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<title>ChangeLog Task</title>
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<body>

<h2 id="changelog">CvsChangeLog</h2>
<h3>Description</h3>
<p>Generates an XML-formatted report file of the change logs recorded in
a <a href="https://www.nongnu.org/cvs/" target="_top">CVS</a> repository.</p>
<p><strong>Important</strong>: This task needs <kbd>cvs</kbd> on the path. If it isn't, you will get
an error (such as <code>error=2</code> on Windows). If <code>&lt;cvs&gt;</code> doesn't work, try to
execute <kbd>cvs.exe</kbd> from the command line in the target directory in which you are working.
Also note that this task assumes that the <kbd>cvs</kbd> executable is compatible with the Unix
version, this is not completely true for certain other CVS clients&mdash;like CVSNT for
example&mdash;and some operation may fail when using such an incompatible client.</p>
<h3>Parameters</h3>
<table class="attr">
  <tr>
    <th scope="col">Attribute</th>
    <th scope="col">Description</th>
    <th scope="col">Required</th>
  </tr>
  <tr>
    <td colspan="3" class="left">Attributes from parent <code>&lt;cvs&gt;</code> task which are
    meaningful here<br/><em>Since Apache Ant 1.6.1</em></td>
  </tr>
  <tr>
    <td>cvsRoot</td>
    <td>the <code>CVSROOT</code> variable.</td>
    <td>No</td>
  </tr>
  <tr>
    <td>cvsRsh</td>
    <td>the <code>CVS_RSH</code> variable.</td>
    <td>No</td>
  </tr>
  <tr>
    <td>package</td>
    <td>the package/module to check out.  <strong>Note</strong>: multiple attributes can be split
      using spaces.  Use a nested <code>&lt;module&gt;</code> element if you want to specify a
      module with spaces in its name.</td>
    <td>No</td>
  </tr>
  <tr>
    <td>port</td>
    <td>Port used by CVS to communicate with the server.</td>
    <td>No; defaults to <q>2401</q></td>
  </tr>
  <tr>
    <td>passfile</td>
    <td>Password file to read passwords from.</td>
    <td>No; defaults to <q>~/.cvspass</q></td>
  </tr>
  <tr>
    <td>failonerror</td>
    <td>Stop the build process if the command exits with a return code other than <q>0</q></td>
    <td>No; defaults to <q>false</q></td>
  </tr>
  <tr>
    <td>tag</td>
    <td>query the changelog for a specific branch.</td>
    <td>No</td>
  </tr>
  <tr>
    <td colspan="3" class="left">Specific attributes</td>
  </tr>
  <tr>
    <td>dir</td>
    <td>The directory from which to run the <kbd>cvs log</kbd> command.</td>
    <td>No; defaults to <q>${basedir}</q></td>
  </tr>
  <tr>
    <td>destfile</td>
    <td>The file in which to write the change log report.</td>
    <td>Yes</td>
  </tr>
  <tr>
    <td>usersfile</td>
    <td>Property file that contains name-value pairs mapping user IDs and names that should be used
      in the report in place of the user ID.</td>
    <td>No</td>
  </tr>
  <tr>
    <td>daysinpast</td>
    <td>Sets the number of days into the past for which the change log information should be
      retrieved.</td>
    <td>No</td>
  </tr>
  <tr>
    <td>start</td>
    <td>The earliest date from which change logs are to be included in the report.</td>
    <td>No</td>
  </tr>
  <tr>
    <td>end</td>
    <td>The latest date to which change logs are to be included in the report.</td>
    <td>No</td>
  </tr>
  <tr>
    <td>remote</td>
    <td>If set to true, works against the repository (using <kbd>cvs rlog</kbd>) without a working
      copy.  <em>Since Ant 1.8.0</em></td>
    <td>No; default is <q>false</q></td>
  </tr>
  <tr>
    <td>startTag</td>
    <td>The start of a tag range. If <var>endTag</var> is also specified, they must both be on the
      same branch. If <var>endTag</var> is not specified, the end of the range will be the latest on
      the same branch on which <var>startTag</var> lives. <em>Since Ant 1.8.0</em></td>
    <td>No</td>
  </tr>
  <tr>
    <td>endTag</td>
    <td>The end of a tag range. If <var>startTag</var> is also specified, they must both be on the
      same branch. If <var>startTag</var> is not specified, the start of the range will be the top
      of the branch on which <var>endTag</var> lives. <em>Since Ant 1.8.0</em></td>
    <td>No</td>
  </tr>
</table>

<h3>Parameters specified as nested elements</h3>
<h4 id="user">user</h4>
<p>The nested <code>&lt;user&gt;</code> element allows you to specify a mapping between a user ID as
it appears on the CVS server and a name to include in the formatted report.  Anytime the specified
user ID has made a change in the repository, the <code>&lt;author&gt;</code> tag in the report file
will include the name specified in <var>displayname</var> rather than the user ID.</p>

