Hi, all.
My jar target is starting to look combinatoric because I cannot see how
to include an element selectively. For example, I only want to specify
a manifest if a main class if one is provided, and not otherwise. Right
now, it looks like:
<target name="jar-manifest" if="jar.main-class">
<jar
jarfile="${jar.dist}/${jar.baseName}-${DSTAMP}.jar"
basedir="${compile.classes}"
<manifest>
<attribute name="Main-Class" value="${jar.main-class}"/>
</manifest>
</jar>
</target>
<target name="jar-no-manifest" unless="jar.main-class">
<jar
jarfile="${jar.dist}/${jar.baseName}-${DSTAMP}.jar"
basedir="${compile.classes}"
/>
</target>
<target name="jar" depends="jar-manifest, jar-no-manifest"
description="Build jar" />
I do not mind this structure for a single property, but now I want to
add in file and zip includes, and those may need the same "only if the
property has a value" structure.
Is there a way to do:
<target name="jar">
<jar
jarfile="${jar.dist}/${jar.baseName}-${DSTAMP}.jar"
basedir="${compile.classes}"
<manifest if="jar.main-class">
<attribute name="Main-Class" value="${jar.main-class}"/>
</manifest>
</jar>
</target>
or
<manifest>
<attribute name="Main-Class" value="${jar.main-class}"
if="main.class"/>
</manifest>
Were that latter possible, I could then do something like
<manifest>
<attribute name="Main-Class" value="${jar.main-class}"
if="main.class"/>
<attribute name="Build-Date" value="tstamp" />
<attribute name="Build-Number" value="${build.number}"
if="build.number"/>
</manifest>
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