title: Private Gitlab composer repository access
body: <p>I am trying to get my composer file to pull a repository from Gitlab but so far it is still asking for my username &amp; password.</p>
  
  <pre><code>{
  "repositories": [
      {
          "type": "package",
          "package": {
              "name": "composer-pkg-name",
              "version": "0.1.0",
              "type": "package",
              "source": {
                  "url": "https://blah@gitlab.com/repo-url,
                  "type": "git",
                  "reference": "master"
              },
              "autoload": {
                  "classmap": [""]
              }
          }
      }
  ],
  "require": {
      "blah/composer-pkg-name": "0.1.0"
  },
  "config": {
      "gitlab.com": "secret-account-access-token"
  }}
  </code></pre>