I think this is finally what I've been struggling with. It doesn't seem
to work when the env variable actually exists. Here is my macro:
=============================
<macrodef name="check-for-ext">
<sequential>
<echo>${env.DAVINCI_EXT}</echo>
<fail>
<condition>
<not>
<isset property="${env.DAVINCI_EXT}"/>
</not>
</condition>
Cause:
DAVINCI_EXT environment variable has not been set!
</fail>
</sequential>
</macrodef>
================================
And here is what I get trying to invoke it from basic task:
===========================================================
[EMAIL PROTECTED] ~/work/davinci-dev/davinci-master
$ echo $DAVINCI_EXT
serge
[EMAIL PROTECTED] ~/work/davinci-dev/davinci-master
$ ant -f setup-user.xml setup-home
Buildfile: setup-user.xml
setup-home:
[echo] serge
BUILD FAILED
C:\Documents and Settings\serge\My
Documents\work\davinci-dev\davinci-master\setup-user.xml:91: The
following error occurred while executing this line:
C:\Documents and Settings\serge\My
Documents\work\davinci-dev\davinci-master\setup-user.xml:201: Cause:
DAVINCI_EXT environment variable has not been set!
Total time: 0 seconds
========================================================================
I am using Cygwin on WinXP. Ant is 1.6.5.
Any ideas would be really appreciated.
Thanks again,
-Serge
Matt Benson wrote:
uh... no. Try it. Then reread
http://ant.apache.org/manual/CoreTasks/fail.html .
-Matt
--- Sergei Dubov <[EMAIL PROTECTED]> wrote:
The whole point is that ${env.NO_VALUE} will return
${env.NO_VALUE} as
its value if it doesn't exist...
-Serge.
Burgess, Benjamin wrote:
Will <fail unless="env.NO_VALUE"/> work for you?
Ben
-----Original Message-----
From: Sergei Dubov [mailto:[EMAIL PROTECTED]
Sent: Tuesday, January 24, 2006 3:48 PM
To: user@ant.apache.org
Subject: Checking for non-existence of environment
variable
Hi guys,
I am sure this question has been asked before. But
I did my research and
found no answers whatsoever.
Basically I am trying to check for existence of an
environment variable.
And if it is not defined I want the script to
fail.
<project name="base" basedir="."
default="echo-env">
<property environment="env"/>
<target name="echo-env">
<echo>${env.NO_VALUE}</echo>
</target>
</project>
Basically this will return "${env.NO_VALUE}".
And potential <available> check will think it
actually HAS value. Is
there any way to make Ant recognize that
System.getenv("NO_VALUE")
returns null?
Thank you very much beforehand,
Serge.
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