Because you set the property in a target, it is invisible to other
targets.
If you call another target in from this target with the
inheritall="true", it will be visible to the children.
<target name="init" unless="buildstamp">
<tstamp>
<format property="buildstamp" pattern="yyyyMMdd-HHmm"/>
</tstamp>
<property name="buildstamp" value="blah"/>
<ant target="echo_buildstamp" inheritall="true"/>
</target>
<target name="echo_buildstamp">
<echo message="buildstamp is ${buildstamp}."/>
</target>
Another thing you can do is have this target in it's own build.xml and
have it write the property to a file (using the replace task) and then
in the main build.xml, load that property file.
Matt
-----Original Message-----
From: Maurer, Justin [mailto:jmaurer@defywire.com]
Sent: Thursday, June 12, 2003 8:40 AM
To: user@ant.apache.org
Subject: Difficulty with "unless" attribute
Greetings,
Much FAQ-reading and Google searching has led me here. I'm
having some difficulty with the "unless" attribute of the <target> task.
I have a target, currently named init, with the sole purpose of setting
a property to be used as a buildstamp. Presently, it looks like this:
<target name="init" unless="buildstamp>
<tstamp>
<format property="buildstamp" pattern="yyyyMMdd-HHmm"/>
</tstamp>
<property name="buildstamp" value="blah"/>
</target>
(the <property name...> doesn't affect the results - i put it in just to
be sure the property was being set...). I can refer to ${buildstamp}
later in the file, once this target has been executed, but this target
_keeps_ getting run, and buildstamp keeps getting changed (the
lowest-level module we have depends on init, other resources depend on
this module..).
Thanks for any assistance, my sincerest apologies if I've asked a silly
question (I checked the FAQs!)!
Justin Maurer
Software Configuration Engineer
Defywire, Inc.
Direct:
Mobile:
Fax:
Email: jmaurer@defywire.com
"Enabling the Enterprise"
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