name: 'Dagger for GitHub'
description: 'Run dagger commands in Github Actions'
inputs:
  version:
    description: 'Dagger Version'
    required: false
    default: '0.11.0'
  dagger-flags:
    description: 'Dagger CLI Flags'
    required: false
    default: '--progress plain'
  verb:
    description: 'CLI verb (call, run, download, up, functions, shell, query)'
    required: false
    default: 'call'
  workdir:
    description: 'The working directory in which to run the Dagger CLI'
    required: false
    default: '.'
  cloud-token:
    description: 'Dagger Cloud Token'
    required: false
    default: ''
  module:
    description: 'Dagger module to call. Local or Git'
    required: false
    default: ''
  args:
    description: 'Arguments to pass to CLI'
    required: false
    default: ''
  engine-stop:
    description: 'Whether to stop the Dagger Engine after this run'
    required: false
    default: 'true'
runs:
  using: "composite"
  steps:
    - run: |
        # Fallback to /usr/local for backwards compatability
        prefix_dir="${RUNNER_TEMP:-/usr/local}"
        # Ensure the dir is writable otherwise fallback to tmpdir
        if [[ ! -d "$prefix_dir" ]] || [[ ! -w "$prefix_dir" ]]; then
            prefix_dir="$(mktemp -d)"
        fi
        printf '%s/bin' "$prefix_dir" >> $GITHUB_PATH

        # If the dagger version is 'latest', set the version back to an empty
        # string. This allows the install script to detect and install the latest
        # version itself
        VERSION=${{ inputs.version }}
        if [[ "$VERSION" == "latest" ]]; then
          VERSION=
        fi

        # The install.sh script creates path ${prefix_dir}/bin
        cd "$prefix_dir" && { \
        curl -sL https://dl.dagger.io/dagger/install.sh 2>/dev/null | \
        DAGGER_VERSION=$VERSION sh; }
      shell: bash

    - run: |
        cd ${{ inputs.workdir }} && { \
        DAGGER_CLOUD_TOKEN=${{ inputs.cloud-token }} \
        dagger \
        ${{ inputs.dagger-flags }} \
        ${{ inputs.verb }} \
        ${INPUT_MODULE:+-m $INPUT_MODULE} \
        ${{ inputs.args }}; }
      shell: bash
      env:
          INPUT_MODULE: ${{ inputs.module }}

    - run: |
        mapfile -t containers < <(docker ps --filter name="dagger-engine-*" -q)
        if [[ "${#containers[@]}" -gt 0 ]]; then
          docker stop -t 300 "${containers[@]}";
        fi
      shell: bash
      if: inputs.engine-stop == 'true'