wangwei
/
antliscence
forked from youys/ant

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<title>TarFileSet Type</title>
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<h2><a name="fileset">TarFileSet</a></h2>

<p><em>TarFileSet</em> has been added as a stand-alone type in Apache Ant
1.7.</p>

<p>A <code>&lt;tarfileset&gt;</code> is a special form of a <code>&lt;<a
 href="fileset.html">fileset</a>&gt;</code> which can behave in 2
different ways : <br>
</p>
<ul>
  <li>When the <span style="font-style: italic;">src</span> attribute
  is used - or a nested resource collection has been specified, the
  tarfileset is populated with tar entries found in the file <span
  style="font-style: italic;">src</span>.<br>
  </li>
  <li>When the <span style="font-style: italic;">dir</span> attribute
is used, the tarfileset is populated with filesystem files found under <span
 style="font-style: italic;">dir</span>.<br>
  </li>
</ul>
<p><code>&lt;tarfileset&gt;</code> supports all attributes of <code>&lt;<a
 href="fileset.html">fileset</a>&gt;</code>
in addition to those listed below.<br>
</p>
<p>A tarfileset can be defined with the <span style="font-style:
italic;">id </span>attribute and referred to with the <span
style="font-style: italic;">refid</span> attribute.  This is also true
for tarfileset which has been added in Ant 1.7.<br>
</p>
<h3>Parameters</h3>
<table border="1" cellpadding="2" cellspacing="0">
  <tbody>
    <tr>
      <td valign="top"><b>Attribute</b></td>
      <td valign="top"><b>Description</b></td>
      <td valign="top" align="center"><b>Required</b></td>
    </tr>
    <tr>
      <td valign="top">prefix</td>
      <td valign="top">all files in the fileset are prefixed with that 
path in the archive.</td>
      <td align="center" valign="top">No</td>
    </tr>
    <tr>
      <td valign="top">fullpath</td>
      <td valign="top">the file described by the fileset is placed at  
that exact location in the archive.</td>
      <td align="center" valign="top">No</td>
    </tr>
    <tr>
      <td valign="top">src</td>
      <td valign="top">may be used in place of the <i>dir</i> attribute
 to specify a tar file whose contents will be extracted and     included
in the archive.</td>
      <td align="center" valign="top">No</td>
    </tr>
    <tr>
      <td valign="top">filemode</td>
      <td valign="top">A 3 digit octal string, specify the user, group 
and other modes in the standard Unix fashion.  Only applies to    
plain files.  Default is 644.</td>
      <td align="center" valign="top">No</td>
    </tr>
    <tr>
      <td valign="top">dirmode</td>
      <td valign="top">A 3 digit octal string, specify the user, group 
and other modes in the standard Unix fashion.  Only applies to    
directories.  Default is 755.</td>
      <td align="center" valign="top">No</td>
    </tr>
    <tr>
      <td valign="top">username</td>
      <td valign="top">The username for the tar entry. This is not the same as the UID.
       </td>
      <td align="center" valign="top">No</td>
    </tr>
    <tr>
      <td valign="top">group</td>
      <td valign="top">The groupname for the tar entry. This is not the same as the GID.
      </td>
      <td align="center" valign="top">No</td>
    </tr>
    <tr>
      <td valign="top">uid</td>
      <td valign="top">The user identifier (UID) for the tar entry. This is an integer value
        and is not the same as the username.
      </td>
      <td align="center" valign="top">No</td>
    </tr>
    <tr>
      <td valign="top">gid</td>
      <td valign="top">The group identifier (GID) for the tar entry.
      </td>
      <td align="center" valign="top">No</td>
    </tr>
    <tr>
      <td valign="top">erroronmissingarchive</td>
      <td valign="top">
        Specify what happens if the archive does not exist.
        If true, a build error will happen; if false, the fileset
        will be ignored/empty.
        Defaults to true.
        <em>Since Ant 1.8.0</em>
      </td>
      <td valign="top" align="center">No</td>
    </tr>
  </tbody>
</table>
<p>The <i>fullpath</i> attribute can only be set for filesets that
represent a single file. The <i>prefix</i> and <i>fullpath</i>
attributes cannot both be set on the same fileset.</p>
<p>When using the <i>src</i> attribute, include and exclude patterns
may be used to specify a subset of the archive for inclusion in the
archive as with the <i>dir</i> attribute.</p>

<p>Please note that currently only the <a
href="../Tasks/tar.html">tar</a> task uses the permission and
ownership attributes.</p>

<h3>Parameters specified as nested elements</h3>

<h4>any <a href="resources.html">resource</a> or single element
resource collection</h4>

<p>The specified resource will be used as src.</p>

<h4>Examples</h4>
<blockquote>
<pre>
  &lt;copy todir="some-dir"&gt;
    &lt;tarfileset includes="lib/**"&gt;
      &lt;bzip2resource&gt;
        &lt;url url="http://example.org/dist/some-archive.tar.bz2"/&gt;
      &lt;/bzip2resource&gt;
    &lt;/tarfileset&gt;
  &lt;/copy&gt;
      </pre></blockquote>

<p>downloads the archive some-archive.tar.bz2, uncompresses and
extracts it on the fly, copies the contents of the lib directory into
some-dir and discards the rest of the archive.  File timestamps will
be compared between the archive's entries and files inside the target
directory, no files get overwritten unless they are out-of-date.</p>


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