Update Lego

vendor/github.com/exoscale/egoscale/copier.go

@@ -0,0 +1,37 @@
+package egoscale
+
+import (
+	"fmt"
+	"reflect"
+)
+
+// Copy copies the value from from into to. The type of "from" must be convertible into the type of "to".
+func Copy(to, from interface{}) error {
+	tt := reflect.TypeOf(to)
+	tv := reflect.ValueOf(to)
+
+	ft := reflect.TypeOf(from)
+	fv := reflect.ValueOf(from)
+
+	if tt.Kind() != reflect.Ptr {
+		return fmt.Errorf("must copy to a pointer, got %q", tt.Name())
+	}
+
+	tt = tt.Elem()
+	tv = tv.Elem()
+
+	for {
+		if ft.ConvertibleTo(tt) {
+			break
+		}
+		if ft.Kind() == reflect.Ptr {
+			ft = ft.Elem()
+			fv = fv.Elem()
+		} else {
+			return fmt.Errorf("cannot convert %q into %q", tt.Name(), ft.Name())
+		}
+	}
+
+	tv.Set(fv.Convert(tt))
+	return nil
+}