9 files changed, 47 insertions, 10 deletions
diff --git a/plumbing/object/change_adaptor_test.go b/plumbing/object/change_adaptor_test.go
index 317c0d6..dd2921d 100644
--- a/plumbing/object/change_adaptor_test.go
+++ b/plumbing/object/change_adaptor_test.go
@@ -10,7 +10,7 @@ import (
 	"gopkg.in/src-d/go-git.v4/utils/merkletrie"
 	"gopkg.in/src-d/go-git.v4/utils/merkletrie/noder"
 
-	"github.com/src-d/go-git-fixtures"
+	"gopkg.in/src-d/go-git-fixtures.v3"
 	. "gopkg.in/check.v1"
 )
 
diff --git a/plumbing/object/change_test.go b/plumbing/object/change_test.go
index ded7ff2..7036fa3 100644
--- a/plumbing/object/change_test.go
+++ b/plumbing/object/change_test.go
@@ -10,8 +10,8 @@ import (
 	"gopkg.in/src-d/go-git.v4/storage/filesystem"
 	"gopkg.in/src-d/go-git.v4/utils/merkletrie"
 
-	fixtures "github.com/src-d/go-git-fixtures"
 	. "gopkg.in/check.v1"
+	"gopkg.in/src-d/go-git-fixtures.v3"
 )
 
 type ChangeSuite struct {
diff --git a/plumbing/object/commit_test.go b/plumbing/object/commit_test.go
index 5df71dc..3f178a8 100644
--- a/plumbing/object/commit_test.go
+++ b/plumbing/object/commit_test.go
@@ -6,10 +6,10 @@ import (
 	"strings"
 	"time"
 
-	"github.com/src-d/go-git-fixtures"
 	"gopkg.in/src-d/go-git.v4/plumbing"
 
 	. "gopkg.in/check.v1"
+	"gopkg.in/src-d/go-git-fixtures.v3"
 	"gopkg.in/src-d/go-git.v4/storage/filesystem"
 )
 
diff --git a/plumbing/object/difftree_test.go b/plumbing/object/difftree_test.go
index eb68d4d..c9344b8 100644
--- a/plumbing/object/difftree_test.go
+++ b/plumbing/object/difftree_test.go
@@ -11,7 +11,7 @@ import (
 	"gopkg.in/src-d/go-git.v4/storage/memory"
 	"gopkg.in/src-d/go-git.v4/utils/merkletrie"
 
-	"github.com/src-d/go-git-fixtures"
+	"gopkg.in/src-d/go-git-fixtures.v3"
 	. "gopkg.in/check.v1"
 )
 
diff --git a/plumbing/object/file_test.go b/plumbing/object/file_test.go
index 8c8634d..2288697 100644
--- a/plumbing/object/file_test.go
+++ b/plumbing/object/file_test.go
@@ -8,7 +8,7 @@ import (
 	"gopkg.in/src-d/go-git.v4/plumbing/storer"
 	"gopkg.in/src-d/go-git.v4/storage/filesystem"
 
-	"github.com/src-d/go-git-fixtures"
+	"gopkg.in/src-d/go-git-fixtures.v3"
 	. "gopkg.in/check.v1"
 )
 
diff --git a/plumbing/object/object_test.go b/plumbing/object/object_test.go
index 6d9028f..2ac5d12 100644
--- a/plumbing/object/object_test.go
+++ b/plumbing/object/object_test.go
@@ -11,7 +11,7 @@ import (
 	"gopkg.in/src-d/go-git.v4/plumbing/storer"
 	"gopkg.in/src-d/go-git.v4/storage/filesystem"
 
-	"github.com/src-d/go-git-fixtures"
+	"gopkg.in/src-d/go-git-fixtures.v3"
 	. "gopkg.in/check.v1"
 )
 
diff --git a/plumbing/object/tag_test.go b/plumbing/object/tag_test.go
index 9f2d28c..608fe72 100644
--- a/plumbing/object/tag_test.go
+++ b/plumbing/object/tag_test.go
@@ -6,12 +6,12 @@ import (
 	"strings"
 	"time"
 
-	"github.com/src-d/go-git-fixtures"
 	"gopkg.in/src-d/go-git.v4/plumbing"
 	"gopkg.in/src-d/go-git.v4/storage/filesystem"
 	"gopkg.in/src-d/go-git.v4/storage/memory"
 
 	. "gopkg.in/check.v1"
+	"gopkg.in/src-d/go-git-fixtures.v3"
 )
 
 type TagSuite struct {
diff --git a/plumbing/object/tree.go b/plumbing/object/tree.go
index 44ac720..2fcd979 100644
--- a/plumbing/object/tree.go
+++ b/plumbing/object/tree.go
@@ -136,9 +136,9 @@ func (t *Tree) dir(baseName string) (*Tree, error) {
 	}
 
 	tree := &Tree{s: t.s}
-	tree.Decode(obj)
+	err = tree.Decode(obj)
 
-	return tree, nil
+	return tree, err
 }
 
 var errEntryNotFound = errors.New("entry not found")
diff --git a/plumbing/object/tree_test.go b/plumbing/object/tree_test.go
index 796d979..3a687dd 100644
--- a/plumbing/object/tree_test.go
+++ b/plumbing/object/tree_test.go
@@ -1,6 +1,7 @@
 package object
 
 import (
+	"errors"
 	"io"
 
 	"gopkg.in/src-d/go-git.v4/plumbing"
@@ -8,8 +9,8 @@ import (
 	"gopkg.in/src-d/go-git.v4/plumbing/storer"
 	"gopkg.in/src-d/go-git.v4/storage/filesystem"
 
-	fixtures "github.com/src-d/go-git-fixtures"
 	. "gopkg.in/check.v1"
+	"gopkg.in/src-d/go-git-fixtures.v3"
 )
 
 type TreeSuite struct {
@@ -113,6 +114,42 @@ func (s *TreeSuite) TestFindEntry(c *C) {
 	c.Assert(e.Name, Equals, "foo.go")
 }
 
+// Overrides returned plumbing.EncodedObject for given hash.
+// Otherwise, delegates to actual storer to get real object
+type fakeStorer struct {
+	storer.EncodedObjectStorer
+	hash plumbing.Hash
+	fake fakeEncodedObject
+}
+
+func (fs fakeStorer) EncodedObject(t plumbing.ObjectType, h plumbing.Hash) (plumbing.EncodedObject, error) {
+	if fs.hash == h {
+		return fs.fake, nil
+	}
+	return fs.EncodedObjectStorer.EncodedObject(t, h)
+}
+
+// Overrides reader of plumbing.EncodedObject to simulate read error
+type fakeEncodedObject struct{ plumbing.EncodedObject }
+
+func (fe fakeEncodedObject) Reader() (io.ReadCloser, error) {
+	return nil, errors.New("Simulate encoded object can't be read")
+}
+
+func (s *TreeSuite) TestDir(c *C) {
+	vendor, err := s.Tree.dir("vendor")
+	c.Assert(err, IsNil)
+
+	t, err := GetTree(s.Tree.s, s.Tree.ID())
+	c.Assert(err, IsNil)
+	o, err := t.s.EncodedObject(plumbing.AnyObject, vendor.ID())
+	c.Assert(err, IsNil)
+
+	t.s = fakeStorer{t.s, vendor.ID(), fakeEncodedObject{o}}
+	_, err = t.dir("vendor")
+	c.Assert(err, NotNil)
+}
+
 // This plumbing.EncodedObject implementation has a reader that only returns 6
 // bytes at a time, this should simulate the conditions when a read
 // returns less bytes than asked, for example when reading a hash which