vendor: update buildkit with typed errors support

Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>

vendor/github.com/xeipuuv/gojsonschema/result.go

@@ -37,19 +37,34 @@ type (
 
 	// ResultError is the interface that library errors must implement
 	ResultError interface {
+		// Field returns the field name without the root context
+		// i.e. firstName or person.firstName instead of (root).firstName or (root).person.firstName
 		Field() string
+		// SetType sets the error-type
 		SetType(string)
+		// Type returns the error-type
 		Type() string
+		// SetContext sets the JSON-context for the error
 		SetContext(*JsonContext)
+		// Context returns the JSON-context of the error
 		Context() *JsonContext
+		// SetDescription sets a description for the error
 		SetDescription(string)
+		// Description returns the description of the error
 		Description() string
+		// SetDescriptionFormat sets the format for the description in the default text/template format
 		SetDescriptionFormat(string)
+		// DescriptionFormat returns the format for the description in the default text/template format
 		DescriptionFormat() string
+		// SetValue sets the value related to the error
 		SetValue(interface{})
+		// Value returns the value related to the error
 		Value() interface{}
+		// SetDetails sets the details specific to the error
 		SetDetails(ErrorDetails)
+		// Details returns details about the error
 		Details() ErrorDetails
+		// String returns a string representation of the error
 		String() string
 	}
 
@@ -65,6 +80,7 @@ type (
 		details           ErrorDetails
 	}
 
+	// Result holds the result of a validation
 	Result struct {
 		errors []ResultError
 		// Scores how well the validation matched. Useful in generating
@@ -73,66 +89,73 @@ type (
 	}
 )
 
-// Field outputs the field name without the root context
+// Field returns the field name without the root context
 // i.e. firstName or person.firstName instead of (root).firstName or (root).person.firstName
 func (v *ResultErrorFields) Field() string {
-	if p, ok := v.Details()["property"]; ok {
-		if str, isString := p.(string); isString {
-			return str
-		}
-	}
-
 	return strings.TrimPrefix(v.context.String(), STRING_ROOT_SCHEMA_PROPERTY+".")
 }
 
+// SetType sets the error-type
 func (v *ResultErrorFields) SetType(errorType string) {
 	v.errorType = errorType
 }
 
+// Type returns the error-type
 func (v *ResultErrorFields) Type() string {
 	return v.errorType
 }
 
+// SetContext sets the JSON-context for the error
 func (v *ResultErrorFields) SetContext(context *JsonContext) {
 	v.context = context
 }
 
+// Context returns the JSON-context of the error
 func (v *ResultErrorFields) Context() *JsonContext {
 	return v.context
 }
 
+// SetDescription sets a description for the error
 func (v *ResultErrorFields) SetDescription(description string) {
 	v.description = description
 }
 
+// Description returns the description of the error
 func (v *ResultErrorFields) Description() string {
 	return v.description
 }
 
+// SetDescriptionFormat sets the format for the description in the default text/template format
 func (v *ResultErrorFields) SetDescriptionFormat(descriptionFormat string) {
 	v.descriptionFormat = descriptionFormat
 }
 
+// DescriptionFormat returns the format for the description in the default text/template format
 func (v *ResultErrorFields) DescriptionFormat() string {
 	return v.descriptionFormat
 }
 
+// SetValue sets the value related to the error
 func (v *ResultErrorFields) SetValue(value interface{}) {
 	v.value = value
 }
 
+// Value returns the value related to the error
 func (v *ResultErrorFields) Value() interface{} {
 	return v.value
 }
 
+// SetDetails sets the details specific to the error
 func (v *ResultErrorFields) SetDetails(details ErrorDetails) {
 	v.details = details
 }
 
+// Details returns details about the error
 func (v *ResultErrorFields) Details() ErrorDetails {
 	return v.details
 }
 
+// String returns a string representation of the error
 func (v ResultErrorFields) String() string {
 	// as a fallback, the value is displayed go style
 	valueString := fmt.Sprintf("%v", v.value)
@@ -141,7 +164,7 @@ func (v ResultErrorFields) String() string {
 	if v.value == nil {
 		valueString = TYPE_NULL
 	} else {
-		if vs, err := marshalToJsonString(v.value); err == nil {
+		if vs, err := marshalToJSONString(v.value); err == nil {
 			if vs == nil {
 				valueString = TYPE_NULL
 			} else {
@@ -158,15 +181,17 @@ func (v ResultErrorFields) String() string {
 	})
 }
 
+// Valid indicates if no errors were found
 func (v *Result) Valid() bool {
 	return len(v.errors) == 0
 }
 
+// Errors returns the errors that were found
 func (v *Result) Errors() []ResultError {
 	return v.errors
 }
 
-// Add a fully filled error to the error set
+// AddError appends a fully filled error to the error set
 // SetDescription() will be called with the result of the parsed err.DescriptionFormat()
 func (v *Result) AddError(err ResultError, details ErrorDetails) {
 	if _, exists := details["context"]; !exists && err.Context() != nil {