shithub: furgit

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refstore/chain: Remove casts unsupported by the contract

--- a/refstore/chain/chain.go

+++ b/refstore/chain/chain.go

@@ -60,20 +60,7 @@

 		switch resolved := resolved.(type) {

 		case ref.Detached:

 			return resolved, nil

-		case *ref.Detached:

-			if resolved == nil {

-				return ref.Detached{}, fmt.Errorf("refstore: backend returned nil detached reference")

-			}

-			return *resolved, nil

 		case ref.Symbolic:

-			if resolved.Target == "" {

-				return ref.Detached{}, fmt.Errorf("refstore: symbolic reference %q has empty target", resolved.Name())

-			}

-			cur = resolved.Target

-		case *ref.Symbolic:

-			if resolved == nil {

-				return ref.Detached{}, fmt.Errorf("refstore: backend returned nil symbolic reference")

-			}

 			if resolved.Target == "" {

 				return ref.Detached{}, fmt.Errorf("refstore: symbolic reference %q has empty target", resolved.Name())

 			}

-- 

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