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$NetBSD: patch-ad,v 1.2 2008/03/31 15:40:43 jlam Exp $
--- lib/rubygems/installer.rb.orig 2008-03-28 21:10:33.000000000 -0400
+++ lib/rubygems/installer.rb
@@ -51,6 +51,9 @@ class Gem::Installer
# for a signed-gems-only policy.
# :ignore_dependencies:: Don't raise if a dependency is missing.
# :install_dir:: The directory to install the gem into.
+ # :install_root:: The directory to use as a buildroot for "destdir"-style
+ # installation. All paths during installation are relative
+ # to the buildroot.
# :format_executable:: Format the executable the same as the ruby executable.
# If your ruby is ruby18, foo_exec will be installed as
# foo_exec18.
@@ -62,6 +65,7 @@ class Gem::Installer
options = {
:force => false,
:install_dir => Gem.dir,
+ :install_root => nil,
:exec_format => false,
:env_shebang => false,
:bin_dir => nil
@@ -70,12 +74,17 @@ class Gem::Installer
@env_shebang = options[:env_shebang]
@force = options[:force]
gem_home = options[:install_dir]
- @gem_home = Pathname.new(gem_home).expand_path
+ @gem_home = File.expand_path gem_home
@ignore_dependencies = options[:ignore_dependencies]
@format_executable = options[:format_executable]
@security_policy = options[:security_policy]
@wrappers = options[:wrappers]
@bin_dir = options[:bin_dir]
+ install_root = options[:install_root]
+ unless install_root.nil? or install_root == ""
+ @install_root = File.expand_path install_root
+ @gem_home = File.join(@install_root, @gem_home)
+ end
begin
@format = Gem::Format.from_file_by_path @gem, @security_policy
@@ -227,7 +236,11 @@ class Gem::Installer
# If the user has asked for the gem to be installed in a directory that is
# the system gem directory, then use the system bin directory, else create
# (or use) a new bin dir under the gem_home.
- bindir = @bin_dir ? @bin_dir : (Gem.bindir @gem_home)
+ bindir = @bin_dir ? @bin_dir : (Gem.bindir @gem_home, @install_root)
+
+ unless @install_root.nil? or @install_root == ""
+ bindir = File.join(@install_root, bindir)
+ end
Dir.mkdir bindir unless File.exist? bindir
raise Gem::FilePermissionError.new(bindir) unless File.writable? bindir
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