vendor: go get github.com/hashicorp/hcl/v2@v2.6.0

go.mod

@@ -66,7 +66,7 @@ require (
 	github.com/hashicorp/go-uuid v1.0.1
 	github.com/hashicorp/go-version v1.2.0
 	github.com/hashicorp/hcl v0.0.0-20170504190234-a4b07c25de5f
-	github.com/hashicorp/hcl/v2 v2.5.1
+	github.com/hashicorp/hcl/v2 v2.6.0
 	github.com/hashicorp/hil v0.0.0-20190212112733-ab17b08d6590
 	github.com/hashicorp/memberlist v0.1.0 // indirect
 	github.com/hashicorp/serf v0.0.0-20160124182025-e4ec8cc423bb // indirect

go.sum

@@ -281,8 +281,8 @@ github.com/hashicorp/golang-lru v0.5.1/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ
 github.com/hashicorp/hcl v0.0.0-20170504190234-a4b07c25de5f h1:UdxlrJz4JOnY8W+DbLISwf2B8WXEolNRA8BGCwI9jws=
 github.com/hashicorp/hcl v0.0.0-20170504190234-a4b07c25de5f/go.mod h1:oZtUIOe8dh44I2q6ScRibXws4Ajl+d+nod3AaR9vL5w=
 github.com/hashicorp/hcl/v2 v2.0.0/go.mod h1:oVVDG71tEinNGYCxinCYadcmKU9bglqW9pV3txagJ90=
-github.com/hashicorp/hcl/v2 v2.5.1 h1:5ytFZykUu2/4U59ogd2f+XZdi9+6oC/Tv5WzsH6fIDA=
-github.com/hashicorp/hcl/v2 v2.5.1/go.mod h1:bQTN5mpo+jewjJgh8jr0JUguIi7qPHUF6yIfAEN3jqY=
+github.com/hashicorp/hcl/v2 v2.6.0 h1:3krZOfGY6SziUXa6H9PJU6TyohHn7I+ARYnhbeNBz+o=
+github.com/hashicorp/hcl/v2 v2.6.0/go.mod h1:bQTN5mpo+jewjJgh8jr0JUguIi7qPHUF6yIfAEN3jqY=
 github.com/hashicorp/hil v0.0.0-20190212112733-ab17b08d6590 h1:2yzhWGdgQUWZUCNK+AoO35V+HTsgEmcM4J9IkArh7PI=
 github.com/hashicorp/hil v0.0.0-20190212112733-ab17b08d6590/go.mod h1:n2TSygSNwsLJ76m8qFXTSc7beTb+auJxYdqrnoqwZWE=
 github.com/hashicorp/memberlist v0.1.0 h1:qSsCiC0WYD39lbSitKNt40e30uorm2Ss/d4JGU1hzH8=

vendor/github.com/hashicorp/hcl/v2/CHANGELOG.md

@@ -1,5 +1,16 @@
 # HCL Changelog
 
+## v2.6.0 (June 4, 2020)
+
+### Enhancements
+
+* hcldec: Add a new `Spec`, `ValidateSpec`, which allows custom validation of values at decode-time. ([#387](https://github.com/hashicorp/hcl/pull/387))
+
+### Bugs Fixed
+
+* hclsyntax: Fix panic with combination of sequences and null arguments ([#386](https://github.com/hashicorp/hcl/pull/386))
+* hclsyntax: Fix handling of unknown values and sequences ([#386](https://github.com/hashicorp/hcl/pull/386))
+
 ## v2.5.1 (May 14, 2020)
 
 ### Bugs Fixed

vendor/github.com/hashicorp/hcl/v2/diagnostic.go

@@ -22,14 +22,14 @@ const (
 )
 
 // Diagnostic represents information to be presented to a user about an
-// error or anomoly in parsing or evaluating configuration.
+// error or anomaly in parsing or evaluating configuration.
 type Diagnostic struct {
 	Severity DiagnosticSeverity
 
 	// Summary and Detail contain the English-language description of the
 	// problem. Summary is a terse description of the general problem and
 	// detail is a more elaborate, often-multi-sentence description of
-	// the probem and what might be done to solve it.
+	// the problem and what might be done to solve it.
 	Summary string
 	Detail  string
 

vendor/github.com/hashicorp/hcl/v2/hcldec/spec.go

@@ -1565,6 +1565,52 @@ func (s *TransformFuncSpec) sourceRange(content *hcl.BodyContent, blockLabels []
 	return s.Wrapped.sourceRange(content, blockLabels)
 }
 
