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Subject: DO NOT REPLY [Bug 45135] New: Ant 1.
 7 a patternset reference cannot be redefined through itself
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Message-ID: <bug-45135-48744@https.issues.apache.org/bugzilla/>
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Date: Thu,  5 Jun 2008 03:39:58 -0700 (PDT)
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https://issues.apache.org/bugzilla/show_bug.cgi?id=45135

           Summary: Ant 1.7 a patternset reference cannot be redefined
                    through itself
           Product: Ant
           Version: 1.7.0
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Core
        AssignedTo: notifications@ant.apache.org
        ReportedBy: ivan.veselovsky@sun.com


regression against ant 1.6.5: a patternset cannot be redefined through itself.
the problem may be illustrated using the following sample:
----------------------------------
<?xml version="1.0" encoding="iso-8859-1"?>

<project name="Show Bug" default="all" basedir=".">

        <target name="all">
                <patternset id="x.id">
                        <include name="*.a"/>
                </patternset>

                <patternset id="x.id">
                        <patternset refid="x.id"/>
                        <include name="*.b"/>
                </patternset>


                <mkdir dir="target"/>
                <mkdir dir="src"/>

                <copy todir="target">
                        <fileset dir="src">
                                <patternset refid="x.id"/>
                        </fileset>
                </copy>
        </target>

</project>

----------------------------------

execute this sample with "-debug" key with ant 1.6.5 and 1.7.0:
the log line where the patternset is shown is:
----
Setup scanner in dir /tmp with patternSet{ includes: [*.b, *.a] excludes: [] }
----
for ant 1.6.5, and 
----
Setup scanner in dir /tmp with patternSet{ includes: [*.b] excludes: [] }
----

We can see that in 1.7.0 the previous content of the referred patternset is
lost. This is the problem.


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