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module Gem
@post_install_hooks ||= []
@post_uninstall_hooks ||= []
@pre_uninstall_hooks ||= []
@pre_install_hooks ||= []
##
# An Array of the default sources that come with RubyGems
def self.default_sources
%w[http://rubygems.org/]
end
##
# Default home directory path to be used if an alternate value is not
# specified in the environment
def self.default_dir
if defined? RUBY_FRAMEWORK_VERSION then
File.join File.dirname(ConfigMap[:sitedir]), 'Gems',
ConfigMap[:ruby_version]
elsif ConfigMap[:rubylibprefix] then
File.join(ConfigMap[:rubylibprefix], 'gems',
ConfigMap[:ruby_version])
else
File.join(ConfigMap[:libdir], ruby_engine, 'gems',
ConfigMap[:ruby_version])
end
end
##
# Path for gems in the user's home directory
def self.user_dir
File.join Gem.user_home, '.gem', ruby_engine, ConfigMap[:ruby_version]
end
##
# Default gem load path
def self.default_path
if File.exist? Gem.user_home then
[user_dir, default_dir]
else
[default_dir]
end
end
##
# Deduce Ruby's --program-prefix and --program-suffix from its install name
def self.default_exec_format
exec_format = ConfigMap[:ruby_install_name].sub('ruby', '%s') rescue '%s'
unless exec_format =~ /%s/ then
raise Gem::Exception,
"[BUG] invalid exec_format #{exec_format.inspect}, no %s"
end
exec_format
end
##
# The default directory for binaries
def self.default_bindir
if defined? RUBY_FRAMEWORK_VERSION then # mac framework support
'/usr/bin'
else # generic install
ConfigMap[:bindir]
end
end
##
# The default system-wide source info cache directory
def self.default_system_source_cache_dir
File.join Gem.dir, 'source_cache'
end
##
# The default user-specific source info cache directory
def self.default_user_source_cache_dir
File.join Gem.user_home, '.gem', 'source_cache'
end
##
# A wrapper around RUBY_ENGINE const that may not be defined
def self.ruby_engine
if defined? RUBY_ENGINE then
RUBY_ENGINE
else
'ruby'
end
end
end
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