From kirill.ishanov at gmail.com  Mon Nov 26 04:31:55 2007
From: kirill.ishanov at gmail.com (Kirill Ishanov)
Date: Mon, 26 Nov 2007 12:31:55 +0300
Subject: [Raven-user] Error in converting .m2 repository mechanism
Message-ID: <50fa8a6a0711260131q7672547ev1b9b71c57088f62b@mail.gmail.com>

Hi there,

Today we tried to convert existing maven 2 repository and caught the
following error:

/home/kylichuku/lib/jruby-1.0.2/lib/ruby/gems/1.8/gems/raven-1.2.3/lib/raven/repo_builder.rb:195:in
`each': undefined method `[]' for nil:NilClass (NoMethodError)
        from /home/kylichuku/lib/jruby-1.0.2/lib/ruby/gems/1.8/gems/raven-
1.2.3/lib/raven/repo_builder.rb:258:in `dir_each'
        from /home/kylichuku/lib/jruby-1.0.2/lib/ruby/gems/1.8/gems/raven-
1.2.3/lib/raven/repo_builder.rb:189:in `foreach'
        from /home/kylichuku/lib/jruby-1.0.2/lib/ruby/gems/1.8/gems/raven-
1.2.3/lib/raven/repo_builder.rb:285:in `dir_each'
        from /home/kylichuku/lib/jruby-1.0.2/lib/ruby/gems/1.8/gems/raven-
1.2.3/lib/raven/repo_builder.rb:189:in `each'
        from /home/kylichuku/lib/jruby-1.0.2/lib/ruby/gems/1.8/gems/raven-
1.2.3/lib/raven/repo_builder.rb:258:in `run'
        from /home/kylichuku/lib/jruby-1.0.2/lib/ruby/gems/1.8/gems/raven-
1.2.3/lib/raven.rb:51:in `run'
        from /home/kylichuku/lib/jruby-1.0.2/lib/ruby/gems/1.8/gems/raven-
1.2.3/bin/raven:5
        from :1:in `load'

After adding verbose output to repo_builder (just printing c_path), and
found that it fails on paths like this:
/ch/ethz/ganymed/ganymed-ssh2/build210/ganymed-ssh2-build210.jar

Looks like the following regular expression doesn't match 'build210' version
number (cause it contains letters), so we've replaced
groupNArt = c_path[/^.*\/[0-9]/][1..-3]
with
groupNArt = c_path[/^.*\/(?=.*\/.*)/][1..-2]
it searches for the path with positive lookahead and can process such paths.

It was a quick and dirty hack, so I'm pretty sure that there is more
beautiful way to do this.

Regards, Kirill.
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