internal/rosa: do not hard code filename prefix

The hardcoded name is not correct for externally registered files.

Signed-off-by: Ophestra <cat@gensokyo.uk>

1 files changed, 6 insertions, 1 deletions

diff --git a/cmd/mbf/main.go b/cmd/mbf/main.go
index 115ca1a2..eb250ec8 100644
--- a/cmd/mbf/main.go
+++ b/cmd/mbf/main.go
@@ -178,12 +178,17 @@ func main() {
 		}
 
 		if azaleaPath != "" {
+			prefix := azaleaPath
+			if prefix[len(prefix)-1] != '/' {
+				prefix += "/"
+			}
+
 			var root *os.Root
 			if a, err := check.NewAbs(azaleaPath); err != nil {
 				return err
 			} else if root, err = os.OpenRoot(a.String()); err != nil {
 				return err
-			} else if err = builtin.RegisterFS(root.FS()); err != nil {
+			} else if err = builtin.RegisterFS(root.FS(), prefix); err != nil {
 				return err
 			}
 		}