DO NOT REPLY [Bug 32597] New: - modified selector attribute "update=fase" doesn't work

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http://issues.apache.org/bugzilla/show_bug.cgi?id=32597

           Summary: modified selector attribute "update=fase" doesn't work
           Product: Ant
           Version: 1.6.2
          Platform: PC
        OS/Version: Windows XP
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Core tasks
        AssignedTo: dev@ant.apache.org
        ReportedBy: e17x-o9j5@spamex.com


I have a target for copying updated javascript and jsp files
from my workspace to my server deployment location.
Since I run ant with -quiet inside IDEA Intellji Java IDE,
I do not see any output from copy task  even though I have verbose
set.
To get around that before I do the copy, I print out the
modified filesets.  Here I used the update="false" attribute
which is supposed to not update the cache, so that I can check
modified again in the copy task.  According to ant documentation
update attribute means "Should the cache be updated when values differ?".
Well, when I tried this, my <echo> taks will print out the file that
was changed, but the copy task does nothing.  If I remove my echo
tasks between the debugging comments, then the copy taks does copy the
files I have changed.

Could you please clarify what "update=false" is supposed to do? Am
I misunderstanding this or is it a bug?
Thanks,
-Alex

  <target name="copy_changed_web_resources" depends="init">
        <!--begin debugging-->
        <!--the update="false" doesn't seem to work -->
        <fileset id="scripts" dir="${TOP}/web/html/scripts">
            <type type="file"/>
            <modified update="false"/>
        </fileset>
        <property name="scripts_p" refid="scripts"/>
        <echo>scripts = ${scripts_p}</echo>
        <fileset id="jsp" dir="${TOP}/web/html/jsp">
            <type type="file"/>
            <modified update="false"/>
        </fileset>
        <property name="jsp_p" refid="jsp"/>
        <echo>jsp = ${jsp_p}</echo>
        <!--end debugging-->

        <copy todir="${WEB_DEPLOYED_ROOT}/scripts" preservelastmodified="true"
verbose="true">
            <fileset dir="${TOP}/web/html/scripts">
                <type type="file"/>
                <modified/>
            </fileset>
        </copy>
        <copy todir="${WEB_DEPLOYED_ROOT}/jsp"  preservelastmodified="true"
verbose="true">
            <fileset dir="${TOP}/web/html/jsp">
                <type type="file"/>
                <modified/>
            </fileset>
        </copy>
    </target>

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