action.yml

name: 'PHP Composer'
description: 'Use the Composer CLI in your Github Actions.'

inputs:
  composer_version:
    description: "What version of Composer to use"
    default: latest
    required: false

  command:
    description: "Composer command to run (or get_config to just get the output vars)"
    required: true
    default: install

  args:
    description: "Command line arguments to composer"
    required: false
    default: "--optimize-autoloader --no-progress"

  github_oauth:
    description: "OAuth token for accessing github private resources"
    required: false
    default: ""

outputs:
  composer_cache_dir:
    description: "Where composer created its cache"
    value: ${{ steps.composer_run.outputs.composer_cache_dir }}

  composer_major_version:
    description: "Major version of the composer run (can be used as part of the cache key)"
    value: ${{ steps.composer_run.outputs.composer_major_version }}

  composer_version:
    description: "Exact version of the composer run"
    value: ${{ steps.composer_run.outputs.composer_major_version }}

runs:
  using: "composite"
  steps:
    - env:
        COMPOSER_VERSION: ${{ inputs.composer_version }}
        COMPOSER_COMMAND: ${{ inputs.command }}
        COMPOSER_ARGS: ${{ inputs.args }}
        GITHUB_OAUTH: ${{ inputs.github_oauth }}
      shell: bash
      id: composer_run
      run: |
        set -e

        # Make sure the latest version is available, pull it quietly
        docker pull -q composer:${COMPOSER_VERSION}

        # Extract the major version
        DETECTED_VERSION=$(docker run --rm composer:${COMPOSER_VERSION} --version | perl -pe '($_)=/\b(\d+.\d+\.\d+)\b/;')
        DETECTED_MAJOR_VERSION=$(docker run --rm composer:${COMPOSER_VERSION} --version | perl -pe '($_)=/\b(\d)\d*\.\d+\.\d+/;')
        echo "::set-output name=composer_cache_dir::${RUNNER_WORKSPACE}/composer/cache"
        echo "::set-output name=composer_major_version::${DETECTED_MAJOR_VERSION}"
        echo "::set-output name=composer_version::${DETECTED_VERSION}"

        COMPOSER_DOCKER="docker run --rm --user 1001 --volume ${RUNNER_WORKSPACE}/composer:/tmp --volume ${GITHUB_WORKSPACE}:/app -w /app composer:${COMPOSER_VERSION}"
        if [ "$GITHUB_OAUTH" ]; then
          $COMPOSER_DOCKER config -g github-oauth.github.com $GITHUB_OAUTH
        fi

        case "${COMPOSER_COMMAND}" in
          get_config)
            exit
            ;;

          *)
            echo "Running composer v${DETECTED_VERSION} with: $COMPOSER_COMMAND $COMPOSER_ARGS"
            $COMPOSER_DOCKER $COMPOSER_COMMAND $COMPOSER_ARGS
            ;;
        esac

branding:
  icon: 'package'
  color: 'purple'