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From Stefan Bodewig <bode...@apache.org>
Subject Re: WELCOME to user@ant.apache.org
Date Mon, 15 Jun 2015 03:57:38 GMT
On 2015-06-14, aalok singhvi wrote:

> Stephen can you give me an example on update jars where I use ant within
> ant.

<exec> invoking ant.bat is probably the easiest way for starting Ant
from within a buildfile.

Ant's main jar (ant-launcher.jar in 1.7.0 IIRC) doesn't contain a
Main-Class entry in its manifest, when using <java> it would be
something like (untested)

<java fork="true" class="org.apache.tools.ant.Main">
  <classpath>
    <fileset dir="${ant.home}">
      <includes name="lib/*.jar"/>
    </fileset>
  </classpath>
</java>

But the exec approach may be superior as the batch file taskes care of
several installation specific special cases.

Stefan

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