$ git clone git://github.com/hns/helma-ng.git
Initialized empty Git repository in helma-ng/.git/
remote: Counting objects: 4338, done.
remote: Compressing objects: 100% (1926/1926), done.
remote: Total 4338 (delta 2352), reused 3922 (delta 2086)
Receiving objects: 100% (4338/4338), 14.02 MiB | 315 KiB/s, done.
Resolving deltas: 100% (2352/2352), done.

$ cd helma-ng/
$ ant dpkg
Buildfile: build.xml
[...]
BUILD SUCCESSFUL
Total time: 3 seconds

$ sudo dpkg -i helma-ng_0.2.deb
Selecting previously deselected package helma-ng.
(Reading database ... 172025 files and directories currently installed.)
Unpacking helma-ng (from helma-ng_0.2.deb) ...
Setting up helma-ng (0.2-20081001) ...

$ helma
helma> 21 * 2
42
helma>
$