vendor: go get github.com/zclconf/go-cty@v1.5.0

go.mod

@@ -119,7 +119,7 @@ require (
 	github.com/xanzy/ssh-agent v0.2.1
 	github.com/xiang90/probing v0.0.0-20160813154853-07dd2e8dfe18 // indirect
 	github.com/xlab/treeprint v0.0.0-20161029104018-1d6e34225557
-	github.com/zclconf/go-cty v1.4.2
+	github.com/zclconf/go-cty v1.5.0
 	github.com/zclconf/go-cty-yaml v1.0.1
 	go.uber.org/atomic v1.3.2 // indirect
 	go.uber.org/multierr v1.1.0 // indirect

go.sum

@@ -136,8 +136,6 @@ github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZm
 github.com/dimchansky/utfbom v1.0.0/go.mod h1:rO41eb7gLfo8SF1jd9F8HplJm1Fewwi4mQvIirEdv+8=
 github.com/dimchansky/utfbom v1.1.0 h1:FcM3g+nofKgUteL8dm/UpdRXNC9KmADgTpLKsu0TRo4=
 github.com/dimchansky/utfbom v1.1.0/go.mod h1:rO41eb7gLfo8SF1jd9F8HplJm1Fewwi4mQvIirEdv+8=
-github.com/dnaeon/go-vcr v0.0.0-20180920040454-5637cf3d8a31 h1:Dzuw9GtbmllUqEcoHfScT9YpKFUssSiZ5PgZkIGf/YQ=
-github.com/dnaeon/go-vcr v0.0.0-20180920040454-5637cf3d8a31/go.mod h1:aBB1+wY4s93YsC3HHjMBMrwTj2R9FHDzUr9KyGc8n1E=
 github.com/docker/spdystream v0.0.0-20160310174837-449fdfce4d96/go.mod h1:Qh8CwZgvJUkLughtfhJv5dyTYa91l1fOUCrgjqmcifM=
 github.com/dylanmei/iso8601 v0.1.0 h1:812NGQDBcqquTfH5Yeo7lwR0nzx/cKdsmf3qMjPURUI=
 github.com/dylanmei/iso8601 v0.1.0/go.mod h1:w9KhXSgIyROl1DefbMYIE7UVSIvELTbMrCfx+QkYnoQ=
@@ -508,8 +506,8 @@ github.com/xlab/treeprint v0.0.0-20161029104018-1d6e34225557/go.mod h1:ce1O1j6Ut
 github.com/zclconf/go-cty v1.0.0/go.mod h1:xnAOWiHeOqg2nWS62VtQ7pbOu17FtxJNW8RLEih+O3s=
 github.com/zclconf/go-cty v1.1.0/go.mod h1:xnAOWiHeOqg2nWS62VtQ7pbOu17FtxJNW8RLEih+O3s=
 github.com/zclconf/go-cty v1.2.0/go.mod h1:hOPWgoHbaTUnI5k4D2ld+GRpFJSCe6bCM7m1q/N4PQ8=
-github.com/zclconf/go-cty v1.4.2 h1:GKcsRGjxZnRRlyVk2Y6PyG3fdcn3Pv0D7KT4xyYTLlE=
+github.com/zclconf/go-cty v1.5.0 h1:U0USwJxGTnUd+dT565f92paYOlRtd201pI7+ZGW36XY=
-github.com/zclconf/go-cty v1.4.2/go.mod h1:nHzOclRkoj++EU9ZjSrZvRG0BXIWt8c7loYc0qXAFGQ=
+github.com/zclconf/go-cty v1.5.0/go.mod h1:nHzOclRkoj++EU9ZjSrZvRG0BXIWt8c7loYc0qXAFGQ=
 github.com/zclconf/go-cty-yaml v1.0.1 h1:up11wlgAaDvlAGENcFDnZgkn0qUJurso7k6EpURKNF8=
 github.com/zclconf/go-cty-yaml v1.0.1/go.mod h1:IP3Ylp0wQpYm50IHK8OZWKMu6sPJIUgKa8XhiVHura0=
 go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=

vendor/github.com/zclconf/go-cty/cty/convert/conversion_collection.go

@@ -156,34 +156,45 @@ func conversionCollectionToMap(ety cty.Type, conv conversion) conversion {
 // given tuple type and return a set of the given element type.
 //
 // Will panic if the given tupleType isn't actually a tuple type.
-func conversionTupleToSet(tupleType cty.Type, listEty cty.Type, unsafe bool) conversion {
+func conversionTupleToSet(tupleType cty.Type, setEty cty.Type, unsafe bool) conversion {
 	tupleEtys := tupleType.TupleElementTypes()
 
 	if len(tupleEtys) == 0 {
 		// Empty tuple short-circuit
 		return func(val cty.Value, path cty.Path) (cty.Value, error) {
-			return cty.SetValEmpty(listEty), nil
+			return cty.SetValEmpty(setEty), nil
 		}
 	}
 
-	if listEty == cty.DynamicPseudoType {
+	if setEty == cty.DynamicPseudoType {
 		// This is a special case where the caller wants us to find
 		// a suitable single type that all elements can convert to, if
 		// possible.
-		listEty, _ = unify(tupleEtys, unsafe)
+		setEty, _ = unify(tupleEtys, unsafe)
-		if listEty == cty.NilType {
+		if setEty == cty.NilType {
 			return nil
 		}
+
+		// If the set element type after unification is still the dynamic
+		// type, the only way this can result in a valid set is if all values
+		// are of dynamic type
+		if setEty == cty.DynamicPseudoType {
+			for _, tupleEty := range tupleEtys {
+				if !tupleEty.Equals(cty.DynamicPseudoType) {
+					return nil
+				}
+			}
+		}
 	}
 
 	elemConvs := make([]conversion, len(tupleEtys))
 	for i, tupleEty := range tupleEtys {
-		if tupleEty.Equals(listEty) {
+		if tupleEty.Equals(setEty) {
 			// no conversion required
 			continue
 		}
 
