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From "Xavier Hanin (JIRA)" <j...@apache.org>
Subject [jira] Created: (IVY-871) test and document PatternVersionMatcher
Date Mon, 04 Aug 2008 20:22:46 GMT
test and document PatternVersionMatcher
---------------------------------------

                 Key: IVY-871
                 URL: https://issues.apache.org/jira/browse/IVY-871
             Project: Ivy
          Issue Type: Improvement
          Components: Core
            Reporter: Xavier Hanin


There is a powerful version matcher in Ivy code base called PatternVersionMatcher. Unfortunately,
this matcher is not documented, not tested, and not declared in the default typedef.properties.
Nobody remembers where it comes from, but code analysis should be enough to understand how
it works and what it can achieve.

Here's what I understand from a quick analysis:
{code:title=settings.xml}
<pattern-vm>
  <match revision="micro" pattern="${major}\.${minor}\.\d+" args="major, minor" matcher="regexp"
/>
</pattern-vm>
{code}

{code:title=ivy.xml}
<dependency org="acme" name="foo" rev="micro(1, 3)" />
{code}

If I understand correctly the code, this will match any revision like 1.3.<any number>.

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