diff --git a/core/installer/soft/repoio.go b/core/installer/soft/repoio.go
index b916d24..b50bcaa 100644
--- a/core/installer/soft/repoio.go
+++ b/core/installer/soft/repoio.go
@@ -30,6 +30,7 @@
 	Writer(path string) (io.WriteCloser, error)
 	CreateDir(path string) error
 	RemoveDir(path string) error
+	ListDir(path string) ([]os.FileInfo, error)
 }
 
 type DoFn func(r RepoFS) (string, error)
@@ -120,6 +121,10 @@
 	return nil
 }
 
+func (r *repoFS) ListDir(path string) ([]os.FileInfo, error) {
+	return r.fs.ReadDir(path)
+}
+
 type repoIO struct {
 	*repoFS
 	repo   *Repository