Add poc for local fs repos

src/internal/kopia/conn.go

@@ -96,6 +96,8 @@ func (w *conn) Initialize(
 	opts repository.Options,
 	retentionOpts repository.Retention,
 ) error {
+	w.storage.Provider = storage.ProviderFS
+
 	bst, err := blobStoreByProvider(ctx, opts, w.storage)
 	if err != nil {
 		return clues.Wrap(err, "initializing storage")
@@ -154,6 +156,8 @@ func (w *conn) Initialize(
 }
 
 func (w *conn) Connect(ctx context.Context, opts repository.Options) error {
+	w.storage.Provider = storage.ProviderFS
+
 	bst, err := blobStoreByProvider(ctx, opts, w.storage)
 	if err != nil {
 		return clues.Wrap(err, "initializing storage")
@@ -225,6 +229,8 @@ func blobStoreByProvider(
 	switch s.Provider {
 	case storage.ProviderS3:
 		return s3BlobStorage(ctx, opts, s)
+	case storage.ProviderFS:
+		return localFSBlobStorage(ctx, opts, s)
 	default:
 		return nil, clues.New("storage provider details are required").WithClues(ctx)
 	}

src/internal/kopia/s3.go

@@ -2,9 +2,11 @@ package kopia
 
 import (
 	"context"
+	"os"
 
 	"github.com/alcionai/clues"
 	"github.com/kopia/kopia/repo/blob"
+	"github.com/kopia/kopia/repo/blob/filesystem"
 	"github.com/kopia/kopia/repo/blob/s3"
 
 	"github.com/alcionai/corso/src/pkg/control/repository"
@@ -54,3 +56,20 @@ func s3BlobStorage(
 
 	return store, nil
 }
+
+func localFSBlobStorage(
+	ctx context.Context,
+	repoOpts repository.Options,
+	s storage.Storage,
+) (blob.Storage, error) {
+	opts := filesystem.Options{
+		Path: os.Getenv("filesystem_path"),
+	}
+
+	store, err := filesystem.New(ctx, &opts, false)
+	if err != nil {
+		return nil, clues.Stack(err).WithClues(ctx)
+	}
+
+	return store, nil
+}

src/pkg/storage/storage.go

@@ -14,6 +14,7 @@ type storageProvider int
 const (
 	ProviderUnknown storageProvider = 0 // Unknown Provider
 	ProviderS3      storageProvider = 1 // S3
+	ProviderFS      storageProvider = 2 // local or network attached file system
 )
 
 // storage parsing errors