AlkantarClanX12
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# frozen_string_literal: true
module Bundler
class Standalone
def initialize(groups, definition)
@specs = definition.specs_for(groups)
end
def generate
SharedHelpers.filesystem_access(bundler_path) do |p|
FileUtils.mkdir_p(p)
end
File.open File.join(bundler_path, "setup.rb"), "w" do |file|
file.puts "require 'rbconfig'"
file.puts "ruby_engine = RUBY_ENGINE"
file.puts "ruby_version = RbConfig::CONFIG[\"ruby_version\"]"
file.puts "path = File.expand_path('..', __FILE__)"
file.puts reverse_rubygems_kernel_mixin
paths.each do |path|
file.puts %($:.unshift File.expand_path("\#{path}/#{path}"))
end
end
end
private
def paths
@specs.map do |spec|
next if spec.name == "bundler"
Array(spec.require_paths).map do |path|
gem_path(path, spec).sub(version_dir, '#{ruby_engine}/#{ruby_version}')
# This is a static string intentionally. It's interpolated at a later time.
end
end.flatten
end
def version_dir
"#{Bundler::RubyVersion.system.engine}/#{RbConfig::CONFIG["ruby_version"]}"
end
def bundler_path
Bundler.root.join(Bundler.settings[:path], "bundler")
end
def gem_path(path, spec)
full_path = Pathname.new(path).absolute? ? path : File.join(spec.full_gem_path, path)
Pathname.new(full_path).relative_path_from(Bundler.root.join(bundler_path)).to_s
rescue TypeError
error_message = "#{spec.name} #{spec.version} has an invalid gemspec"
raise Gem::InvalidSpecificationException.new(error_message)
end
def reverse_rubygems_kernel_mixin
<<~END
kernel = (class << ::Kernel; self; end)
[kernel, ::Kernel].each do |k|
if k.private_method_defined?(:gem_original_require)
private_require = k.private_method_defined?(:require)
k.send(:remove_method, :require)
k.send(:define_method, :require, k.instance_method(:gem_original_require))
k.send(:private, :require) if private_require
end
end
END
end
end
end