anchor.diff:    </tr>
   </tbody>
   </table>
  -
  -Bootstrap vars:
  -BUILDKITE_DISABLE_GIT_SUBMODULES
  -BUILDKITE_REFSPEC
   
   ## Defining your own
   
  
positive.code:   </tr>
    <tr>
      <th><code>BUILDKITE_PULL_REQUEST_REPO</code></th>
      <td>The repository URL of the third-party pull request. <p class="Docs__api-param-eg"><em>Example:</em> <code>"git://github.com/acme-inc/my-project.git"</code>, or <code>""</code> if not a pull request.</p></td>
    </tr>
    <tr>
      <th><code>BUILDKITE_REBUILT_FROM_BUILD_ID</code></th>
  
negative.code:     <td>The commit of the build. <p class="Docs__api-param-eg"><em>Example:</em> <code>"83a20ec058e2fb00e7fa4558c4c6e81e2dcf253d"</code></p></td>
    </tr>
    <tr>
      <th><code>BUILDKITE_DISABLE_GIT_SUBMODULES</code></th>
      <td>When set to `true` prevents fetching of any git submodules during checkout. This variable is used by the `buildkite-agent` bootstrap script. <p class="Docs__api-param-eg"><em>Example:</em> <code>"true"</code></p></td>
    </tr>
    <tr>
      <th><code>BUILDKITE_JOB_ID</code></th>
      <td>Internal UUID Buildkite uses for this job. <p class="Docs__api-param-eg"><em>Example:</em> <code>"e44f9784-e20e-4b93-a21d-f41fd5869db9"</code></p></td>
    </tr>
  