action.yml

name: 'Composer install'
description: 'Installs php with extentions and run composer install'
inputs:
  PHP_VERSION:
    description: 'PHP version to install'
    required: true
  PHP_EXTENSIONS:
    description: 'extensions to install'
    required: true
  PHP_TOOLS:
    description: 'tools to install'
    required: false
    default: 'phpcs:3.5.8' 
  CACHE_KEY:
    description: 'cache key for cache busting'
    required: false
    default: 'cache_v1'
  SSH_PRIVATE_KEY:
    description: 'Private key to access github'
    required: false
    default: ''
  SSH_PUBLIC_KEY:
    description: 'Public key to access github'
    required: false
    default: ''
  COMPOSER_DEFAULT_ARGUMENTS:
    description: 'Default composer arguments, can be overriden if required'
    required: false
    default: '--no-progress --prefer-dist --optimize-autoloader'
  COMPOSER_ARGUMENTS:
    description: 'additional composer arguments which you require'
    required: false
    default: ''

runs:
  using: "composite"
  steps:
    - name: Setup cache environment
      id: extcache
      uses: shivammathur/cache-extensions@v1
      with:
        php-version: ${{ inputs.PHP_VERSION }}
        extensions: ${{ inputs.PHP_EXTENSIONS }}
        key: ${{ inputs.CACHE_KEY }}

    - name: Cache extensions
      uses: actions/cache@v3
      with:
        path: ${{ steps.extcache.outputs.dir }}
        key: ${{ steps.extcache.outputs.key }}
        restore-keys: ${{ steps.extcache.outputs.key }}

    - name: Setup PHP environment
      uses: shivammathur/setup-php@v2
      with:
        php-version: ${{ inputs.PHP_VERSION }}
        extensions: ${{ inputs.PHP_EXTENSIONS }}
        tools: ${{ inputs.PHP_TOOLS }}

    - name: Get composer cache directory
      shell: bash
      id: composer-cache
      run: |
        echo "dir=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT

    - name: Cache dependencies
      uses: actions/cache@v3
      with:
        path: ${{ steps.composer-cache.outputs.dir }}
        key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.json') }}
        restore-keys: ${{ runner.os }}-composer-

    - name: setup ssh keys
      shell: bash
      env:
        PRIVATE_KEY: ${{ inputs.SSH_PRIVATE_KEY }}
        PUBLIC_KEY: ${{ inputs.SSH_PUBLIC_KEY }}
      run: |
        mkdir -p ~/.ssh
        touch ~/.gitconfig
        ssh-keyscan -t rsa github.com >> ~/.ssh/known_hosts

        echo "$PRIVATE_KEY" > ~/.ssh/action_rsa
        echo "$PUBLIC_KEY" > ~/.ssh/action_rsa.pub
        chmod 600 ~/.ssh/action_rsa

        git config --global core.sshCommand "ssh -i ~/.ssh/action_rsa"

    - name: Install Composer dependencies
      shell: bash
      run: composer install ${{ inputs.COMPOSER_DEFAULT_ARGUMENTS }} ${{ inputs.COMPOSER_ARGUMENTS }}