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<body>
<div id="header">
<h1>directory listing API</h1>
</div>
<div id="preamble">
<div class="sectionbody">
<div class="paragraph"><p>The directory listing API is used to enumerate paths in the work tree,
optionally taking <tt>.git/info/exclude</tt> and <tt>.gitignore</tt> files per
directory into account.</p></div>
</div>
</div>
<h2 id="_data_structure">Data structure</h2>
<div class="sectionbody">
<div class="paragraph"><p><tt>struct dir_struct</tt> structure is used to pass directory traversal
options to the library and to record the paths discovered.  The notable
options are:</p></div>
<div class="dlist"><dl>
<dt class="hdlist1">
<tt>exclude_per_dir</tt>
</dt>
<dd>
<p>
        The name of the file to be read in each directory for excluded
        files (typically <tt>.gitignore</tt>).
</p>
</dd>
<dt class="hdlist1">
<tt>collect_ignored</tt>
</dt>
<dd>
<p>
        Include paths that are to be excluded in the result.
</p>
</dd>
<dt class="hdlist1">
<tt>show_ignored</tt>
</dt>
<dd>
<p>
        The traversal is for finding just ignored files, not unignored
        files.
</p>
</dd>
<dt class="hdlist1">
<tt>show_other_directories</tt>
</dt>
<dd>
<p>
        Include a directory that is not tracked.
</p>
</dd>
<dt class="hdlist1">
<tt>hide_empty_directories</tt>
</dt>
<dd>
<p>
        Do not include a directory that is not tracked and is empty.
</p>
</dd>
<dt class="hdlist1">
<tt>no_gitlinks</tt>
</dt>
<dd>
<p>
        If set, recurse into a directory that looks like a git
        directory.  Otherwise it is shown as a directory.
</p>
</dd>
<dt class="hdlist1">
The result of the enumeration is left in these fields
</dt>
<dt class="hdlist1">
<tt>entries[]</tt>
</dt>
<dd>
<p>
        An array of <tt>struct dir_entry</tt>, each element of which describes
        a path.
</p>
</dd>
<dt class="hdlist1">
<tt>nr</tt>
</dt>
<dd>
<p>
        The number of members in <tt>entries[]</tt> array.
</p>
</dd>
<dt class="hdlist1">
<tt>alloc</tt>
</dt>
<dd>
<p>
        Internal use; keeps track of allocation of <tt>entries[]</tt> array.
</p>
</dd>
</dl></div>
</div>
<h2 id="_calling_sequence">Calling sequence</h2>
<div class="sectionbody">
<div class="paragraph"><p>Note: index may be looked at for .gitignore files that are CE_SKIP_WORKTREE
marked. If you to exclude files, make sure you have loaded index first.</p></div>
<div class="ulist"><ul>
<li>
<p>
Prepare <tt>struct dir_struct dir</tt> and clear it with <tt>memset(&amp;dir, 0,
  sizeof(dir))</tt>.
</p>
</li>
<li>
<p>
Call <tt>add_exclude()</tt> to add single exclude pattern,
  <tt>add_excludes_from_file()</tt> to add patterns from a file
  (e.g. <tt>.git/info/exclude</tt>), and/or set <tt>dir.exclude_per_dir</tt>.  A
  short-hand function <tt>setup_standard_excludes()</tt> can be used to set up
  the standard set of exclude settings.
</p>
</li>
<li>
<p>
Set options described in the Data Structure section above.
</p>
</li>
<li>
<p>
Call <tt>read_directory()</tt>.
</p>
</li>
<li>
<p>
Use <tt>dir.entries[]</tt>.
</p>
</li>
</ul></div>
<div class="paragraph"><p>(JC)</p></div>
</div>
<div id="footer">
<div id="footer-text">
Last updated 2010-12-17 03:09:32 UTC
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