I am attempting to <jar> a subset of directories under a common root
with the target below. The problem is that it throws a failure
exception if the "dir" does not exist for one of the specified
<zipfileset>s. It would be nice if the <jar>'s (via <zip>) whenempty
attribute would preempt <fileset>'s desire to ensure that "dir" exists.
In any case, does anyone have a straightforward suggestion for how to
accomplish this?
Thanks, Mike
<target name="cfg_jar" depends="mdata,rbinfo,sql">
<mkdir dir="${distdir}/lib"/>
<jar destfile="${distdir}/lib/${base_unit}_cfg.jar">
<zipfileset dir="${srcdir}/${pkg1dir}"
prefix="${srcbase}/${pkg1dir}">
<patternset refid="mdata.pattern"/>
<patternset refid="rbinfo.pattern"/>
</zipfileset>
<zipfileset dir="${sqldir}/${pkg1dir}"
prefix="${sqlbase}/${pkg1dir}">
<patternset refid="sql.pattern"/>
</zipfileset>
<zipfileset dir="${srcdir}/${pkg2dir}"
prefix="${srcbase}/${pkg2dir}">
<patternset refid="mdata.pattern"/>
<patternset refid="rbinfo.pattern"/>
</zipfileset>
<zipfileset dir="${sqldir}/${pkg2dir}"
prefix="${sqlbase}/${pkg2dir}">
<patternset refid="sql.pattern"/>
</zipfileset>
<zipfileset dir="${srcdir}/${pkg3dir}"
prefix="${srcbase}/${pkg3dir}">
<patternset refid="mdata.pattern"/>
<patternset refid="rbinfo.pattern"/>
</zipfileset>
</jar>
</target>
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