yarn-subprojects.yml

# This is a basic workflow to help you get started with Actions

name: CI

on:
  push:

  workflow_dispatch:

jobs:
  build:
    strategy:
      matrix:
        node-version: [16]
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v3

      - name: prepare sub-projects
        env:
          YARN_ENABLE_IMMUTABLE_INSTALLS: false
        run: |
          echo "create yarn2 project in the sub2"
          mkdir sub2
          cd sub2
          cat <<EOT >package.json
          {
            "name": "subproject",
            "dependencies": {
              "random": "^3.0.6",
              "uuid": "^9.0.0"
            }
          }
          EOT
          yarn set version 2.4.3
          yarn install

          echo "create yarn3 project in the sub3"
          cd ..
          mkdir sub3
          cd sub3
          cat <<EOT >package.json
          {
            "name": "subproject",
            "dependencies": {
              "random": "^3.0.6",
              "uuid": "^9.0.0"
            }
          }
          EOT
          yarn set version 3.5.1
          yarn install

          echo "create yarn1 project in the root"
          cd ..
          cat <<EOT >package.json
          {
            "name": "subproject",
            "dependencies": {
              "random": "^3.0.6",
              "uuid": "^9.0.0"
            }
          }
          EOT
          yarn set version 1.22.19
          yarn install

      # expect
      #  - no errors
      #  - log
      #    ##[debug]Cache Paths:
      #    ##[debug]["sub2/.yarn/cache","sub3/.yarn/cache","../../../.cache/yarn/v6"]
      - name: Setup Node
        uses: ./
        with:
          node-version: ${{ matrix.node-version }}
          cache: 'yarn'
          cache-dependency-path: |
            **/*.lock
            yarn.lock