Neat! I added this to our How-To section.
http://cwiki.apache.org/confluence/display/BUILDR/How+to+include+dependencies+in+.jar+packages
Thanks for sharing.
alex
On Fri, Nov 27, 2009 at 4:31 AM, Levin Alexander
<levin.alexan...@gmail.com>wrote:
> On Fri, Nov 27, 2009 at 9:44 AM, tommycli <tommy...@ucla.edu> wrote:
> >
> > I use buildr with the transitive compile.with artifact specifications.
> >
> > My problem is this: After buildr makes its package, I have a nice JAR
> file,
> > but I cannot run it without its dependency JARs.
> >
> > I don't even know which JARs it depends on. How do you find out which
> JARs
> > you need to distribute with your project? Can buildr package all of it
> into
> > one file?
>
> I am using autojar with builder to find and bundle dependencies to the Jar:
>
> def add_dependencies(pkg)
> tempfile = pkg.to_s.sub(/.jar$/, "-without-dependencies.jar")
> mv pkg.to_s, tempfile
>
> dependencies = compile.dependencies.map { |d| "-c #{d}"}.join(" ")
> sh "java -jar tools/autojar.jar -baev -o #{pkg} #{dependencies}
> #{tempfile}"
> end
>
> package(:jar).enhance { |pkg| pkg.enhance { |pkg| add_dependencies(pkg) }}
>
> <
> http://stackoverflow.com/questions/1279419/buildr-package-dependencies-into-a-single-jar/1285293#1285293
> >
>
> this is a hack and potentially has problems (it uses autojar's
> dependency resolution mechanism and therefore cannot find dynamically
> added dependencies) but for us it works quite well in practice.
>
> -Levin
>
