[rubygems/rubygems] Fix `gem uninstall <name>:<version>` failing on shadowed default gems

https://github.com/rubygems/rubygems/commit/29357a5dd6

1 files changed, 8 insertions, 3 deletions

diff --git a/lib/rubygems/commands/uninstall_command.rb b/lib/rubygems/commands/uninstall_command.rb
index 283bc96ce3..3d6e41e49e 100644
--- a/lib/rubygems/commands/uninstall_command.rb
+++ b/lib/rubygems/commands/uninstall_command.rb
@@ -157,9 +157,14 @@ that is a dependency of an existing gem.  You can use the
 
       gem_specs = Gem::Specification.find_all_by_name(name, original_gem_version[name])
 
-      say("Gem '#{name}' is not installed") if gem_specs.empty?
-      gem_specs.each do |spec|
-        deplist.add spec
+      if gem_specs.empty?
+        say("Gem '#{name}' is not installed")
+      else
+        gem_specs.reject!(&:default_gem?) if gem_specs.size > 1
+
+        gem_specs.each do |spec|
+          deplist.add spec
+        end
       end
     end