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https://issues.apache.org/jira/browse/IVY-1532?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew January updated IVY-1532:
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Attachment: patternmatcherargs.zip
> Ant properties override version pattern matcher arguments
> ---------------------------------------------------------
>
> Key: IVY-1532
> URL: https://issues.apache.org/jira/browse/IVY-1532
> Project: Ivy
> Issue Type: Bug
> Affects Versions: 2.4.0
> Reporter: Andrew January
> Priority: Minor
> Attachments: patternmatcherargs.zip
>
>
> The arguments for a pattern version matcher don't override existing
> properties; if an existing ant property exists that will be used in favour of
> the pattern argument.
> This can be confusing because the natural names for matcher arguments tend to
> be generic (e.g. "version") which are also likely to be ant properties. This
> is compounded by the fact the eclipse plugin won't have the same set of
> properties, so will work in the IDE while the ant build will fail.
> In rare cases, if the ant property happens to match a valid revision, it will
> pick up the wrong revision instead of failing to resolve.
> {{ivysettings.xml}}
> {code:xml}<version-matchers>
> <pattern-vm name="test-version">
> <match revision="test-version" pattern="${version}" args="version"
> matcher="exact" />
> </pattern-vm>
> </version-matchers>{code}
> {{ivy.xml}}
> {code:xml}<dependency org="org.apache.ivy" name="ivy"
> rev="test-version(2.4.0)" />{code}
> {{build.xml}}
> {code:xml}<target name="fails-to-resolve" depends="init" description="This
> fails to resolve anything because it can't find the revision 'IDONTEXIST'">
> <ivy:settings file="ivysettings.xml" />
> <property name="version" value="IDONTEXIST" />
> <ivy:resolve refresh="true" />
> </target>{code}
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