 Git tries to find such a directory in the parent
directories to find the top of the working tree, but by default it
does not cross filesystem boundaries.  This environment variable
can be set to true to tell Git not to stop at filesystem
boundaries.  Like <code>GIT_CEILING_DIRECTORIES</code>, this will not affect
an explicit repository directory set via <code>GIT_DIR</code> or on the
command line.</p>
</dd>
<dt class="hdlist1"><code>GIT_COMMON_DIR</code></dt>
<dd>
<p>If this variable is set to a path, non-