[PATCH] ob-tangle.el: Fix error in org-tangle from org-src edit
 buffer

(org-babel-tangle) : Fix stringp error which happens when confirming
successful tangle when `org-babel-tangle` is called from an org-src edit
buffer.

TINYCHANGE
---
 lisp/ob-tangle.el | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lisp/ob-tangle.el b/lisp/ob-tangle.el
index 2f60ef9a4..0768c8588 100644
--- a/lisp/ob-tangle.el
+++ b/lisp/ob-tangle.el
@@ -281,7 +281,10 @@ matching a regular expression."
  (if (= block-counter 1) "" "s")
  (file-name-nondirectory
   (buffer-file-name
-   (or (buffer-base-buffer) (current-buffer)))))
+   (or (buffer-base-buffer)
+                       (current-buffer)
+                       (and (org-src-edit-buffer-p)
+                            (org-src-source-buffer))))))
  ;; run `org-babel-post-tangle-hook' in all tangled files
  (when org-babel-post-tangle-hook
   (mapc
-- 
2.30.1