[rubygems/rubygems] Fix installing plugins via relative paths

This affected both CLI and Gemfile installs

https://github.com/rubygems/rubygems/commit/a0d101a8df

2 files changed, 2 insertions, 2 deletions

diff --git a/lib/bundler/plugin/installer.rb b/lib/bundler/plugin/installer.rb
index 6771f3f153..4f60862bb4 100644
--- a/lib/bundler/plugin/installer.rb
+++ b/lib/bundler/plugin/installer.rb
@@ -77,7 +77,7 @@ module Bundler
 
       def install_path(names, version, path)
         source_list = SourceList.new
-        source = source_list.add_path_source({ "path" => path })
+        source = source_list.add_path_source({ "path" => path, "root_path" => SharedHelpers.pwd })
 
         install_all_sources(names, version, source_list, source)
       end
diff --git a/lib/bundler/plugin/installer/path.rb b/lib/bundler/plugin/installer/path.rb
index 1b60724b5e..58a8fa7426 100644
--- a/lib/bundler/plugin/installer/path.rb
+++ b/lib/bundler/plugin/installer/path.rb
@@ -5,7 +5,7 @@ module Bundler
     class Installer
       class Path < Bundler::Source::Path
         def root
-          Plugin.root
+          SharedHelpers.in_bundle? ? Bundler.root : Plugin.root
         end
 
         def generate_bin(spec, disable_extensions = false)