Andrew January created IVY-1532:
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Summary: 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
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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