-		elemConvs[i] = getConversion(tupleEty, listEty, unsafe)
+		elemConvs[i] = getConversion(tupleEty, setEty, unsafe)
 		if elemConvs[i] == nil {
 			// If any of our element conversions are impossible, then the our
 			// whole conversion is impossible.
@@ -244,6 +255,17 @@ func conversionTupleToList(tupleType cty.Type, listEty cty.Type, unsafe bool) co
 		if listEty == cty.NilType {
 			return nil
 		}
+
+		// If the list element type after unification is still the dynamic
+		// type, the only way this can result in a valid list is if all values
+		// are of dynamic type
+		if listEty == cty.DynamicPseudoType {
+			for _, tupleEty := range tupleEtys {
+				if !tupleEty.Equals(cty.DynamicPseudoType) {
+					return nil
+				}
+			}
+		}
 	}
 
 	elemConvs := make([]conversion, len(tupleEtys))

vendor/github.com/zclconf/go-cty/cty/type.go

@@ -87,7 +87,7 @@ func (t Type) HasDynamicTypes() bool {
 	case t.IsPrimitiveType():
 		return false
 	case t.IsCollectionType():
-		return false
+		return t.ElementType().HasDynamicTypes()
 	case t.IsObjectType():
 		attrTypes := t.AttributeTypes()
 		for _, at := range attrTypes {

vendor/github.com/zclconf/go-cty/cty/value.go

@@ -106,3 +106,37 @@ func (val Value) IsWhollyKnown() bool {
 		return true
 	}
 }
+
+// HasWhollyKnownType checks if the value is dynamic, or contains any nested
+// DynamicVal. This implies that both the value is not known, and the final
+// type may change.
+func (val Value) HasWhollyKnownType() bool {
+	// a null dynamic type is known
+	if val.IsNull() {
+		return true
+	}
+
+	// an unknown DynamicPseudoType is a DynamicVal, but we don't want to
+	// check that value for equality here, since this method is used within the
+	// equality check.
+	if !val.IsKnown() && val.ty == DynamicPseudoType {
+		return false
+	}
+
+	if val.CanIterateElements() {
+		// if the value is not known, then we can look directly at the internal
+		// types
+		if !val.IsKnown() {
+			return !val.ty.HasDynamicTypes()
+		}
+
+		for it := val.ElementIterator(); it.Next(); {
+			_, ev := it.Element()
+			if !ev.HasWhollyKnownType() {
+				return false
+			}
+		}
+	}
+
+	return true
+}

vendor/github.com/zclconf/go-cty/cty/value_ops.go

@@ -133,9 +133,9 @@ func (val Value) Equals(other Value) Value {
 	case val.IsKnown() && !other.IsKnown():
 		switch {
 		case val.IsNull(), other.ty.HasDynamicTypes():
-			// If known is Null, we need to wait for the unkown value since
+			// If known is Null, we need to wait for the unknown value since
 			// nulls of any type are equal.
-			// An unkown with a dynamic type compares as unknown, which we need
+			// An unknown with a dynamic type compares as unknown, which we need
 			// to check before the type comparison below.
 			return UnknownVal(Bool)
 		case !val.ty.Equals(other.ty):
@@ -148,9 +148,9 @@ func (val Value) Equals(other Value) Value {
 	case other.IsKnown() && !val.IsKnown():
 		switch {
 		case other.IsNull(), val.ty.HasDynamicTypes():
-			// If known is Null, we need to wait for the unkown value since
+			// If known is Null, we need to wait for the unknown value since
 			// nulls of any type are equal.
-			// An unkown with a dynamic type compares as unknown, which we need
+			// An unknown with a dynamic type compares as unknown, which we need
 			// to check before the type comparison below.
 			return UnknownVal(Bool)
 		case !other.ty.Equals(val.ty):
@@ -171,7 +171,15 @@ func (val Value) Equals(other Value) Value {
 		return BoolVal(false)
 	}
 
-	if val.ty.HasDynamicTypes() || other.ty.HasDynamicTypes() {
+	// Check if there are any nested dynamic values making this comparison
+	// unknown.
+	if !val.HasWhollyKnownType() || !other.HasWhollyKnownType() {
+		// Even if we have dynamic values, we can still determine inequality if
+		// there is no way the types could later conform.
+		if val.ty.TestConformance(other.ty) != nil && other.ty.TestConformance(val.ty) != nil {
+			return BoolVal(false)
+		}
+
 		return UnknownVal(Bool)
 	}
 

vendor/modules.txt

@@ -597,7 +597,7 @@ github.com/xanzy/ssh-agent
 # github.com/xlab/treeprint v0.0.0-20161029104018-1d6e34225557
 ## explicit
 github.com/xlab/treeprint
-# github.com/zclconf/go-cty v1.4.2
+# github.com/zclconf/go-cty v1.5.0
 ## explicit
 github.com/zclconf/go-cty/cty
 github.com/zclconf/go-cty/cty/convert