name: Warm shared CI caches

on:
  # Cache-input pushes seed immediately; this schedule repairs eviction and image changes.
  schedule:
    - cron: '41 */6 * * *'
  workflow_dispatch:
  push:
    branches: [main]
    paths:
      - '.github/workflows/ci-cache-warmup.yml'
      - '.github/workflows/ci-cache-warmup-platform-jobs.yml'
      - '.github/workflows/ci-cache-warmup-platforms.yml'
      - '.github/actions/install-node-dependencies/**'
      - '.github/actions/restore-pnpm-verification/**'
      - '.github/actions/prepare-native-runtime/**'
      - '.github/actions/prepare-windows-cli-launcher/**'
      - '.github/actions/prepare-git-compatibility/**'
      - '.github/actions/prepare-headless-compiler/**'
      - 'config/scripts/headless-detector-compiler-cache.mjs'
      - '.github/actions/prepare-linux-package-fixture/**'
      - '.github/actions/prepare-wayland-clipboard/**'
      - 'native/wayland-clipboard/**'
      - 'config/scripts/build-wayland-clipboard.mjs'
      - 'config/docker/headless-serve-shutdown/**'
      - 'config/docker/cli-launch-contract/**'
      - 'config/docker/daemon-shutdown-descendants/**'
      - 'package.json'
      - 'pnpm-lock.yaml'
      - 'pnpm-workspace.yaml'
      - '.npmrc'
      - 'config/pnpmfile.cjs'
      - 'config/scripts/ensure-native-runtime.mjs'
      - 'config/scripts/initialize-windows-native-toolchain.mjs'
      - 'config/scripts/capture-windows-native-environment.cmd'
      - 'config/scripts/rebuild-native-deps.mjs'
      - 'config/scripts/node-pty-job-ownership.cjs'
      - 'config/scripts/windows-pe-machine.cjs'
      - 'config/scripts/windows-process-tree-gyp-rebuild.mjs'
      - 'config/scripts/windows-process-tree-creation-time.cjs'
      - 'config/scripts/install-electron-package-binary.mjs'
      - 'config/scripts/electron-platform-path.mjs'
      - 'config/scripts/zip-extractor-command.mjs'
      - 'src/shared/zip-extractor-command.ts'
      - 'config/scripts/shared-electron-dist-cache.mjs'
      - 'config/scripts/space-sharing-copy.mjs'
      - 'config/patches/**'
      - 'native/windows-registry/**'
      - 'native/windows-security/**'
  pull_request:
    types: [opened, synchronize, reopened, ready_for_review, converted_to_draft]
    paths:
      - '.github/workflows/ci-cache-warmup.yml'
      - '.github/actions/prepare-headless-compiler/**'
      - 'config/scripts/headless-detector-compiler-cache.mjs'
      - '.github/actions/prepare-wayland-clipboard/**'

permissions:
  contents: read

concurrency:
  group: ci-cache-warmup-${{ github.event.pull_request.number || github.run_id }}
  cancel-in-progress: ${{ github.event_name == 'pull_request' }}

jobs:
  warm:
    if: github.event_name != 'pull_request' || github.event.pull_request.draft != true
    concurrency:
      group: ci-cache-warmup-linux-x64-${{ matrix.runner }}-${{ github.event.pull_request.number || github.ref }}
      cancel-in-progress: ${{ github.event_name != 'schedule' }}
    # Blacksmith and GitHub-hosted jobs restore from separate cache stores; warm both.
    strategy:
      fail-fast: false
      matrix:
        runner: [blacksmith-4vcpu-ubuntu-2404, ubuntu-24.04]
    runs-on: ${{ matrix.runner }}
    timeout-minutes: 10
    env:
      ORCA_BACKGROUND_LAUNCH: '1'
    steps:
      - uses: actions/checkout@v6
        with:
          persist-credentials: false

      # Default-branch caches can be restored by every PR; PR caches cannot.
      - uses: ./.github/actions/install-node-dependencies
        with:
          native-runtime: node
          node-version: '24'
          cache-electron-package: 'true'
          # No hosted job restores the root store, so keep it out of GitHub's cache quota.
          cache-pnpm-store: ${{ startsWith(matrix.runner, 'blacksmith-') }}
          cache-pnpm-store-lookup-only: 'true'

      - uses: ./.github/actions/prepare-headless-compiler
        with:
          seed: 'true'

      - name: Populate shared Electron archive
        run: node config/scripts/install-electron-package-binary.mjs

      - uses: ./.github/actions/prepare-git-compatibility

      - uses: ./.github/actions/prepare-wayland-clipboard
        with:
          save-cache: 'true'

  warm-platforms:
    if: github.event_name == 'schedule' || github.event_name == 'workflow_dispatch'
    uses: ./.github/workflows/ci-cache-warmup-platform-jobs.yml