No Wayman writes:
Subsequent tangles did not fail for me.
Ah yes, I understand, it is possible to delete a file without write
permission.
I'll see if I can fix this bug and keep the security improvements. In
the meantime, you can apply the attached patch that should fix
your issue.
Thank you for the report.
--
Sébastien Miquel
diff --git a/lisp/ob-tangle.el b/lisp/ob-tangle.el
index 36144d6ae..c041ff4b3 100644
--- a/lisp/ob-tangle.el
+++ b/lisp/ob-tangle.el
@@ -270,9 +270,10 @@ matching a regular expression."
(make-directory fnd 'parents))
;; erase previous file and set permissions on empty
;; file before writing
- (write-region "" nil file-name nil 0)
- (mapc (lambda (mode) (set-file-modes file-name mode)) modes)
+ (when (file-exists-p file-name)
+ (delete-file file-name))
(write-region nil nil file-name)
+ (mapc (lambda (mode) (set-file-modes file-name mode)) modes)
(push file-name path-collector))))))
(if (equal arg '(4))
(org-babel-tangle-single-block 1 t)
