3 files changed, 9 insertions, 8 deletions
diff --git a/storage/filesystem/dotgit/dotgit_test.go b/storage/filesystem/dotgit/dotgit_test.go
index 4c2ae94..a8f0eb7 100644
--- a/storage/filesystem/dotgit/dotgit_test.go
+++ b/storage/filesystem/dotgit/dotgit_test.go
@@ -3,6 +3,7 @@ package dotgit
 import (
 	"bufio"
 	"encoding/hex"
+	"io"
 	"io/ioutil"
 	"os"
 	"path/filepath"
@@ -510,13 +511,13 @@ func (s *SuiteDotGit) TestObjectPackWithKeepDescriptors(c *C) {
 	c.Assert(filepath.Ext(pack.Name()), Equals, ".pack")
 
 	// Move to an specific offset
-	pack.Seek(42, os.SEEK_SET)
+	pack.Seek(42, io.SeekStart)
 
 	pack2, err := dir.ObjectPack(plumbing.NewHash(f.PackfileHash))
 	c.Assert(err, IsNil)
 
 	// If the file is the same the offset should be the same
-	offset, err := pack2.Seek(0, os.SEEK_CUR)
+	offset, err := pack2.Seek(0, io.SeekCurrent)
 	c.Assert(err, IsNil)
 	c.Assert(offset, Equals, int64(42))
 
@@ -527,7 +528,7 @@ func (s *SuiteDotGit) TestObjectPackWithKeepDescriptors(c *C) {
 	c.Assert(err, IsNil)
 
 	// If the file is opened again its offset should be 0
-	offset, err = pack2.Seek(0, os.SEEK_CUR)
+	offset, err = pack2.Seek(0, io.SeekCurrent)
 	c.Assert(err, IsNil)
 	c.Assert(offset, Equals, int64(0))
 
@@ -653,7 +654,7 @@ func (s *SuiteDotGit) TestObject(c *C) {
 	fs.MkdirAll(incomingDirPath, os.FileMode(0755))
 	fs.Create(incomingFilePath)
 
-	file, err = dir.Object(plumbing.NewHash(incomingHash))
+	_, err = dir.Object(plumbing.NewHash(incomingHash))
 	c.Assert(err, IsNil)
 }
 
diff --git a/storage/filesystem/dotgit/reader.go b/storage/filesystem/dotgit/reader.go
index a82ac94..975f92a 100644
--- a/storage/filesystem/dotgit/reader.go
+++ b/storage/filesystem/dotgit/reader.go
@@ -66,7 +66,7 @@ func (e *EncodedObject) Size() int64 {
 func (e *EncodedObject) SetSize(int64) {}
 
 func (e *EncodedObject) Writer() (io.WriteCloser, error) {
-	return nil, fmt.Errorf("Not supported")
+	return nil, fmt.Errorf("not supported")
 }
 
 func NewEncodedObject(dir *DotGit, h plumbing.Hash, t plumbing.ObjectType, size int64) *EncodedObject {
diff --git a/storage/filesystem/object_test.go b/storage/filesystem/object_test.go
index 59b40d3..19a7914 100644
--- a/storage/filesystem/object_test.go
+++ b/storage/filesystem/object_test.go
@@ -71,7 +71,7 @@ func (s *FsSuite) TestGetFromPackfileKeepDescriptors(c *C) {
 		pack1, err := dg.ObjectPack(packfiles[0])
 		c.Assert(err, IsNil)
 
-		pack1.Seek(42, os.SEEK_SET)
+		pack1.Seek(42, io.SeekStart)
 
 		err = o.Close()
 		c.Assert(err, IsNil)
@@ -79,7 +79,7 @@ func (s *FsSuite) TestGetFromPackfileKeepDescriptors(c *C) {
 		pack2, err := dg.ObjectPack(packfiles[0])
 		c.Assert(err, IsNil)
 
-		offset, err := pack2.Seek(0, os.SEEK_CUR)
+		offset, err := pack2.Seek(0, io.SeekCurrent)
 		c.Assert(err, IsNil)
 		c.Assert(offset, Equals, int64(0))
 
@@ -386,7 +386,7 @@ func (s *FsSuite) TestGetFromObjectFileSharedCache(c *C) {
 	c.Assert(err, IsNil)
 	c.Assert(obj.Hash(), Equals, expected)
 
-	obj, err = o2.EncodedObject(plumbing.CommitObject, expected)
+	_, err = o2.EncodedObject(plumbing.CommitObject, expected)
 	c.Assert(err, Equals, plumbing.ErrObjectNotFound)
 }