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From Roy Tinker <roytin...@gmail.com>
Subject Package Buildr gem as a jar file
Date Wed, 11 Mar 2009 02:49:13 GMT
Hello,

I am looking to find a way to package Buildr as a single Jar file, to be run
alongside the jruby-complete-1.2.0RC2.jar file. Our current system (running
on Ant -- I'm trying to move to Buildr) downloads the executables (Jar and
Ant-XML) from source control and runs them on the JVM on a local machine
(which could be anywhere in the company). You can imagine how inconvenient
it would be to store all of 100 or more files associated with Buildr in
source control. It would be so much easier to have it all located inside a
single Jar file.

Nick Sieger has found a way of packaging gems as jars for JRuby -- see
http://blog.nicksieger.com/articles/2009/01/10/jruby-1-1-6-gems-in-a-jar

Has anyone done this before? -- or, does anyone have an idea of where I can
start?

Here's what I have tried so far (with help from Nick's blog post) -- this is
a transcript of my session.

F:\jruby>java -jar jruby-complete-1.2.0RC2.jar -S gem list
>
> *** LOCAL GEMS ***
>
> rake (0.8.4)
> rspec (1.1.12)
> sources (0.0.1)
>
> F:\jruby>java -jar jruby-complete-1.2.0RC2.jar -S gem install -i ./buildr
> buildr --no-rdoc --no-ri
> JRuby limited openssl loaded. gem install jruby-openssl for full support.
> http://wiki.jruby.org/wiki/JRuby_Builtin_OpenSSL
> Successfully installed rake-0.8.1
> Successfully installed builder-2.1.2
> Successfully installed net-ssh-2.0.4
> Successfully installed net-sftp-2.0.1
> Successfully installed rubyzip-0.9.1
> Successfully installed highline-1.4.0
> Successfully installed rubyforge-1.0.0
> Successfully installed hoe-1.7.0
> Successfully installed Antwrap-0.7.0-java
> Successfully installed rspec-1.1.5
> Successfully installed xml-simple-1.0.11
> Successfully installed archive-tar-minitar-0.5.2
> Successfully installed jruby-openssl-0.2
> Successfully installed buildr-1.3.3-java
> 14 gems installed
>
> F:\jruby>jar cf buildr-gem.jar -C buildr .
>
> F:\jruby>dir
> Volume in drive F is DATA
> Volume Serial Number is ____-____
>
> Directory of F:\jruby
>
> 03/10/2009  07:41 PM    <DIR>          .
> 03/10/2009  07:41 PM    <DIR>          ..
> 03/06/2009  10:33 PM               279 build.rb
> 03/10/2009  07:40 PM    <DIR>          buildr
> *03/10/2009  07:42 PM         7,545,144 buildr-gem.jar*
> 03/09/2009  10:42 AM        10,279,665 jruby-complete-1.2.0RC2.jar
>               3 File(s)     17,825,088 bytes
>               3 Dir(s)  156,998,463,488 bytes free
>
> F:\jruby>java -jar jruby-complete-1.2.0RC2.jar -rbuildr-gem.jar -S gem list
>
> *** LOCAL GEMS ***
>
> Antwrap (0.7.0)
> archive-tar-minitar (0.5.2)
> builder (2.1.2)
> buildr (1.3.3)
> highline (1.4.0)
> hoe (1.7.0)
> jruby-openssl (0.2)
> net-sftp (2.0.1)
> net-ssh (2.0.4)
> rake (0.8.4, 0.8.1)
> rspec (1.1.12, 1.1.5)
> rubyforge (1.0.0)
> rubyzip (0.9.1)
> sources (0.0.1)
> xml-simple (1.0.11)
>
> F:\jruby>java -jar jruby-complete-1.2.0RC2.jar -rbuildr-gem.jar -S buildr
> jruby: No such file, directory, or command -- buildr
>
> F:\jruby>java -jar jruby-complete-1.2.0RC2.jar -rbuildr-gem.jar build.rb
> build.rb:3:in `require': no such file to load -- buildr (LoadError)
>        from build.rb:3
>
> F:\jruby>java -jar jruby-complete-1.2.0RC2.jar -rbuildr-gem.jar -S irb
> irb(main):002:0> require 'rubygems'
> => true
> irb(main):003:0> require 'buildr'
> LoadError: no such file to load -- buildr
>        from
> file:/F:/jruby/jruby-complete-1.2.0RC2.jar!/META-INF/jruby.home/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:
> in `require'
>        from
> file:/F:/jruby/jruby-complete-1.2.0RC2.jar!/META-INF/jruby.home/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:
> in `require'
>        from (irb):4
>


Thanks,
Roy

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