feat: add versioning dir option to scoutfs backend

This adds the same versioning dir option that is found in the
posix backend to scoutfs backend. Functionality is the same.

backend/scoutfs/scoutfs.go

@@ -35,12 +35,21 @@ import (
 	"github.com/versity/versitygw/s3response"
 )
 
+// ScoutfsOpts are the options for the ScoutFS backend
 type ScoutfsOpts struct {
-	ChownUID         bool
-	ChownGID         bool
-	GlacierMode      bool
-	BucketLinks      bool
-	NewDirPerm       fs.FileMode
+	// ChownUID sets the UID of the object to the UID of the user on PUT
+	ChownUID bool
+	// ChownGID sets the GID of the object to the GID of the user on PUT
+	ChownGID bool
+	// BucketLinks enables symlinks to directories to be treated as buckets
+	BucketLinks bool
+	//VersioningDir sets the version directory to enable object versioning
+	VersioningDir string
+	// NewDirPerm specifies the permission to set on newly created directories
+	NewDirPerm fs.FileMode
+	// GlacierMode enables glacier emulation for offline files
+	GlacierMode bool
+	// DisableNoArchive prevents setting noarchive on temporary files
 	DisableNoArchive bool
 }
 

backend/scoutfs/scoutfs_compat.go

@@ -30,10 +30,11 @@ func New(rootdir string, opts ScoutfsOpts) (*ScoutFS, error) {
 	metastore := meta.XattrMeta{}
 
 	p, err := posix.New(rootdir, metastore, posix.PosixOpts{
-		ChownUID:    opts.ChownUID,
-		ChownGID:    opts.ChownGID,
-		BucketLinks: opts.BucketLinks,
-		NewDirPerm:  opts.NewDirPerm,
+		ChownUID:      opts.ChownUID,
+		ChownGID:      opts.ChownGID,
+		BucketLinks:   opts.BucketLinks,
+		NewDirPerm:    opts.NewDirPerm,
+		VersioningDir: opts.VersioningDir,
 	})
 	if err != nil {
 		return nil, err