Hello Guys,

After the release of RC1 of RubyInstaller, I'm auditing several
projects and latest commits to avoid errors across platforms

This is the time for RubyGems:

http://gist.github.com/232433

>From both 1.8 and 1.9 versions, seems the only issue is related to
env_shebang and shebang itself:

  5) Failure:
test_shebang_env_shebang(TestGemInstaller) [./test/test_gem_installer.rb:786]:
Expected "#!/usr/bin/env ruby", not "#! ruby".

Taking a look to the code around the setter for the shebang:

    else
      # Create a plain shebang line.
      @env_path ||= ENV_PATHS.find {|env_path| File.executable? env_path }
      "#...@env_path} #{ruby_name}"
    end

Seems that is evaluating, from a list of possible candidates which is
executable.

The candidates are:

['/usr/bin/env', '/bin/env']

None of these exist on Windows.

According to the revision history, those got introduced in revision 2221

------------------------------------------------------------------------
r2221 | drbrain | 2009-06-03 20:39:32 -0300 (mié, 03 jun 2009) | 1 line

Various patches from Ruby trunk
------------------------------------------------------------------------

Seems that the test itself is pretty brittle, and will only work on a
OS that contains /usr/bin/env, and not the second option.

In that case, will be correct adjust the shebang to be compared
dependently of the OS?

shebang = windows? ? '#!' : '#!/usr/bin/env'

?

Thanks in advance for the feedback.

-- 
Luis Lavena
AREA 17
-
Perfection in design is achieved not when there is nothing more to add,
but rather when there is nothing more to take away.
Antoine de Saint-Exupéry
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