> I found all of these need intervention for building, as there is no
> "install" target (maybe I missed something). Echo of the packages
> behaves a bit different (e.g. different directory names), while
> sharing some common patterns. I'll attach my WIP for your convenience.

“ant-build-system” creates a “build.xml” with an install target when
“#:jar-name” is provided.  This is useful in case there’s only a
“pom.xml” and the package provides a single jar.