Return io.EOF on OdbReadStream.Read()

This change makes OdbReadStream.Read() comply with the usual io.Reader
semantics.

1 files changed, 4 insertions, 0 deletions

diff --git a/odb.go b/odb.go
index f236fc4..fd27363 100644
--- a/odb.go
+++ b/odb.go
@@ -8,6 +8,7 @@ extern void _go_git_odb_backend_free(git_odb_backend *backend);
 */
 import "C"
 import (
+	"io"
 	"reflect"
 	"runtime"
 	"unsafe"
@@ -287,6 +288,9 @@ func (stream *OdbReadStream) Read(data []byte) (int, error) {
 	if ret < 0 {
 		return 0, MakeGitError(ret)
 	}
+	if ret == 0 {
+		return 0, io.EOF
+	}
 
 	header.Len = int(ret)