prototype resumable send & recv

zfs/zfs.go

@@ -13,6 +13,11 @@ import (
 	"github.com/zrepl/zrepl/util"
 )
 
+var CLICompat struct {
+	// whether the CLI supports resumable send & recv
+	ResumableSendRecv bool
+}
+
 type DatasetPath struct {
 	comps []string
 }
@@ -239,6 +244,13 @@ func ZFSRecv(fs *DatasetPath, stream io.Reader, additionalArgs ...string) (err e
 	return nil
 }
 
+func ZFSRecvAbort(fs *DatasetPath) (err error) {
+	if !CLICompat.ResumableSendRecv {
+		panic("decide if this is an error")
+	}
+	panic("not implemented")
+}
+
 func ZFSSet(fs *DatasetPath, prop, val string) (err error) {
 
 	if strings.ContainsRune(prop, '=') {