.</li>

        <li>It checks the disk space required by the current transaction. It
        fails the commit if it requires more than 5Mb of disk space.</li>
      </ul>
    </dd>

    <dt>templates/hook/post-commit</dt>

    <dd>A simple post-commit hook script which runs the script
    <code>post-commit-background</code> in the background.</dd>

    <dt>templates/hook/post-commit-background</dt>

    <dd>
      This script runs in the background after each commit.

      <ul>
        <li>It updates a <sa