SpecGroup#to_specs doesn't return duplicated specs

2 files changed, 9 insertions, 1 deletions

diff --git a/lib/bundler/lazy_specification.rb b/lib/bundler/lazy_specification.rb
index 32c8bb9557..7a6f5614ef 100644
--- a/lib/bundler/lazy_specification.rb
+++ b/lib/bundler/lazy_specification.rb
@@ -46,6 +46,14 @@ module Bundler
       identifier == other.identifier
     end
 
+    def eql?(other)
+      identifier.eql?(other.identifier)
+    end
+
+    def hash
+      identifier.hash
+    end
+
     def satisfies?(dependency)
       @name == dependency.name && dependency.requirement.satisfied_by?(Gem::Version.new(@version))
     end
diff --git a/lib/bundler/resolver/spec_group.rb b/lib/bundler/resolver/spec_group.rb
index 4ebb747956..d5d12f7a2d 100644
--- a/lib/bundler/resolver/spec_group.rb
+++ b/lib/bundler/resolver/spec_group.rb
@@ -29,7 +29,7 @@ module Bundler
           lazy_spec = LazySpecification.new(name, version, s.platform, source)
           lazy_spec.dependencies.replace s.dependencies
           lazy_spec
-        end.compact
+        end.compact.uniq
       end
 
       def activate_platform!(platform)