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# Allows for declaring a Gemfile inline in a ruby script, optionally installing
# any gems that aren't already installed on the user's system.
#
# @note Every gem that is specified in this 'Gemfile' will be `require`d, as if
# the user had manually called `Bundler.require`. To avoid a requested gem
# being automatically required, add the `:require => false` option to the
# `gem` dependency declaration.
#
# @param install [Boolean] whether gems that aren't already installed on the
# user's system should be installed.
# Defaults to `false`.
#
# @param gemfile [Proc] a block that is evaluated as a `Gemfile`.
#
# @example Using an inline Gemfile
#
# #!/usr/bin/env ruby
#
# require 'bundler/inline'
#
# gemfile do
# source 'https://rubygems.org'
# gem 'json', require: false
# gem 'nap', require: 'rest'
# gem 'cocoapods', '~> 0.34.1'
# end
#
# puts Pod::VERSION # => "0.34.4"
#
def gemfile(install = false, &gemfile)
require "bundler"
old_root = Bundler.method(:root)
def Bundler.root
Bundler::SharedHelpers.pwd.expand_path
end
ENV["BUNDLE_GEMFILE"] ||= "Gemfile"
builder = Bundler::Dsl.new
builder.instance_eval(&gemfile)
definition = builder.to_definition(nil, true)
def definition.lock(*); end
definition.validate_ruby!
if install
Bundler.ui = Bundler::UI::Shell.new
Bundler::Installer.install(Bundler.root, definition, :system => true)
Bundler::Installer.post_install_messages.each do |name, message|
Bundler.ui.info "Post-install message from #{name}:\n#{message}"
end
end
runtime = Bundler::Runtime.new(nil, definition)
runtime.setup.require
bundler_module = class << Bundler; self; end
bundler_module.send(:define_method, :root, old_root)
end
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