[rubygems/rubygems] Only remove bundler plugin gem when it's inside the cache

https://github.com/rubygems/rubygems/commit/8d51390ca4

2 files changed, 10 insertions, 1 deletions

diff --git a/lib/bundler/plugin.rb b/lib/bundler/plugin.rb
index e6aaa6b464..edd1900135 100644
--- a/lib/bundler/plugin.rb
+++ b/lib/bundler/plugin.rb
@@ -62,7 +62,8 @@ module Bundler
       if names.any?
         names.each do |name|
           if index.installed?(name)
-            Bundler.rm_rf(index.plugin_path(name))
+            path = index.plugin_path(name).to_s
+            Bundler.rm_rf(path) if index.installed_in_plugin_root?(name)
             index.unregister_plugin(name)
             Bundler.ui.info "Uninstalled plugin #{name}"
           else
diff --git a/lib/bundler/plugin/index.rb b/lib/bundler/plugin/index.rb
index a2d5eaa38a..c2ab8f90da 100644
--- a/lib/bundler/plugin/index.rb
+++ b/lib/bundler/plugin/index.rb
@@ -136,6 +136,14 @@ module Bundler
         @hooks[event] || []
       end
 
+      # This plugin is installed inside the .bundle/plugin directory,
+      # and thus is managed solely by Bundler
+      def installed_in_plugin_root?(name)
+        return false unless (path = installed?(name))
+
+        path.start_with?("#{Plugin.root}/")
+      end
+
       private
 
       # Reads the index file from the directory and initializes the instance