Hi Robert,
couple questions to make sure I'm following you right.
1. I'm currently setting the value of JOF in the build.userproperties file
to " JOF=C:/Inetpub/wwwroot/wo30"
and even if I try to run a conditional in the build.xml file < property
name="JOF" value="F:/Inetpub/wwwroot/wo30"/>
The value of JOF gets set in stone when build.xml runs? Build.properties
files always override build.xml?
2. Since I already have a file build.user.properties I could just set the
default value of JOF path in that file like <property name="JOF"
value="C:/Inetpub/wwwroot/wo30"/> which would be the state that the build
file is not being run on the build box?
so your code would look like:
<?xml version="1.0" encoding="utf-8"?>
<project name="plugin-rules" basedir="." default="setJOF">
<target name="setJOF">
<property environment="env"/>
<echo>BUILD_BOX = ${env.BUILD_BOX}</echo>
<condition property="JOF" value="F:/Inetpub/wwwroot/wo30">
<isset property="env.BUILD_BOX"/>
</condition>
<echo>JOF = ${JOF}</echo>
<property file="build.user.properties" />
<echo>After Property file, JOF = ${JOF}</echo>
</target>
</project>
Thanks,
BPM
-----Original Message-----
From: Echlin, Robert [mailto:robert.ech...@windriver.com]
Sent: Monday, June 06, 2011 12:46 PM
To: Ant Users List
Subject: RE: How change variable based on environment variable value
Hi Brian,
Try this code.
Note: you can't put the default value of JOF into a file that will be loaded
automatically when ant is run, such as (home)/.antrc,
as that would set JOF before your code executes. First set works, last set
fails.
On the other hand, you could set "JOF_default" in a properties file that is
loaded before this code is run, then have an "else" clause in your condition
to use it when BUILD_BOX is not set in your environment:
<condition property="JOF" value="F:/Inetpub/wwwroot/wo30"
else="${JOF_default}">
Rob
------------ simplified code ----------
<?xml version="1.0" encoding="utf-8"?>
<project name="plugin-rules" basedir="." default="setJOF">
<target name="setJOF">
<property environment="env"/>
<echo>BUILD_BOX = ${env.BUILD_BOX}</echo>
<condition property="JOF" value="F:/Inetpub/wwwroot/wo30">
<isset property="env.BUILD_BOX"/>
</condition>
<echo>JOF = ${JOF}</echo>
<property file="jof.properties" />
<echo>After Property file, JOF = ${JOF}</echo>
</target>
</project>
---------------- output of test run - no build-run ---------
C:\Documents and Settings\rechlin\My Documents\test\TEST-ant>set BUILD_BOX=
C:\Documents and Settings\rechlin\My Documents\test\TEST-ant>echo
%BUILD_BOX%
%BUILD_BOX%
C:\Documents and Settings\rechlin\My Documents\test\TEST-ant>ant -f
jof-test.xml
Buildfile: C:\Documents and Settings\rechlin\My
Documents\test\TEST-ant\jof-test.xml
setJOF:
[echo] BUILD_BOX = ${env.BUILD_BOX}
[echo] JOF = ${JOF}
[echo] After Property file, JOF = C:/Inetpub/wwwroot/wo30
BUILD SUCCESSFUL
Total time: 0 seconds
------------------------ output of test run with BUILD_RUN set in the
environment ---------
C:\Documents and Settings\rechlin\My Documents\test\TEST-ant>set
BUILD_BOX=true
C:\Documents and Settings\rechlin\My Documents\test\TEST-ant>echo
%BUILD_BOX%
true
C:\Documents and Settings\rechlin\My Documents\test\TEST-ant>ant -f
jof-test.xml
Buildfile: C:\Documents and Settings\rechlin\My
Documents\test\TEST-ant\jof-test.xml
setJOF:
[echo] BUILD_BOX = true
[echo] JOF = F:/Inetpub/wwwroot/wo30
[echo] After Property file, JOF = F:/Inetpub/wwwroot/wo30
BUILD SUCCESSFUL
Total time: 0 seconds
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