71 lines
2.1 KiB
Ruby
71 lines
2.1 KiB
Ruby
|
module Gem
|
||
|
|
class << self
|
||
|
|
|
||
|
|
##
|
||
|
|
# Returns a string representing that part or the directory tree that is
|
||
|
|
# common to all specified directories.
|
||
|
|
|
||
|
|
def common_path(dirs)
|
||
|
|
paths = dirs.collect {|dir| dir.split(File::SEPARATOR)}
|
||
|
|
uncommon_idx = paths.transpose.each_with_index.find {|dirnames, idx| dirnames.uniq.length > 1}.last
|
||
|
|
paths[0][0 ... uncommon_idx].join(File::SEPARATOR)
|
||
|
|
end
|
||
|
|
private :common_path
|
||
|
|
|
||
|
|
##
|
||
|
|
# Default gems locations allowed on FHS system (/usr, /usr/share).
|
||
|
|
# The locations are derived from directories specified during build
|
||
|
|
# configuration.
|
||
|
|
|
||
|
|
def default_locations
|
||
|
|
@default_locations ||= {
|
||
|
|
:system => common_path([ConfigMap[:vendorlibdir], ConfigMap[:vendorarchdir]]),
|
||
|
|
:local => common_path([ConfigMap[:sitelibdir], ConfigMap[:sitearchdir]])
|
||
|
|
}
|
||
|
|
end
|
||
|
|
|
||
|
|
##
|
||
|
|
# For each location provides set of directories for binaries (:bin_dir)
|
||
|
|
# platform independent (:gem_dir) and dependent (:ext_dir) files.
|
||
|
|
|
||
|
|
def default_dirs
|
||
|
|
@default_dirs ||= Hash[default_locations.collect do |destination, path|
|
||
|
|
[destination, {
|
||
|
|
:bin_dir => File.join(path, ConfigMap[:bindir].split(File::SEPARATOR).last),
|
||
|
|
:gem_dir => File.join(path, ConfigMap[:datadir].split(File::SEPARATOR).last, 'gems'),
|
||
|
|
:ext_dir => File.join(path, ConfigMap[:libdir].split(File::SEPARATOR).last, 'gems')
|
||
|
|
}]
|
||
|
|
end]
|
||
|
|
end
|
||
|
|
|
||
|
|
##
|
||
|
|
# RubyGems default overrides.
|
||
|
|
|
||
|
|
def default_dir
|
||
|
|
if Process.uid == 0
|
||
|
|
Gem.default_dirs[:local][:gem_dir]
|
||
|
|
else
|
||
|
|
Gem.user_dir
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
def default_path
|
||
|
|
path = default_dirs.collect {|location, paths| paths[:gem_dir]}
|
||
|
|
path.unshift Gem.user_dir if File.exist? Gem.user_home
|
||
|
|
end
|
||
|
|
|
||
|
|
def default_bindir
|
||
|
|
if Process.uid == 0
|
||
|
|
Gem.default_dirs[:local][:bin_dir]
|
||
|
|
else
|
||
|
|
File.join [Dir.home, 'bin']
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
def default_ext_dir_for base_dir
|
||
|
|
dirs = Gem.default_dirs.detect {|location, paths| paths[:gem_dir] == base_dir}
|
||
|
|
dirs && File.join(dirs.last[:ext_dir], 'exts')
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|