instiki/vendor/plugins/bundler/gems/bundler-1.0.7/lib/bundler/settings.rb
2010-12-06 21:11:19 -06:00

117 lines
2.9 KiB
Ruby

module Bundler
class Settings
def initialize(root)
@root = root
@local_config = File.exist?(local_config_file) ? YAML.load_file(local_config_file) : {}
@global_config = File.exist?(global_config_file) ? YAML.load_file(global_config_file) : {}
end
def [](key)
key = key_for(key)
@local_config[key] || ENV[key] || @global_config[key]
end
def []=(key, value)
set_key(key, value, @local_config, local_config_file)
end
def delete(key)
@local_config
end
def set_global(key, value)
set_key(key, value, @global_config, global_config_file)
end
def all
env_keys = ENV.keys.select { |k| k =~ /BUNDLE_.*/ }
keys = @global_config.keys | @local_config.keys | env_keys
keys.map do |key|
key.sub(/^BUNDLE_/, '').gsub(/__/, ".").downcase
end
end
def locations(key)
locations = {}
locations[:local] = @local_config[key] if @local_config.key?(key)
locations[:env] = ENV[key] if ENV[key]
locations[:global] = @global_config[key] if @global_config.key?(key)
locations
end
def pretty_values_for(exposed_key)
key = key_for(exposed_key)
locations = []
if @local_config.key?(key)
locations << "Set for your local app (#{local_config_file}): #{@local_config[key].inspect}"
end
if value = ENV[key]
locations << "Set via #{key}: #{value.inspect}"
end
if @global_config.key?(key)
locations << "Set for the current user (#{global_config_file}): #{@global_config[key].inspect}"
end
return ["You have not configured a value for `#{exposed_key}`"] if locations.empty?
locations
end
def without=(array)
unless array.empty?
self[:without] = array.join(":")
end
end
def without
self[:without] ? self[:without].split(":").map { |w| w.to_sym } : []
end
# @local_config["BUNDLE_PATH"] should be prioritized over ENV["BUNDLE_PATH"]
def path
path = ENV[key_for(:path)] || @global_config[key_for(:path)]
return path if path && !@local_config.key?(key_for(:path))
if path = self[:path]
"#{path}/#{Bundler.ruby_scope}"
else
Gem.dir
end
end
def allow_sudo?
!@local_config.key?(key_for(:path))
end
private
def key_for(key)
key = key.to_s.sub(".", "__").upcase
"BUNDLE_#{key}"
end
def set_key(key, value, hash, file)
key = key_for(key)
unless hash[key] == value
hash[key] = value
hash.delete(key) if value.nil?
FileUtils.mkdir_p(file.dirname)
File.open(file, "w") { |f| f.puts hash.to_yaml }
end
value
end
def global_config_file
file = ENV["BUNDLE_CONFIG"] || File.join(Gem.user_home, ".bundle/config")
Pathname.new(file)
end
def local_config_file
Pathname.new("#{@root}/config")
end
end
end