utils: fs, new memory filesystem (#108)

* utils: fs, new memory filesystem

* utils: fs, renamed os.NewOS to os.New

* utils: fs, memory changes requested by @alcortes

Author: mcuadros

fixtures/fixtures.go

@@ -181,7 +181,7 @@ func (f *Fixture) DotGit() fs.Filesystem {
 	}
 
 	folders = append(folders, path)
-	return osfs.NewOS(path)
+	return osfs.New(path)
 }
 
 type Fixtures []*Fixture

remote_test.go

@@ -101,7 +101,7 @@ func (s *RemoteSuite) TestFetchObjectStorageWriter(c *C) {
 	defer os.RemoveAll(dir) // clean up
 
 	var sto Storage
-	sto, err = filesystem.NewStorage(osfs.NewOS(dir))
+	sto, err = filesystem.NewStorage(osfs.New(dir))
 	c.Assert(err, IsNil)
 
 	r := newRemote(sto, &config.RemoteConfig{Name: "foo", URL: RepositoryFixture})

repository.go

@@ -33,7 +33,7 @@ func NewMemoryRepository() *Repository {
 // based on a fs.OS, if you want to use a custom one you need to use the function
 // NewRepository and build you filesystem.Storage
 func NewFilesystemRepository(path string) (*Repository, error) {
-	s, err := filesystem.NewStorage(osfs.NewOS(path))
+	s, err := filesystem.NewStorage(osfs.New(path))
 	if err != nil {
 		return nil, err
 	}

storage/filesystem/config_test.go

@@ -25,7 +25,7 @@ func (s *ConfigSuite) SetUpTest(c *C) {
 	tmp, err := ioutil.TempDir("", "go-git-filestystem-config")
 	c.Assert(err, IsNil)
 
-	s.dir = dotgit.New(os.NewOS(tmp))
+	s.dir = dotgit.New(os.New(tmp))
 	s.path = tmp
 }
 

storage/filesystem/internal/dotgit/dotgit_test.go

@@ -27,7 +27,7 @@ func (s *SuiteDotGit) TestSetRefs(c *C) {
 	c.Assert(err, IsNil)
 	defer os.RemoveAll(tmp)
 
-	fs := osfs.NewOS(tmp)
+	fs := osfs.New(tmp)
 	dir := New(fs)
 
 	err = dir.SetRef(core.NewReferenceFromStrings(
@@ -189,7 +189,7 @@ func (s *SuiteDotGit) TestNewObject(c *C) {
 	c.Assert(err, IsNil)
 	defer os.RemoveAll(tmp)
 
-	fs := osfs.NewOS(tmp)
+	fs := osfs.New(tmp)
 	dir := New(fs)
 	w, err := dir.NewObject()
 	c.Assert(err, IsNil)

storage/filesystem/internal/dotgit/writers_test.go

@@ -24,7 +24,7 @@ func (s *SuiteDotGit) TestNewObjectPack(c *C) {
 
 	defer os.RemoveAll(dir)
 
-	fs := osfs.NewOS(dir)
+	fs := osfs.New(dir)
 	dot := New(fs)
 
 	w, err := dot.NewObjectPack()

utils/binary/read_test.go

@@ -6,7 +6,7 @@ import (
 	"testing"
 
 	. "gopkg.in/check.v1"
-	"gopkg.in/src-d/go-git.v3/core"
+	"gopkg.in/src-d/go-git.v4/core"
 )
 
 func Test(t *testing.T) { TestingT(t) }