hyperlane-monorepo/.github/actions/yarn-build-with-cache/action.yml

name: 'Yarn Build with Cache'
description: 'Run yarn build using yarn cache'

inputs:
  ref:
    description: 'The Git ref to checkout'
    required: true

runs:
  using: "composite"
  steps:
    - name: Cache
      uses: buildjet/cache@v4
      id: cache
      with:
        path: |
          **/node_modules
          .yarn          
        key: ${{ runner.os }}-yarn-4.5.1-cache-${{ hashFiles('./yarn.lock') }}

    # Typically, the cache will be hit, but if there's a network error when
    # restoring the cache, let's run the install step ourselves.
    - name: Install dependencies
      if: steps.cache.outputs.cache-hit != 'true'
      shell: bash
      run: |
        yarn install
        CHANGES=$(git status -s --ignore-submodules)
        if [[ ! -z $CHANGES ]]; then
          echo "Changes found: $CHANGES"
          git diff
          exit 1
        fi        

    - name: Build
      shell: bash
      run: yarn build