
          echo "changed=$([ "$before" = "$(git rev-parse HEAD)" ] && echo false || echo true)" >> "$GITHUB_OUTPUT"
      - name: Refresh the lockfile
        if: steps.build.outputs.changed == 'true'
        run: |
          pnpm install --lockfile-only --ignore-scripts
          if ! git diff --quiet -- pnpm-lock.yaml; then
            git add pnpm-lock.yaml
            git commit -q -m 'stack: refresh pnpm-lock.yaml for the new package manifests'
          fi
      - name: Install, typecheck and load every package
        if: steps.build.outputs.changed == 'true'
        run: |
          pnpm install --frozen-lockfile
          pnpm typecheck
          node stack/smoke.ts
      - name: Push
        if: steps.build.outputs.changed == 'true'
        run: |
          git push origin HEAD:main || { git pull --rebase origin main && git push origin HEAD:main; }