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Date: Thu, 6 Nov 2008 12:16:35 -0800 (PST)
From: Matt Benson <gudnabrsam@yahoo.com>
Subject: Re: Strange Condition Evaluation Bug?
To: Ant Users List <user@ant.apache.org>
In-Reply-To: <20368618.post@talk.nabble.com>
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Your problem is that you checked property
isset="${foo}" when you should have been checking
property isset="foo".

HTH,
Matt

--- Shane Fisher <shanefisher1@yahoo.com> wrote:

> 
> Can someone please explain this bizarre behavior to
> me?  I can't for the life
> of me figure out why this condition is evaluating to
> "true", especially
> since just before that I'm logging the value of the
> property.
> 
> build.xml:
> 
> <?xml version="1.0" encoding="UTF-8"?>
> <project name="Simple" default="build" basedir=".">
> 
> 	<description>Test file for weird build
> bug.</description>
> 	
> 	<property environment="env"/>
> 	
> 	<target name="env-fail-check" depends="env-help"
> if="env-error-condition">
> 	
> 		<echo message="Value of env-error-condition:
> ${env-error-condition}"/>			
> 		<fail message="One or more required environment
> variables are not set. 
> Please check the output of ant target env-help."/>
> 		
> 	</target>
> 	
> 	<target name="env-help" description="Help
> description of env variables">
> 		<echo message="The following variables must be set
> in your environment:"/>
> 		<echo message="AXIS_HOME		: Directory where apache
> axis is installed. 
> e.g. C:/axis-1_4"/>
> 		<antcall target="env-info"/>
> 	</target>
> 	
> 	<target name="env-info" description="Prints env
> settings">
> 		<echo message="ant.project.name			= 
> ${ant.project.name}"/>
> 		<echo message="AXIS_HOME				=	${env.AXIS_HOME}"/>
> 	</target>
> 	
> 	<target name="init">
> 	
> 		<condition property="env-error-condition">
> 			<not>
> 				<isset property="${env.AXIS_HOME}"/>
> 			</not>				
> 		</condition>
> 		
> 		<echo message="Value of env-error-condition:
> ${env-error-condition}"/>			
> 
> 		<antcall target="env-fail-check"/>
> 		
> 	</target>
> 	
> 	<target name="build" description="Build target"
> depends="init">
> 		<!-- do some stuff here -->
> 	</target>
> 	
> </project>
> 
> Execution:
> 
> sfisher@SFISHER-D620 MdmProxy
> $ echo $AXIS_HOME
> C:\axis-1_4
> sfisher@SFISHER-D620 MdmProxy
> $ ant -f build-simple.xml
> Buildfile: build-simple.xml
> 
> init:
>      [echo] Value of env-error-condition: true
> 
> env-help:
>      [echo] The following variables must be set in
> your environment:
>      [echo] AXIS_HOME  : Directory where apache axis
> is installed.  e.g.
> C:/axis
> -1_4
> 
> env-info:
>      [echo] ant.project.name   =  Simple
>      [echo] AXIS_HOME    = C:\axis-1_4
> 
> env-fail-check:
>      [echo] Value of env-error-condition: true
> 
> BUILD FAILED
>
c:\home\sfisher\Genentech\MdmProxy\build-simple.xml:36:
> The following error
> occu
> rred while executing this line:
>
c:\home\sfisher\Genentech\MdmProxy\build-simple.xml:11:
> One or more required
> env
> ironment variables are not set.  Please check the
> output of ant target
> env-help.
> -- 
> View this message in context:
>
http://www.nabble.com/Strange-Condition-Evaluation-Bug--tp20368618p20368618.html
> Sent from the Ant - Users mailing list archive at
> Nabble.com.
> 
> 
>
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