From 20a4649a0f2087e2637884b565a0c33158178ee3 Mon Sep 17 00:00:00 2001
From: Adin Schmahmann <adin.schmahmann@gmail.com>
Date: Mon, 2 Dec 2019 19:39:15 -0500
Subject: [PATCH] update datastore interface

---
 flatfs.go | 10 ++++++++++
 go.mod    |  2 +-
 go.sum    |  4 ++--
 3 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/flatfs.go b/flatfs.go
index 873e3d4..de2514a 100644
--- a/flatfs.go
+++ b/flatfs.go
@@ -388,6 +388,16 @@ func (fs *Datastore) Put(key datastore.Key, value []byte) error {
 	return err
 }
 
+func (fs *Datastore) Sync(prefix datastore.Key) error {
+	fs.shutdownLock.RLock()
+	defer fs.shutdownLock.RUnlock()
+	if fs.shutdown {
+		return ErrClosed
+	}
+
+	return nil
+}
+
 func (fs *Datastore) doOp(oper *op) error {
 	switch oper.typ {
 	case opPut:
diff --git a/go.mod b/go.mod
index 0084a83..11f14d5 100644
--- a/go.mod
+++ b/go.mod
@@ -1,7 +1,7 @@
 module github.com/ipfs/go-ds-flatfs
 
 require (
-	github.com/ipfs/go-datastore v0.2.0
+	github.com/ipfs/go-datastore v0.3.0
 	github.com/ipfs/go-log v0.0.1
 	github.com/jbenet/goprocess v0.1.3
 )
diff --git a/go.sum b/go.sum
index 83ef54c..408cd41 100644
--- a/go.sum
+++ b/go.sum
@@ -6,8 +6,8 @@ github.com/gogo/protobuf v1.2.1 h1:/s5zKNz0uPFCZ5hddgPdo2TK2TVrUNMn0OOX8/aZMTE=
 github.com/gogo/protobuf v1.2.1/go.mod h1:hp+jE20tsWTFYpLwKvXlhS1hjn+gTNwPg2I6zVXpSg4=
 github.com/google/uuid v1.1.1 h1:Gkbcsh/GbpXz7lPftLA3P6TYMwjCLYm83jiFQZF/3gY=
 github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
-github.com/ipfs/go-datastore v0.2.0 h1:5Wjw6YXzZmtqU1MSrlws64+oLmSqea7gEajTcJickh8=
-github.com/ipfs/go-datastore v0.2.0/go.mod h1:w38XXW9kVFNp57Zj5knbKWM2T+KOZCGDRVNdgPHtbHw=
+github.com/ipfs/go-datastore v0.3.0 h1:9au0tYi/+n7xeUnGHG6davnS8x9hWbOzP/388Vx3CMs=
+github.com/ipfs/go-datastore v0.3.0/go.mod h1:w38XXW9kVFNp57Zj5knbKWM2T+KOZCGDRVNdgPHtbHw=
 github.com/ipfs/go-ipfs-delay v0.0.0-20181109222059-70721b86a9a8/go.mod h1:8SP1YXK1M1kXuc4KJZINY3TQQ03J2rwBG9QfXmbRPrw=
 github.com/ipfs/go-log v0.0.1 h1:9XTUN/rW64BCG1YhPK9Hoy3q8nr4gOmHHBpgFdfw6Lc=
 github.com/ipfs/go-log v0.0.1/go.mod h1:kL1d2/hzSpI0thNYjiKfjanbVNU+IIGA/WnNESY9leM=