From 8e685f78cf66e2901b2fbed2fdddd64449a74ab9 Mon Sep 17 00:00:00 2001
From: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>
Date: Wed, 19 Feb 2020 01:46:16 +0900
Subject: [PATCH] support building with BUILDTAGS="no_zfs no_aufs"

These plugins do not always need to be built-in.

Signed-off-by: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>
---
 cmd/containerd/builtins_aufs_linux.go | 21 +++++++++++++++++++++
 cmd/containerd/builtins_linux.go      |  2 --
 cmd/containerd/builtins_zfs_linux.go  | 21 +++++++++++++++++++++
 3 files changed, 42 insertions(+), 2 deletions(-)
 create mode 100644 cmd/containerd/builtins_aufs_linux.go
 create mode 100644 cmd/containerd/builtins_zfs_linux.go

diff --git a/cmd/containerd/builtins_aufs_linux.go b/cmd/containerd/builtins_aufs_linux.go
new file mode 100644
index 000000000..6de592a2d
--- /dev/null
+++ b/cmd/containerd/builtins_aufs_linux.go
@@ -0,0 +1,21 @@
+// +build !no_aufs
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package main
+
+import _ "github.com/containerd/aufs"
diff --git a/cmd/containerd/builtins_linux.go b/cmd/containerd/builtins_linux.go
index c0ec22448..5fa9a911c 100644
--- a/cmd/containerd/builtins_linux.go
+++ b/cmd/containerd/builtins_linux.go
@@ -17,7 +17,6 @@
 package main
 
 import (
-	_ "github.com/containerd/aufs"
 	_ "github.com/containerd/containerd/metrics/cgroups"
 	_ "github.com/containerd/containerd/metrics/cgroups/v2"
 	_ "github.com/containerd/containerd/runtime/v1/linux"
@@ -25,5 +24,4 @@ import (
 	_ "github.com/containerd/containerd/runtime/v2/runc/options"
 	_ "github.com/containerd/containerd/snapshots/native"
 	_ "github.com/containerd/containerd/snapshots/overlay"
-	_ "github.com/containerd/zfs"
 )
diff --git a/cmd/containerd/builtins_zfs_linux.go b/cmd/containerd/builtins_zfs_linux.go
new file mode 100644
index 000000000..b1d161117
--- /dev/null
+++ b/cmd/containerd/builtins_zfs_linux.go
@@ -0,0 +1,21 @@
+// +build !no_zfs
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package main
+
+import _ "github.com/containerd/zfs"