darwin: use utimensat syscall instead of utimes

thehajime · thehajime · commit b80f08663090 · 2021-09-10T10:58:53.000+09:00
This fix is similar to what FreeBSD support does (bb87682), but prepares a separate file to handle the darwin case. Signed-off-by: Hajime Tazaki <thehajime@gmail.com>
diff --git a/fs/copy_darwin.go b/fs/copy_darwin.go
@@ -0,0 +1,42 @@
+// +build darwin
+
+/*
+   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 fs
+
+import (
+	"os"
+	"syscall"
+
+	"github.com/pkg/errors"
+	"golang.org/x/sys/unix"
+)
+
+func copyDevice(dst string, fi os.FileInfo) error {
+	st, ok := fi.Sys().(*syscall.Stat_t)
+	if !ok {
+		return errors.New("unsupported stat type")
+	}
+	return unix.Mknod(dst, uint32(fi.Mode()), int(st.Rdev))
+}
+
+func utimesNano(name string, atime, mtime syscall.Timespec) error {
+	at := unix.NsecToTimespec(atime.Nano())
+	mt := unix.NsecToTimespec(mtime.Nano())
+	utimes := [2]unix.Timespec{at, mt}
+	return unix.UtimesNanoAt(unix.AT_FDCWD, name, utimes[0:], unix.AT_SYMLINK_NOFOLLOW)
+}
diff --git a/fs/copy_openbsdsolaris.go b/fs/copy_openbsdsolaris.go
@@ -1,4 +1,4 @@
-// +build darwin openbsd solaris
+// +build openbsd solaris
 
 /*
    Copyright The containerd Authors.

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-// +build darwin openbsd solaris`
	`1`	`+// +build openbsd solaris`
`2`	`2`
`3`	`3`	`/*`
`4`	`4`	`Copyright The containerd Authors.`