From 95cddfcc75ed36d9c47fe91b7099faa131bdd7c5 Mon Sep 17 00:00:00 2001
From: David Crawshaw <crawshaw@tailscale.com>
Date: Fri, 4 Sep 2020 07:41:30 -0400
Subject: [PATCH] tailcfg: add Clone methods to Login and DNSConfig

Signed-off-by: David Crawshaw <crawshaw@tailscale.com>
---
 tailcfg/tailcfg.go       |  2 +-
 tailcfg/tailcfg_clone.go | 26 +++++++++++++++++++++++++-
 2 files changed, 26 insertions(+), 2 deletions(-)

diff --git a/tailcfg/tailcfg.go b/tailcfg/tailcfg.go
index 8bab4b210..7ecf890e5 100644
--- a/tailcfg/tailcfg.go
+++ b/tailcfg/tailcfg.go
@@ -4,7 +4,7 @@
 
 package tailcfg
 
-//go:generate go run tailscale.com/cmd/cloner -type=User,Node,Hostinfo,NetInfo,Group,Role,Capability -output=tailcfg_clone.go
+//go:generate go run tailscale.com/cmd/cloner -type=User,Node,Hostinfo,NetInfo,Group,Role,Capability,Login,DNSConfig -output=tailcfg_clone.go
 
 import (
 	"bytes"
diff --git a/tailcfg/tailcfg_clone.go b/tailcfg/tailcfg_clone.go
index 7ef9fea86..513b9890a 100644
--- a/tailcfg/tailcfg_clone.go
+++ b/tailcfg/tailcfg_clone.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// Code generated by tailscale.com/cmd/cloner -type User,Node,Hostinfo,NetInfo,Group,Role,Capability; DO NOT EDIT.
+// Code generated by tailscale.com/cmd/cloner -type User,Node,Hostinfo,NetInfo,Group,Role,Capability,Login,DNSConfig; DO NOT EDIT.
 
 package tailcfg
 
@@ -108,3 +108,27 @@ func (src *Capability) Clone() *Capability {
 	*dst = *src
 	return dst
 }
+
+// Clone makes a deep copy of Login.
+// The result aliases no memory with the original.
+func (src *Login) Clone() *Login {
+	if src == nil {
+		return nil
+	}
+	dst := new(Login)
+	*dst = *src
+	return dst
+}
+
+// Clone makes a deep copy of DNSConfig.
+// The result aliases no memory with the original.
+func (src *DNSConfig) Clone() *DNSConfig {
+	if src == nil {
+		return nil
+	}
+	dst := new(DNSConfig)
+	*dst = *src
+	dst.Nameservers = append(src.Nameservers[:0:0], src.Nameservers...)
+	dst.Domains = append(src.Domains[:0:0], src.Domains...)
+	return dst
+}