Add helpful invalid gemspec error message for `bundle install

--standalone` when a gem/dependency has an invalid gemspec

1 files changed, 3 insertions, 0 deletions

diff --git a/lib/bundler/installer/standalone.rb b/lib/bundler/installer/standalone.rb
index 69cfbfc455..41fe207756 100644
--- a/lib/bundler/installer/standalone.rb
+++ b/lib/bundler/installer/standalone.rb
@@ -44,6 +44,9 @@ module Bundler
     def gem_path(path, spec)
       full_path = Pathname.new(path).absolute? ? path : File.join(spec.full_gem_path, path)
       Pathname.new(full_path).relative_path_from(Bundler.root.join(bundler_path)).to_s
+    rescue TypeError
+      error_message = "#{spec.name} #{spec.version} has an invalid gemspec"
+      raise Gem::InvalidSpecificationException.new(error_message)
     end
   end
 end