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Posted to dev@ant.apache.org by bu...@apache.org on 2004/12/22 18:15:56 UTC
DO NOT REPLY [Bug 32804] New: - check version of Ant

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http://issues.apache.org/bugzilla/show_bug.cgi?id=32804

           Summary: check version of Ant
           Product: Ant
           Version: 1.6.2
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: enhancement
          Priority: P2
         Component: Core tasks
        AssignedTo: dev@ant.apache.org
        ReportedBy: tomasz.bech@bull.com.pl


It would be nice to have possibility to check version of Ant in build.xml script
(that is needed when there is uneducated customer which is ignoring requirements
of ant/java versions described in document - so we have to put 'fail' in ant
script to stop doing stupid thing by the customer)
Currently there are used too tricks (what I found):
- based on checking if pointed class exists (like MacroDef from 1.6);
- using contains + ${ant.version}
But both have cause (or can) some problems, for example class can be moved in
future versions.
Below is small proposal of checkVersion task:
<checkVersion name="ant.version.number" value="- + = += -=(means less greater
equal, greater equal) version here, i.e. +=1.6.1" property="property name to set
when condition not met"/>

Idea is that it can be used for any version checking which follows standard
pattern: number.number.number. Additional needed extension is
'ant.version.number' which returns just the number.

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