From: ara.t.howard@...
Date: 2006-02-14T12:23:30+09:00
Subject: Re: gem help

On Tue, 14 Feb 2006, Jim Weirich wrote:


i should have included to complete patched 'gem' script:

   #!/usr/bin/env ruby

     require 'rubygems'
     Gem.manage_gems

     required_version = Gem::Version::Requirement.new(">= 1.8.0")
     unless  required_version.satisfied_by?(Gem::Version.new(RUBY_VERSION))
       puts "Expected Ruby Version #{required_version}, was #{RUBY_VERSION}"
       exit(1)
     end

   # We need to preserve the original ARGV to use for passing gem options
   # to source gems.  If there is a -- in the line, strip all options after
   # it...its for the source building process.
     args = !ARGV.include?("--") ? ARGV.clone : ARGV[0...ARGV.index("--")]

   #
   # munge rbconfig from any command line or environment kv pair
   #
     kvs = []
     re = %r/^ \s* ([^=\s]+) \s* = \s* ([^\s]+) \s* $/x
     args.delete_if{|arg| (m = re.match(arg)) and (kvs << m.to_a.last(2))}
     ENV::each{|k,v| (k =~ %r/^GEM_/) and (kvs << [k.delete('GEM_'), v])}
     unless kvs.empty?
       require 'rbconfig'
       kvs.each{|k,v| Config::CONFIG[k] = v}
     end

     Gem::GemRunner.new.run(args)


not that env settings affect the install as well.  so one can do

   GEM_BINDIR=/usr/local/bin gem install somelib.gem

regards.

-a

-- 
judge your success by what you had to give up in order to get it.
- h.h. the 14th dali lama