Project

General

Profile

Download (1.61 KB)

Feature #3465 » prelude_bin_path.rb

rogerdpack (Roger Pack), 06/23/2010 12:32 AM

 
module Gem

module QuickLoader
def bin_path(gem_name, exec_name = null, *version_requirements)
unless GemPaths.has_key?(gem_name) then
raise Gem::LoadError, "Could not find RubyGem #{gem_name} (>= 0)\n"
end

version_match = false
if version_requirements.empty?
version_match = true
else
if version_requirements.length > 1 then
version_match = false
else

requirement, version = version_requirements[0].split
requirement.strip!

if loaded_version = GemVersions[gem_name] then
case requirement
when ">", ">=" then
if (loaded_version <=> Gem.integers_for(version)) >= 0
version_match = true
end
when "~>" then
required_version = Gem.integers_for version

if loaded_version.first == required_version.first
version_match = true
end
end
end
end
end

if version_match && exec_name
full_path = GemPaths[gem_name] + '/bin/' + exec_name
if File.exist? full_path
return full_path
end
end
QuickLoader.load_full_rubygems_library
bin_path(gem_name, exec_name, *version_requirements)
end

# 1.9.1 doesn't have this...
def integers_for(gem_version)
numbers = gem_version.split(".").collect {|n| n.to_i}
numbers.pop while numbers.last == 0
numbers << 0 if numbers.empty?
numbers
end
end
extend QuickLoader

end
(1-1/2)