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require "digest/sha1"
module Bundler
class Runtime < Environment
include SharedHelpers
def initialize(*)
super
write_rb_lock if locked? && !defined?(Bundler::ENV_LOADED)
end
def setup(*groups)
# Has to happen first
clean_load_path
specs = groups.any? ? specs_for(groups) : requested_specs
cripple_rubygems(specs)
replace_rubygems_paths
# Activate the specs
specs.each do |spec|
unless spec.loaded_from
raise GemNotFound, "#{spec.full_name} is cached, but not installed."
end
Gem.loaded_specs[spec.name] = spec
spec.load_paths.each do |path|
$LOAD_PATH.unshift(path) unless $LOAD_PATH.include?(path)
end
end
self
end
def require(*groups)
groups.map! { |g| g.to_sym }
groups = [:default] if groups.empty?
autorequires = autorequires_for_groups(*groups)
groups.each do |group|
(autorequires[group] || [[]]).each do |path, explicit|
if explicit
Kernel.require(path)
else
begin
Kernel.require(path)
rescue LoadError
end
end
end
end
end
def dependencies
@definition.dependencies
end
def actual_dependencies
@definition.actual_dependencies
end
def lock
sources.each { |s| s.lock if s.respond_to?(:lock) }
FileUtils.mkdir_p("#{root}/.bundle")
write_yml_lock
write_rb_lock
end
def dependencies_for(*groups)
if groups.empty?
dependencies
else
dependencies.select { |d| (groups & d.groups).any? }
end
end
alias gems specs
def cache
FileUtils.mkdir_p(cache_path)
Bundler.ui.info "Copying .gem files into vendor/cache"
specs.each do |spec|
next unless spec.source.is_a?(Source::SystemGems) || spec.source.is_a?(Source::Rubygems)
possibilities = Gem.path.map { |p| "#{p.to_s}/cache/#{spec.full_name}.gem" }
cached_path = possibilities.find { |p| File.exist? p }
raise GemNotFound, "Missing gem file '#{spec.full_name}.gem'." unless cached_path
Bundler.ui.info " * #{File.basename(cached_path)}"
next if File.expand_path(File.dirname(cached_path)) == File.expand_path(cache_path)
FileUtils.cp(cached_path, cache_path)
end
end
def prune_cache
FileUtils.mkdir_p(cache_path)
Bundler.ui.info "Removing outdated .gem files from vendor/cache"
Pathname.glob(cache_path.join("*.gem").to_s).each do |gem_path|
cached_spec = Gem::Format.from_file_by_path(gem_path.to_s).spec
next unless Gem::Platform.match(cached_spec.platform)
unless specs.any?{|s| s.full_name == cached_spec.full_name }
Bundler.ui.info " * #{File.basename(gem_path.to_s)}"
gem_path.rmtree
end
end
end
private
def load_paths
specs.map { |s| s.load_paths }.flatten
end
def cache_path
root.join("vendor/cache")
end
def write_yml_lock
yml = details.to_yaml
File.open("#{root}/Gemfile.lock", 'w') do |f|
f.puts yml
end
end
def details
details = {}
details["hash"] = gemfile_fingerprint
details["sources"] = sources.map { |s| { s.class.name.split("::").last => s.options} }
details["specs"] = specs.map do |s|
options = {"version" => s.version.to_s}
options["source"] = sources.index(s.source) if sources.include?(s.source)
{ s.name => options }
end
details["dependencies"] = @definition.dependencies.inject({}) do |h,d|
info = {"version" => d.requirement.to_s, "group" => d.groups}
info.merge!("require" => d.autorequire) if d.autorequire
h.merge(d.name => info)
end
details
end
def replace_rubygems_paths
Gem.instance_eval do
def path
[Bundler.bundle_path.to_s]
end
def source_index
@source_index ||= Gem::SourceIndex.from_installed_gems
end
end
end
end
end
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