salt/doc/_templates/version.html

{% if '-g' in version %}
{% set sha = version.rsplit('-g', 1)[-1] %}
<p>These docs are for Salt's development version:
    <a href="https://github.com/saltstack/salt/tree/{{ sha }}">{{ sha }}</a>.</p>
{% endif %}

<p class="muted">Docs for previous releases are available on
    <a href="https://readthedocs.org/projects/salt/">readthedocs.org</a>.</p>

<p>Latest Salt release: <a href="{{ pathto('topics/releases/{0}'.format(release)) }}">{{ release }}</a></p>