Ahhh, you're using var instead of property. I missed that before. Since you
instantiate it first, the scope remains over the antcalls. Beautiful, thanks
Budd!
Eric
----- Original Message -----
From: "McNish, Budd" <bmcn...@healthplan.com>
To: Ant Users List <user@ant.apache.org>; 'Eric Fetzer' <elstonk...@yahoo.com>
Cc:
Sent: Wednesday, May 15, 2013 9:36 AM
Subject: RE: <target unless=...>
Eric,
Okay try this one.
<project default="invalid">
<target name="invalid">
<taskdef resource="net/sf/antcontrib/antcontrib.properties">
<classpath location="${antcontrib.jar}"/>
</taskdef>
<var name="testit" value="" />
<antcall target="test1" inheritall="true" />
<antcall target="test2" inheritall="true" />
</target>
<target name="test1" depends="setvalue">
<echo message="in test1 and value of testit is: ${testit}"/>
</target>
<target name="test2" unless="testit">
<echo message="in test2"/>
<echo message="value of testit is: ${testit}"/>
</target>
<target name="setvalue">
<echo>setting the value to 1.2.3.4</echo>
<var name="testit" value="1.2.3.4" />
<echo>testit = ${testit}</echo>
</target>
</project>
C:\IBM>ant -f /temp/throw.xml
Buildfile: C:\temp\throw.xml
invalid:
setvalue:
[echo] setting the value to 1.2.3.4
[echo] testit = 1.2.3.4
test1:
[echo] in test1 and value of testit is: 1.2.3.4
test2:
BUILD SUCCESSFUL
Total time: 0 seconds
C:\IBM>
Budd A. McNish
Health Plan Services
813-289-1000 ext. 2352
-----Original Message-----
From: Eric Fetzer [mailto:elstonk...@yahoo.com]
Sent: Wednesday, May 15, 2013 11:21 AM
To: Ant Users List
Subject: Re: <target unless=...>
Sorry Budd, it looks like I wasn't clear on one aspect of this. The value of
this property must be set inside of the first target called. In reality, the
first target called has a depends target that may set this property. Based on
whether it sets that property, we may or may not want to come back to that
target again. So a more valid repro would be:
<project name="test" default="testIt">
<taskdef resource="net/sf/antcontrib/antlib.xml"/>
<target name="testIt">
<antcall target="test1" inheritall="true" />
<echo message="back out to main target, label is: ${label}"/>
<antcall target="test2" inheritall="true" />
</target>
<target name="test1" depends="setLabel" >
<echo message="in test1 and value of label is: ${label}"/>
</target>
<target name="test2" depends="setLabel">
<echo message="in test2"/>
<echo message="value of label is: ${label}"/>
</target>
<target name="setLabel" unless="label">
<property name="label" value="1.2.3.4"/>
<echo message="I'm creating a label here..."/>
</target>
</project>
And the results from running this are:
Buildfile: test.xml
testIt:
setLabel:
[echo] I'm creating a label here...
test1:
[echo] in test1 and value of label is: 1.2.3.4
[echo] back out to main target, label is: ${label}
setLabel:
[echo] I'm creating a label here...
test2:
[echo] in test2
[echo] value of label is: 1.2.3.4
BUILD SUCCESSFUL
Total time: 0 seconds
You see that it attempts to create the label twice which will fail in my real
application. I think what I need to do instead is:
<project name="test" default="testIt">
<taskdef resource="net/sf/antcontrib/antlib.xml"/>
<target name="testIt" depends="setLabel">
<antcall target="test1" inheritall="true" />
<antcall target="test2" inheritall="true" />
</target>
<target name="test1">
<echo message="in test1 and value of label is: ${label}"/>
</target>
<target name="test2">
<echo message="in test2"/>
<echo message="value of label is: ${label}"/>
</target>
<target name="setLabel">
<property name="label" value="1.2.3.4"/>
<echo message="I'm creating a label here..."/>
</target>
</project>
In my real world application, that will take some rewriting, but simple is
good... Thanks for looking at my spaghetti (mmmmmm, meatballs)!
Thanks,
Eric
----- Original Message -----
From: "McNish, Budd" <bmcn...@healthplan.com>
To: Ant Users <user@ant.apache.org>; 'Eric Fetzer' <elstonk...@yahoo.com>
Cc:
Sent: Wednesday, May 15, 2013 8:48 AM
Subject: RE: <target unless=...>
This works.
<project default="invalid">
<target name="invalid">
<property name="testit" value="" />
<antcall target="test1" inheritall="true" >
<param name="testit" value="true"/>
</antcall>
<antcall target="test2" inheritall="true" />
</target>
<target name="test1">
<echo message="in test1 and value of testit is: ${testit}"/>
</target>
<target name="test2" unless="testit">
<echo message="in test2"/>
<echo message="value of testit is: ${testit}"/>
</target>
</project>
C:\IBM>ant -f /temp/throw.xml
Buildfile: C:\temp\throw.xml
invalid:
test1:
[echo] in test1 and value of testit is: true
test2:
BUILD SUCCESSFUL
Total time: 0 seconds
C:\IBM>
Budd A. McNish
Health Plan Services
813-289-1000 ext. 2352
-----Original Message-----
From: Eric Fetzer [mailto:elstonk...@yahoo.com]
Sent: Wednesday, May 15, 2013 10:14 AM
To: Ant Users
Subject: <target unless=...>
Hi! I've found that my unless= is somewhat useless when using <antcall>.
Here's a repro for what I'm trying to do:
<project name="test" default="testIt">
<taskdef resource="net/sf/antcontrib/antlib.xml"/>
<target name="testIt">
<antcall target="test1" inheritall="true" />
<antcall target="test2" inheritall="true" />
</target>
<target name="test1">
<property name="testit" value="true"/>
<echo message="in test1 and value of testit is: ${testit}"/>
</target>
<target name="test2" unless="testit">
<echo message="in test2"/>
<echo message="value of testit is: ${testit}"/>
</target>
</project>
And the results that I'm sure you anticipate as you understand how antcall
works:
[me@myMachine]$ ant -f test.xml
Buildfile: test.xml
testIt:
test1:
[echo] in test1 and value of testit is: true
test2:
[echo] in test2
[echo] value of testit is: ${testit} BUILD SUCCESSFUL Total time: 0
seconds
My actual antcall is in a for loop using a list to call targets that start with
the same word, like so:
<for list="${build.apps} param="app">
<sequential>
<antcall target="build@{app}"/>
</sequential>
</for>
Can anyone give me a better methodology for achieving the results I'm after?
Thanks,
Eric
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