Dump invalid HCL if we hit it

upup/pkg/fi/cloudup/terraform/hcl_printer.go

@@ -121,6 +121,10 @@ func hclPrint(node ast.Node) ([]byte, error) {
 	// Apply Terraform style (alignment etc.)
 	formatted, err := hcl_printer.Format([]byte(s))
 	if err != nil {
+		glog.Errorf("Invalid HCL follows:")
+		for i, line := range strings.Split(s, "\n") {
+			glog.Errorf("%d\t%s", (i + 1), line)
+		}
 		return nil, fmt.Errorf("error formatting HCL: %v", err)
 	}