[vagrant] Include monkey-patching for RubyGems and Bundler for now.

[Vít Ondruch]

commit c11853ff6f2fc97032b14f9df78588a0fa9eee41
Author: Vít Ondruch <vondruch at redhat.com>
Date:   Wed Nov 26 11:58:44 2014 +0100

    Include monkey-patching for RubyGems and Bundler for now.

 patches.rb   |  114 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 vagrant.spec |   14 +++++++-
 2 files changed, 127 insertions(+), 1 deletions(-)
---
diff --git a/patches.rb b/patches.rb
new file mode 100644
index 0000000..7fd8972
--- /dev/null
+++ b/patches.rb
@@ -0,0 +1,114 @@
+# Monkey-patching for RubyGems and Bundler to play nicely with Vagrant
+
+# Don't touch the binary when not needed.
+# https://github.com/rubygems/rubygems/pull/1057
+class Gem::Installer
+  def generate_bin # :nodoc:
+    return if spec.executables.nil? or spec.executables.empty?
+
+    Dir.mkdir @bin_dir unless File.exist? @bin_dir
+    raise Gem::FilePermissionError.new(@bin_dir) unless File.writable? @bin_dir
+
+    spec.executables.each do |filename|
+      filename.untaint
+      bin_path = File.join gem_dir, spec.bindir, filename
+
+      unless File.exist? bin_path then
+        # TODO change this to a more useful warning
+        warn "#{bin_path} maybe `gem pristine #{spec.name}` will fix it?"
+        next
+      end
+
+      mode = File.stat(bin_path).mode
+      FileUtils.chmod mode | 0111, bin_path unless (mode | 0111) == mode
+
+      check_executable_overwrite filename
+
+      if @wrappers then
+        generate_bin_script filename, @bin_dir
+      else
+        generate_bin_symlink filename, @bin_dir
+      end
+
+    end
+  end
+end
+
+# Fix rubygems 2.2 compatibility
+# https://github.com/bundler/bundler/pull/3237
+module Bundler
+  module SharedHelpers
+    private
+    def clean_load_path
+      # handle 1.9 where system gems are always on the load path
+      if defined?(::Gem)
+        me = File.expand_path("../../", __FILE__)
+
+        # RubyGems 2.2+ can put binary extension into dedicated folders,
+        # therefore use RubyGems facilities to obtain their load paths.
+        if Gem::Specification.method_defined? :full_require_paths
+          loaded_gem_paths = Gem.loaded_specs.map do |n, s|
+            s.full_require_paths.none? {|path| File.expand_path(path) =~ /^#{Regexp.escape(me)}/} ? s.full_require_paths : []
+          end
+          loaded_gem_paths.flatten!
+
+          $LOAD_PATH.reject! {|p| loaded_gem_paths.delete(p) }
+        else
+          $LOAD_PATH.reject! do |p|
+            next if File.expand_path(p) =~ /^#{Regexp.escape(me)}/
+            p != File.dirname(__FILE__) &&
+              Bundler.rubygems.gem_path.any?{|gp| p =~ /^#{Regexp.escape(gp)}/ }
+          end
+        end
+        $LOAD_PATH.uniq!
+      end
+    end
+  end
+end
+
+# Remove useless gem build step.
+# https://github.com/bundler/bundler/pull/3238
+module Bundler
+  class Source
+
+    class Path < Source
+
+      private
+      def generate_bin(spec, disable_extensions = false)
+        gem_dir  = Pathname.new(spec.full_gem_path)
+
+        # Some gem authors put absolute paths in their gemspec
+        # and we have to save them from themselves
+        spec.files = spec.files.map do |p|
+          next if File.directory?(p)
+          begin
+            Pathname.new(p).relative_path_from(gem_dir).to_s
+          rescue ArgumentError
+            p
+          end
+        end.compact
+
+        SharedHelpers.chdir(gem_dir) do
+          installer = Path::Installer.new(spec, :env_shebang => false)
+          run_hooks(:pre_install, installer)
+          installer.build_extensions unless disable_extensions
+          run_hooks(:post_build, installer)
+          installer.generate_bin
+          run_hooks(:post_install, installer)
+        end
+      rescue Gem::InvalidSpecificationException => e
+        Bundler.ui.warn "\n#{spec.name} at #{spec.full_gem_path} did not have a valid gemspec.\n" \
+                        "This prevents bundler from installing bins or native extensions, but " \
+                        "that may not affect its functionality."
+
+        if !spec.extensions.empty? && !spec.email.empty?
+          Bundler.ui.warn "If you need to use this package without installing it from a gem " \
+                          "repository, please contact #{spec.email} and ask them " \
+                          "to modify their .gemspec so it can work with `gem build`."
+        end
+
+        Bundler.ui.warn "The validation message from Rubygems was:\n  #{e.message}"
+      end
+    end
+  end
+end
diff --git a/vagrant.spec b/vagrant.spec
index 7c233a5..9480802 100644
--- a/vagrant.spec
+++ b/vagrant.spec
@@ -6,7 +6,7 @@
 
 Name: vagrant
 Version: 1.6.5
-Release: 11%{?dist}
+Release: 12%{?dist}
 Summary: Build and distribute virtualized development environments
 Group: Development/Languages
 License: MIT
@@ -20,6 +20,10 @@ Source1: binstub
 # dependency, it should be fine to include the source right here.
 Source2: https://github.com/mitchellh/%{name}-spec/archive/%{vagrant_spec_commit}/%{name}-spec-%{vagrant_spec_commit}.tar.gz
 
+# Monkey-patching needed for Vagrant to work until the respective patches
+# for RubyGems and Bundler are in place
+Source3: patches.rb
+
 Patch0: vagrant-1.6.5-fix-dependencies.patch
 
 Requires: ruby(release)
@@ -108,6 +112,11 @@ install -D -m 0644 %{buildroot}%{vagrant_dir}/contrib/bash/completion.sh \
 # create the global home dir
 install -d -m 755 %{buildroot}%{vagrant_plugin_dir}
 
+# Install the monkey-patch file and load it from Vagrant after loading RubyGems
+cp %{SOURCE3}  %{buildroot}%{vagrant_dir}/lib/vagrant
+sed -i -e "11irequire 'vagrant/patches'" %{buildroot}%{vagrant_dir}/lib/vagrant.rb
+
+
 %check
 # Unpack the vagran-spec and adjust the directory name.
 tar xvzf %{S:2} -C ..
@@ -161,6 +170,9 @@ getent group vagrant >/dev/null || groupadd -r vagrant
 
 
 %changelog
+* Mon Nov 24 2014 Josef Stribny <jstribny at redhat.com> - 1.6.5-12
+- Include monkey-patching for RubyGems and Bundler for now
+
 * Wed Oct 22 2014 Vít Ondruch <vondruch at redhat.com> - 1.6.5-11
 - Make vagrant non-rubygem package.