<table class="attr">
  <tr>
    <th scope="col">Attribute</th>
    <th scope="col">Description</th>
    <th scope="col">Required</th>
  </tr>
  <tr>
    <td>displayname</td>
    <td>The name to be used in the CVS change log report.</td>
    <td>Yes</td>
  </tr>
  <tr>
    <td>userid</td>
    <td>The user ID of the person as it exists on the CVS server.
    </td>
    <td>Yes</td>
  </tr>
</table>

<h4>module</h4>

<p>Specifies a package/module to work on, unlike the package attribute modules specified using this
attribute can contain spaces in their name.</p>

<table class="attr">
  <tr>
    <th scope="col">Attribute</th>
    <th scope="col">Description</th>
    <th scope="col">Required</th>
  </tr>
  <tr>
    <td>name</td>
    <td>The module's/package's name.</td>
    <td>Yes</td>
  </tr>
</table>

<h3>Examples</h3>
<p>Generate a change log report for all the changes that have been made under
the <samp>dve/network</samp> directory. Write these changes into the
file <samp>changelog.xml</samp>.</p>
<pre>
&lt;cvschangelog dir=&quot;dve/network&quot;
              destfile=&quot;changelog.xml&quot;/&gt;</pre>

<p>Generate a change log report for any changes that were made under the <samp>dve/network</samp>
directory in the past 10 days. Write these changes into the file <samp>changelog.xml</samp>.</p>
<pre>
&lt;cvschangelog dir=&quot;dve/network&quot;
              destfile=&quot;changelog.xml&quot;
              daysinpast=&quot;10&quot;/&gt;</pre>

<p>Generate a change log report for any changes that were made between February 20, 2002 and March
20, 2002 under the <samp>dve/network</samp> directory. Write these changes into the
file <samp>changelog.xml</samp>.</p>
<pre>
&lt;cvschangelog dir=&quot;dve/network&quot;
              destfile=&quot;changelog.xml&quot;
              start=&quot;20 Feb 2002&quot;
              end=&quot;20 Mar 2002&quot;/&gt;</pre>

<p>Generate a change log report for any changes that were made after February 20, 2002 under
the <samp>dve/network</samp> directory. Write these changes into the
file <samp>changelog.xml</samp>.</p>
<pre>
&lt;cvschangelog dir=&quot;dve/network&quot;
              destfile=&quot;changelog.xml&quot;
              start=&quot;20 Feb 2002&quot;/&gt;</pre>

<p>Generate a change log report for all the changes that were made under
the <code>dve/network</code> directory, substituting the name <samp>Peter Donald</samp> in
the <code>&lt;author&gt;</code> tags anytime a change made by the user ID <samp>donaldp</samp> is
encountered.  Write these changes into the file <samp>changelog.xml</samp>.</p>
<pre>
&lt;cvschangelog dir=&quot;dve/network&quot;
              destfile=&quot;changelog.xml&quot;&gt;
    &lt;user displayname=&quot;Peter Donald&quot; userid=&quot;donaldp&quot;/&gt;
&lt;/cvschangelog&gt;</pre>

<p>Generate a change log report on the <code>ANT_16_BRANCH</code>.</p>
<pre>
&lt;cvschangelog dir=&quot;c:/dev/asf/ant.head&quot; passfile=&quot;c:/home/myself/.cvspass&quot;
              destfile=&quot;changelogant.xml&quot; tag=&quot;ANT_16_BRANCH&quot;/&gt;</pre>
<h4>Generate Report</h4>
<p>Ant includes a basic XSLT stylesheet that you can use to generate a HTML report based on the XML
output. The following example illustrates how to generate a HTML report from the XML report.</p>

<pre>
&lt;style in="changelog.xml"
      out="changelog.html"
      style="${ant.home}/etc/changelog.xsl"&gt;
  &lt;param name="title" expression="Ant ChangeLog"/&gt;
  &lt;param name="module" expression="ant"/&gt;
  &lt;param name="cvsweb" expression="https://cvs.apache.org/viewcvs/"/&gt;
&lt;/style&gt;</pre>

<h4>Sample Output</h4>
<pre>
&lt;changelog&gt;
  &lt;entry&gt;
    &lt;date&gt;2002-03-06&lt;/date&gt;
    &lt;time&gt;12:00&lt;/time&gt;
    &lt;author&gt;Peter Donald&lt;/author&gt;
    &lt;file&gt;
      &lt;name&gt;org/apache/myrmidon/build/AntlibDescriptorTask.java&lt;/name&gt;
      &lt;revision&gt;1.3&lt;/revision&gt;
      &lt;prevrevision&gt;1.2&lt;/prevrevision&gt;
    &lt;/file&gt;
    &lt;msg&gt;&lt;![CDATA[Use URLs directly rather than go via a File.

This allows templates to be stored inside jar]]&gt;&lt;/msg&gt;
  &lt;/entry&gt;
&lt;/changelog&gt;</pre>

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