JRuby files should work with limited functionality within Jar files
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Key: JRUBY-1682
URL: http://jira.codehaus.org/browse/JRUBY-1682
Project: JRuby
Issue Type: Improvement
Components: Core Classes/Modules
Reporter: Ola Bini
I think it's starting to look likely that we should support more File
operations on files inside of Jar-files, especially when __FILE__ now sometimes
returns
file:/abc/foobar file paths. As things are currently, you can require explicit
files within a jar file:
{noformat}
require 'file:abc.jar!/foo.rb'
{noformat}
Will work, if abc.jar exists in the current directory, and foo.rb exists within
it. The problem is that it's not a general solution. Say that you have
ActiveSupport in a jar-file. At some point core_ext.rb will be required, and
the full code of that file is:
{noformat}
Dir[File.dirname(__FILE__) + "/core_ext/*.rb"].each { |file| require(file) }
{noformat}
In this case, nothing will happen, since __FILE__ is a "file:"-URL, and
Dir.glob doesn't know how to handle that correctly. File.exist?() will also
return bad results. So, the general solution seems to be to extend RubyFile and
RubyDir to give limited functionality for jarred files too. Not necessarily
anything else, but jar-files seems to be too important to not support at this
point.
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