chore: improve any compat error (#138)

go.mod

@@ -3,6 +3,7 @@ module github.com/cosmos/gogoproto
 go 1.19
 
 require (
+	github.com/golang/protobuf v1.5.3
 	github.com/google/go-cmp v0.6.0
 	github.com/tendermint/go-amino v0.16.0
 	golang.org/x/exp v0.0.0-20231006140011-7918f672742d
@@ -12,7 +13,6 @@ require (
 
 require (
 	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/golang/protobuf v1.5.3 // indirect
 	github.com/google/gofuzz v1.2.0 // indirect
 	github.com/stretchr/testify v1.8.4 // indirect
 	golang.org/x/net v0.20.0 // indirect

types/any/any_with_cache.go

@@ -58,7 +58,7 @@ type Any struct {
 // unmarshalling
 func NewAnyWithCacheWithValue(v proto.Message) (*Any, error) {
 	if v == nil {
-		return nil, errors.New("Expecting non nil value to create a new Any, failed packing protobuf message to Any")
+		return nil, errors.New("expecting non nil value to create a new Any, failed packing protobuf message to Any")
 	}
 
 	var (

types/any/compat.go

@@ -19,18 +19,18 @@ type anyCompat struct {
 var Debug = true
 
 func anyCompatError(errType string, x interface{}) error {
+	msg := "%s marshaling error for %+v, this is likely because " +
+		"amino is being used directly (instead of codec.LegacyAmino which is preferred) " +
+		"or UnpackInterfacesMessage is not defined for some type which contains " +
+		"a protobuf Any either directly or via one of its members."
+
 	if Debug {
 		debug.PrintStack()
+	} else {
+		msg += " To see a stacktrace of where the error is coming from, set the var Debug = true in github.com/cosmos/gogoproto/types/any/compat.go"
 	}
-	return fmt.Errorf(
-		"%s marshaling error for %+v, this is likely because "+
-			"amino is being used directly (instead of codec.LegacyAmino which is preferred) "+
-			"or UnpackInterfacesMessage is not defined for some type which contains "+
-			"a protobuf Any either directly or via one of its members. To see a "+
-			"stacktrace of where the error is coming from, set the var Debug = true "+
-			"in codec/types/compat.go",
-		errType, x,
-	)
+
+	return fmt.Errorf(msg, errType, x)
 }
 
 func (any Any) MarshalAmino() ([]byte, error) {