+// ValidateFuncSpec is a spec that allows for extended
+// developer-defined validation. The validation function receives the
+// result of the wrapped spec.
+//
+// The Subject field of the returned Diagnostic is optional. If not
+// specified, it is automatically populated with the range covered by
+// the wrapped spec.
+//
+type ValidateSpec struct {
+	Wrapped Spec
+	Func    func(value cty.Value) hcl.Diagnostics
+}
+
+func (s *ValidateSpec) visitSameBodyChildren(cb visitFunc) {
+	cb(s.Wrapped)
+}
+
+func (s *ValidateSpec) decode(content *hcl.BodyContent, blockLabels []blockLabel, ctx *hcl.EvalContext) (cty.Value, hcl.Diagnostics) {
+	wrappedVal, diags := s.Wrapped.decode(content, blockLabels, ctx)
+	if diags.HasErrors() {
+		// We won't try to run our function in this case, because it'll probably
+		// generate confusing additional errors that will distract from the
+		// root cause.
+		return cty.UnknownVal(s.impliedType()), diags
+	}
+
+	validateDiags := s.Func(wrappedVal)
+	// Auto-populate the Subject fields if they weren't set.
+	for i := range validateDiags {
+		if validateDiags[i].Subject == nil {
+			validateDiags[i].Subject = s.sourceRange(content, blockLabels).Ptr()
+		}
+	}
+
+	diags = append(diags, validateDiags...)
+	return wrappedVal, diags
+}
+
+func (s *ValidateSpec) impliedType() cty.Type {
+	return s.Wrapped.impliedType()
+}
+
+func (s *ValidateSpec) sourceRange(content *hcl.BodyContent, blockLabels []blockLabel) hcl.Range {
+	return s.Wrapped.sourceRange(content, blockLabels)
+}
+
 // noopSpec is a placeholder spec that does nothing, used in situations where
 // a non-nil placeholder spec is required. It is not exported because there is
 // no reason to use it directly; it is always an implementation detail only.

vendor/github.com/hashicorp/hcl/v2/hclsyntax/expression.go

@@ -260,6 +260,20 @@ func (e *FunctionCallExpr) Value(ctx *hcl.EvalContext) (cty.Value, hcl.Diagnosti
 		}
 
 		switch {
+		case expandVal.Type().Equals(cty.DynamicPseudoType):
+			if expandVal.IsNull() {
+				diags = append(diags, &hcl.Diagnostic{
+					Severity:    hcl.DiagError,
+					Summary:     "Invalid expanding argument value",
+					Detail:      "The expanding argument (indicated by ...) must not be null.",
+					Subject:     expandExpr.Range().Ptr(),
+					Context:     e.Range().Ptr(),
+					Expression:  expandExpr,
+					EvalContext: ctx,
+				})
+				return cty.DynamicVal, diags
+			}
+			return cty.DynamicVal, diags
 		case expandVal.Type().IsTupleType() || expandVal.Type().IsListType() || expandVal.Type().IsSetType():
 			if expandVal.IsNull() {
 				diags = append(diags, &hcl.Diagnostic{
@@ -406,6 +420,22 @@ func (e *FunctionCallExpr) Value(ctx *hcl.EvalContext) (cty.Value, hcl.Diagnosti
 			} else {
 				param = varParam
 			}
+
+			// this can happen if an argument is (incorrectly) null.
+			if i > len(e.Args)-1 {
+				diags = append(diags, &hcl.Diagnostic{
+					Severity: hcl.DiagError,
+					Summary:  "Invalid function argument",
+					Detail: fmt.Sprintf(
+						"Invalid value for %q parameter: %s.",
+						param.Name, err,
+					),
+					Subject:     args[len(params)].StartRange().Ptr(),
+					Context:     e.Range().Ptr(),
+					Expression:  e,
+					EvalContext: ctx,
+				})
+			} else {
 				argExpr := e.Args[i]
 
 				// TODO: we should also unpick a PathError here and show the
@@ -422,6 +452,7 @@ func (e *FunctionCallExpr) Value(ctx *hcl.EvalContext) (cty.Value, hcl.Diagnosti
 					Expression:  argExpr,
 					EvalContext: ctx,
 				})
+			}
 
 		default:
 			diags = append(diags, &hcl.Diagnostic{

vendor/github.com/hashicorp/hcl/v2/hclwrite/parser.go

@@ -521,8 +521,8 @@ func writerTokens(nativeTokens hclsyntax.Tokens) Tokens {
 // The tokens are assumed to be in source order and non-overlapping, which
 // will be true if the token sequence from the scanner is used directly.
 func partitionTokens(toks hclsyntax.Tokens, rng hcl.Range) (start, end int) {
-	// We us a linear search here because we assume tha in most cases our
-	// target range is close to the beginning of the sequence, and the seqences
+	// We use a linear search here because we assume that in most cases our
+	// target range is close to the beginning of the sequence, and the sequences
 	// are generally small for most reasonable files anyway.
 	for i := 0; ; i++ {
 		if i >= len(toks) {

vendor/modules.txt

@@ -375,7 +375,7 @@ github.com/hashicorp/hcl/hcl/token
 github.com/hashicorp/hcl/json/parser
 github.com/hashicorp/hcl/json/scanner
 github.com/hashicorp/hcl/json/token
-# github.com/hashicorp/hcl/v2 v2.5.1
+# github.com/hashicorp/hcl/v2 v2.6.0
 ## explicit
 github.com/hashicorp/hcl/v2
 github.com/hashicorp/hcl/v2/ext/customdecode