rvm compatible editgem in textmate command

editgem.rb

#!/usr/bin/env ruby

editor = ENV['EDITOR'] || 'mate'

begin
  require 'highline/import'
rescue Exception
  puts "\e[33minstalling highline...(#{Process.pid})\e[0m"
  require 'rubygems/command.rb'
  require 'rubygems/dependency_installer.rb' 
  inst = Gem::DependencyInstaller.new
  inst.install('highline')
  pid = fork{exec"editgem #{ARGV.join(' ')}"}
  Process.wait(pid)
  exit
end

colors = HighLine::ColorScheme.new do |cs|
  cs[:list_item] = [:bold, :red]
end

HighLine.color_scheme = colors

gempaths = `rvm gempath`.chomp
gemname = "*#{ARGV.join('*')}*" if ARGV.count > 0

if gemname.nil?
  gemname = ask "<%= color('What gem do you want to edit? ', GREEN) %>"
end

gempaths.split(':').reverse.each do |raw_gempath|
  gempath = File.join(raw_gempath,'gems')
  say "<%= color('looking in ##{gempath} for #{gemname}...', BLACK) %>"
  matches = Dir.glob(File.join(gempath, gemname))
  if matches.length > 0
    if matches.length == 1
      exec "#{editor} #{matches.first}"
      exit
    else
      pretty_choices = []
      matches.each_with_index do |m, i|
        path,gemset = raw_gempath.split('@')
        out = "<%= color('#{i+1}. ', :list_item) %>"
        out += "<%= color('#{path}', BLACK) %>"
        out += "<%= color('@#{gemset}', RED) %>" if gemset
        out += "<%= color('/gems/', BLACK) %>"
        out += File.basename(m)
        pretty_choices << out
      end
      
      choose do |menu|
        menu.layout = <<-EOPROMPT
<%= color('Which gem do you want to edit:', GREEN) %>
#{pretty_choices.join("\n") }
EOPROMPT
        menu.choices(*matches) do |choice| 
          exec "#{editor} #{choice}"
          exit
        end
      end  
    end   
  end
end

say "<%= color('could not find a match for #{gemname} ', RED) %>"