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From Shawn Castrianni <>
Subject RE: Ivy can mutate Ant properties? What?
Date Wed, 12 Nov 2008 18:02:13 GMT
Yes, this is default behavior.  IVY settings files can have properties with the option to alter
pre-existing properties.  The option is in the "override" attribute.  If you set it to false,
then you will not mutate any ANT pre-existing properties.

Shawn Castrianni

-----Original Message-----
From: Brown, Carlton []
Sent: Wednesday, November 12, 2008 11:57 AM
Subject: Ivy can mutate Ant properties? What?

I was surprised today to observe that the ivy:info task can mutate Ant
properties, which are supposedly immutable.

In this snippet of Ant code, I hardcode some Ant properties.  After a
call to ivy:info, these properties have changed, which should not occur
(as far as I understand).

Can anyone explain what's going on here?

        <target name="ivy-mutability" depends="ivy-load-commonsettings">
                <property name="ivy.organisation" value=""/>
                <property name="ivy.module" value="mutant"/>
                <property name="ivy.revision" value="9.8"/>
                <property name="ivy.status" value="beta"/>

        <echo message="pre-info organization: ${ivy.organisation}"/>
        <echo message="pre-info module: ${ivy.module}" />
        <echo message="pre-info revision: ${ivy.revision}" />
        <echo message="pre-info status: ${ivy.status}" />

        <ivy:info settingsRef="module-settings"
                file="${module.output.subdir}/ivy.xml" />

        <echo message="post-info organization: ${ivy.organisation}" />
        <echo message="post-info module: ${ivy.module}" />
        <echo message="post-info revision: ${ivy.revision}" />
        <echo message="post-info status: ${ivy.status}" />

This is the output:
     [echo] pre-info organization:
     [echo] pre-info module: mutant
     [echo] pre-info revision: 9.8
     [echo] pre-info status: beta
 [ivy:info] :: Ivy 2.0.0-rc1 - 20080916082609 :: ::
:: loading settings :: file =
     [echo] post-info organization: com.mycompany.myorg
     [echo] post-info module: mymodule
     [echo] post-info revision: 3.0-dev1
     [echo] post-info status: integration

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