action.yml

name: Checkout and setup
description: Simple GitHub Action that checks out the repository and sets up the environment.
inputs:
  secrets:
    description: 'Secrets required for `setup` action.'
    required: false
  variables:
    description: 'Non-secret variables required for `setup` action.'
    required: false
  ref:
    description: "Git ref to checkout. Maps to the `ref` argument to `actions/checkout@v4`."
    required: false
  setup:
    description: "Ref containing the `setup` action. Uses the default (or `inputs.ref`) branch if not provided."
    required: false
  submodules:
    description: "Passes through to `actions/checkout`."
    required: false
    
runs:
  using: 'composite'
  steps:
    - name: Checkout repository
      uses: actions/checkout@v4
      with: 
        ref: ${{ inputs.ref }}
        submodules: ${{ inputs.submodules }}
    - name: Checkout the setup action
      if: ${{ inputs.setup }}
      shell: "/usr/bin/bash -e {0}"
      run: |
        git fetch origin "${{ inputs.setup }}"
        git checkout FETCH_HEAD -- .github/actions/setup
        git rm -r --cached .github
    - name: Setup environment
      uses: ./.github/actions/setup
      with:
        secrets: ${{ inputs.secrets }}
        variables: ${{ inputs.variables }}