Merge pull request #2949 from justincormack/chtimes_osx

unix.UtimesNanoAt now supported on Darwin and sets nanosecond precision if filesystems does

archive/time_darwin.go

@@ -1,30 +0,0 @@
-/*
-   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 archive
-
-import (
-	"time"
-
-	"github.com/pkg/errors"
-)
-
-// as at MacOS 10.12 there is apparently no way to set timestamps
-// with nanosecond precision. We could fall back to utimes/lutimes
-// and lose the precision as a temporary workaround.
-func chtimes(path string, atime, mtime time.Time) error {
-	return errors.New("OSX missing UtimesNanoAt")
-}

archive/time_unix.go

@@ -1,4 +1,4 @@
-// +build freebsd linux openbsd solaris
+// +build !windows
 
 /*
    Copyright The containerd Authors.