local: add Metadata support #111

backend/local/setbtime_windows.go

@@ -0,0 +1,28 @@
+//go:build windows
+// +build windows
+
+package local
+
+import (
+	"os"
+	"time"
+	"syscall"
+)
+
+const haveSetBTime = true
+
+// setBTime sets the the birth time of the file passed in
+func setBTime(name string, btime time.Time) (err error) {
+	h, err := syscall.Open(name, os.O_RDWR, 0755)
+	if err != nil {
+		return err
+	}
+	defer func() {
+		closeErr := syscall.Close(h)
+		if err == nil {
+			err = closeErr
+		}
+	}()
+	bFileTime := syscall.NsecToFiletime(btime.UnixNano())
+	return syscall.SetFileTime(h, &bFileTime, nil, nil)
+}