storage: git.Storer move to storage.Storer and module handling

3 files changed, 25 insertions, 4 deletions

diff --git a/storage/filesystem/internal/dotgit/dotgit.go b/storage/filesystem/internal/dotgit/dotgit.go
index accf9ca..360b3d1 100644
--- a/storage/filesystem/internal/dotgit/dotgit.go
+++ b/storage/filesystem/internal/dotgit/dotgit.go
@@ -20,10 +20,10 @@ const (
 	configPath     = "config"
 	indexPath      = "index"
 	shallowPath    = "shallow"
-
-	objectsPath = "objects"
-	packPath    = "pack"
-	refsPath    = "refs"
+	modulePath     = "module"
+	objectsPath    = "objects"
+	packPath       = "pack"
+	refsPath       = "refs"
 
 	packExt = ".pack"
 	idxExt  = ".idx"
@@ -390,6 +390,11 @@ func (d *DotGit) readReferenceFile(refsPath, refFile string) (ref *plumbing.Refe
 	return plumbing.NewReferenceFromStrings(refFile, line), nil
 }
 
+// Module return a billy.Filesystem poiting to the module folder
+func (d *DotGit) Module(name string) billy.Filesystem {
+	return d.fs.Dir(d.fs.Join(modulePath, name))
+}
+
 func isHex(s string) bool {
 	for _, b := range []byte(s) {
 		if isNum(b) {
diff --git a/storage/filesystem/module.go b/storage/filesystem/module.go
new file mode 100644
index 0000000..e8985d8
--- /dev/null
+++ b/storage/filesystem/module.go
@@ -0,0 +1,14 @@
+package filesystem
+
+import (
+	"srcd.works/go-git.v4/storage"
+	"srcd.works/go-git.v4/storage/filesystem/internal/dotgit"
+)
+
+type ModuleStorage struct {
+	dir *dotgit.DotGit
+}
+
+func (s *ModuleStorage) Module(name string) (storage.Storer, error) {
+	return NewStorage(s.dir.Module(name))
+}
diff --git a/storage/filesystem/storage.go b/storage/filesystem/storage.go
index 7021d3a..27dd07f 100644
--- a/storage/filesystem/storage.go
+++ b/storage/filesystem/storage.go
@@ -16,6 +16,7 @@ type Storage struct {
 	IndexStorage
 	ShallowStorage
 	ConfigStorage
+	ModuleStorage
 }
 
 // NewStorage returns a new Storage backed by a given `fs.Filesystem`
@@ -32,5 +33,6 @@ func NewStorage(fs billy.Filesystem) (*Storage, error) {
 		IndexStorage:     IndexStorage{dir: dir},
 		ShallowStorage:   ShallowStorage{dir: dir},
 		ConfigStorage:    ConfigStorage{dir: dir},
+		ModuleStorage:    ModuleStorage{dir: dir},
 	}, nil
 }