name: 'Checkout' description: 'Checkout a Git repository at a particular version' inputs: repository: description: 'Repository name with owner. For example, actions/checkout' default: ${{ github.repository }} ref: description: > The branch, tag or SHA to checkout. When checking out the repository that triggered a workflow, this defaults to the reference or SHA for that event. Otherwise, uses the default branch. runs: using: 'docker' image: 'docker://aburgess/git:latest' entrypoint: echo hello