anchor.diff:      <td>The label/name of the current job. <p class="Docs__api-param-eg"><em>Example:</em> <code>"\:hammer\: Specs"</code></p></td>
     </tr>
     <tr>
  +    <th><code>BUILDKITE_LOCAL_HOOKS_ENABLED</code></th>
  +    <td>A boolean to try and find local hooks for use instead of global hooks. <p class="Docs__api-param-eg"><em>Example:</em> <code>""</code></p></td>
  +  </tr>
  +  <tr>
       <th><code>BUILDKITE_MESSAGE</code></th>
       <td>The message associated with the build, usually the commit message. <p class="Docs__api-param-eg"><em>Example:</em> <code>"Added a great new feature"</code></p></td>
     </tr>
  
positive.code:     <td>The pipeline slug on Buildkite as used in URLs. <p class="Docs__api-param-eg"><em>Example:</em> <code>"my-project"</code></p></td>
    </tr>
    <tr>
      <th><code>BUILDKITE_PULL_REQUEST</code></th>
      <td>The number of the pull request if this branch is a pull request. <p class="Docs__api-param-eg"><em>Example:</em> <code>"123"</code> for pull request #123, or <code>"false"</code> if not a pull request.</p></td>
    </tr>
  
negative.code:     <td>The command that will be run for the job. <p class="Docs__api-param-eg"><em>Example:</em> <code>"script/buildkite/specs"</code></p></td>
    </tr>
    <tr>
      <th><code>BUILDKITE_COMMAND_EVAL</code></th>
      <td>A boolean to allow or deny running arbitrary commands on the agent. <p class="Docs__api-param-eg"><em>Example:</em> <code>""</code></p></td>
    </tr>
    <tr>
      <th><code>BUILDKITE_COMMIT</code></th>
      <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_CONFIG_PATH</code></th>
      <td> <p class="Docs__api-param-eg"><em>Example:</em> <code>""</code></p></td>
    </tr>
    <tr>
      <th><code>BUILDKITE_DISABLE_GIT_SUBMODULES</code></th>
      <td>When set to <code>true</code> prevents fetching of any git submodules during checkout. This variable is used by the <code>buildkite-agent</code> bootstrap script. <p class="Docs__api-param-eg"><em>Example:</em> <code>"true"</code></p></td>
    </tr>
    <tr>
      <th><code>BUILDKITE_ENV_FILE</code></th>
      <td> <p class="Docs__api-param-eg"><em>Example:</em> <code>""</code></p></td>
    </tr>
    <tr>
      <th><code>BUILDKITE_GIT_CLEAN_FLAGS</code></th>
      <td>A string of the flags to use when running `git clean`. <p class="Docs__api-param-eg"><em>Example:</em> <code>""</code></p></td>
    </tr>
    <tr>
      <th><code>BUILDKITE_GIT_CLONE_FLAGS</code></th>
      <td>A string of the flags to use when running `git clone`. <p class="Docs__api-param-eg"><em>Example:</em> <code>""</code></p></td>
    </tr>
    <tr>
      <th><code>BUILDKITE_GIT_SUBMODULES</code></th>
      <td>A boolean to request or prevent the download of git submodules during `git clone`.  <p class="Docs__api-param-eg"><em>Example:</em> <code>""</code></p></td>
    </tr>
    <tr>
      <th><code>BUILDKITE_HOOKS_PATH</code></th>
      <td>A string of the path to the hooks directory on the agent machine. <p class="Docs__api-param-eg"><em>Example:</em> <code>""</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>
  