diff --git a/lisp/version.el b/lisp/version.el
index dc22887..1b18e23 100644
--- a/lisp/version.el
+++ b/lisp/version.el
@@ -118,6 +118,8 @@ emacs-repository-version-git
 
 (defun emacs-repository--version-git-1 (file dir)
   "Internal subroutine of `emacs-repository-get-version'."
+  (message "emacs-repository--version-git-1 %s %s" file dir)
+  (let ((result
   (when (file-readable-p file)
     (with-temp-buffer
       (insert-file-contents file)
@@ -127,6 +129,9 @@ emacs-repository--version-git-1
              (emacs-repository--version-git-1
               (expand-file-name (match-string 1) dir)
               dir))))))
+        )
+    (message "emacs-repository--version-git-1 returns %s" result)
+    result))
 
 (defun emacs-repository-get-version (&optional dir external)
   "Try to return as a string the repository revision of the Emacs sources.