Handle io.EOF error in commitFileIter.ForEach

Signed-off-by: knqyf263 <knqyf263@gmail.com>

Author: knqyf263

plumbing/object/commit_walker_file.go

@@ -128,7 +128,9 @@ func isParentHash(hash plumbing.Hash, commit *Commit) bool {
 func (c *commitFileIter) ForEach(cb func(*Commit) error) error {
 	for {
 		commit, nextErr := c.Next()
-		if nextErr != nil {
+		if nextErr == io.EOF {
+			break
+		} else if nextErr != nil {
 			return nextErr
 		}
 		err := cb(commit)
@@ -138,6 +140,7 @@ func (c *commitFileIter) ForEach(cb func(*Commit) error) error {
 			return err
 		}
 	}
+	return nil
 }
 
 func (c *commitFileIter) Close() {

repository_test.go

@@ -13,7 +13,6 @@ import (
 	"testing"
 	"time"
 
-	fixtures "gopkg.in/src-d/go-git-fixtures.v3"
 
 	"golang.org/x/crypto/openpgp"
 	"golang.org/x/crypto/openpgp/armor"
@@ -33,6 +32,7 @@ import (
 	"gopkg.in/src-d/go-billy.v4/memfs"
 	"gopkg.in/src-d/go-billy.v4/osfs"
 	"gopkg.in/src-d/go-billy.v4/util"
+	"gopkg.in/src-d/go-git-fixtures.v3"
 )
 
 type RepositorySuite struct {