Vendor dependencies with vndr

This fixes issue #123

1 files changed, 30 insertions, 0 deletions

diff --git a/vendor/github.com/hashicorp/hil/ast/unknown.go b/vendor/github.com/hashicorp/hil/ast/unknown.go
new file mode 100644
index 00000000..d6ddaecc
--- /dev/null
+++ b/vendor/github.com/hashicorp/hil/ast/unknown.go
@@ -0,0 +1,30 @@
+package ast
+
+// IsUnknown reports whether a variable is unknown or contains any value
+// that is unknown. This will recurse into lists and maps and so on.
+func IsUnknown(v Variable) bool {
+	// If it is unknown itself, return true
+	if v.Type == TypeUnknown {
+		return true
+	}
+
+	// If it is a container type, check the values
+	switch v.Type {
+	case TypeList:
+		for _, el := range v.Value.([]Variable) {
+			if IsUnknown(el) {
+				return true
+			}
+		}
+	case TypeMap:
+		for _, el := range v.Value.(map[string]Variable) {
+			if IsUnknown(el) {
+				return true
+			}
+		}
+	default:
+	}
+
+	// Not a container type or survive the above checks
+	return false
+}