# E.g. for '/usr/share/ruby', 'ruby', it returns '/usr'
def previous_but_one_dir_to(path, dir)
+ return unless path
+
split_path = path.split(File::SEPARATOR)
File.join(split_path.take_while { |one_dir| one_dir !~ /^#{dir}$/ }[0..-2])
end
private :previous_but_one_dir_to
+ ##
+ # Detects --install-dir option specified on command line.
+
+ def opt_install_dir?
+ @opt_install_dir ||= ARGV.include?('--install-dir') || ARGV.include?('-i')
+ end
+ private :opt_install_dir?
+
+ ##
+ # Detects --build-root option specified on command line.
+
+ def opt_build_root?
+ @opt_build_root ||= ARGV.include?('--build-root')
+ end
+ private :opt_build_root?
+
+ ##
+ # Tries to detect, if arguments and environment variables suggest that
+ # 'gem install' is executed from rpmbuild.
+
+ def rpmbuild?
+ @rpmbuild ||= ENV['RPM_PACKAGE_NAME'] && (opt_install_dir? || opt_build_root?)
+ end
+ private :rpmbuild?
+
##
# Default gems locations allowed on FHS system (/usr, /usr/share).
# The locations are derived from directories specified during build
def default_locations
@default_locations ||= {
- :system => previous_but_one_dir_to(ConfigMap[:vendordir], ConfigMap[:RUBY_INSTALL_NAME]),
- :local => previous_but_one_dir_to(ConfigMap[:sitedir], ConfigMap[:RUBY_INSTALL_NAME])
+ :system => previous_but_one_dir_to(RbConfig::CONFIG['vendordir'], RbConfig::CONFIG['RUBY_INSTALL_NAME']),
+ :local => previous_but_one_dir_to(RbConfig::CONFIG['sitedir'], RbConfig::CONFIG['RUBY_INSTALL_NAME'])
}
end
def default_dirs
@libdir ||= case RUBY_PLATFORM
when 'java'
- ConfigMap[:datadir]
+ RbConfig::CONFIG['datadir']
else
- ConfigMap[:libdir]
+ RbConfig::CONFIG['libdir']
end
- @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, @libdir.split(File::SEPARATOR).last, 'gems')
- }]
- end]
+ @default_dirs ||= default_locations.inject(Hash.new) do |hash, location|
+ destination, path = location
+
+ hash[destination] = if path
+ {
+ :bin_dir => File.join(path, RbConfig::CONFIG['bindir'].split(File::SEPARATOR).last),
+ :gem_dir => File.join(path, RbConfig::CONFIG['datadir'].split(File::SEPARATOR).last, 'gems'),
+ :ext_dir => File.join(path, @libdir.split(File::SEPARATOR).last, 'gems')
+ }
+ else
+ {
+ :bin_dir => '',
+ :gem_dir => '',
+ :ext_dir => ''
+ }
+ end
+
+ hash
+ end
end
##
# RubyGems default overrides.
def default_dir
- if Process.uid == 0
+ if opt_build_root?
+ Gem.default_dirs[:system][:gem_dir]
+ elsif Process.uid == 0
Gem.default_dirs[:local][:gem_dir]
else
Gem.user_dir
end
def default_bindir
- if Process.uid == 0
+ if opt_build_root?
+ Gem.default_dirs[:system][:bin_dir]
+ elsif Process.uid == 0
Gem.default_dirs[:local][:bin_dir]
else
File.join [Dir.home, 'bin']
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], RbConfig::CONFIG['RUBY_INSTALL_NAME'])
+ dir = if rpmbuild?
+ build_dir = base_dir.chomp Gem.default_dirs[:system][:gem_dir]
+ if build_dir != base_dir
+ File.join build_dir, Gem.default_dirs[:system][:ext_dir]
+ end
+ else
+ dirs = Gem.default_dirs.detect {|location, paths| paths[:gem_dir] == base_dir}
+ dirs && dirs.last[:ext_dir]
+ end
+ dir && File.join(dir, RbConfig::CONFIG['RUBY_INSTALL_NAME'])
+ end
+
+ # This method should be available since RubyGems 2.2 until RubyGems 3.0.
+ # https://github.com/rubygems/rubygems/issues/749
+ if method_defined? :install_extension_in_lib
+ remove_method :install_extension_in_lib
+
+ def install_extension_in_lib
+ false
+ end
end
end
end