[elpa] externals/org 048f478 3/3: ob-tangle: Make ls-style file mode regex stricter

[ELPA Syncer]

branch: externals/org
commit 048f4787994c2494b50ed7b4539b1158b054bb04
Author: TEC <tec@tecosaur.com>
Commit: TEC <tec@tecosaur.com>

    ob-tangle: Make ls-style file mode regex stricter
    
    * lisp/ob-tangle (org-babel-interpret-file-mode): Instead of allowing 9
    characters from [rwx-], require [r-][w-][x-] repeated thrice.  This no
    longer allows invalid ls-style file modes.
---
 lisp/ob-tangle.el | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lisp/ob-tangle.el b/lisp/ob-tangle.el
index 7484ffe..3a38745 100644
--- a/lisp/ob-tangle.el
+++ b/lisp/ob-tangle.el
@@ -327,8 +327,9 @@ Did you give the decimal value %1$d by mistake?" mode)))
    ((string-match-p "^o0?[0-7][0-7][0-7]$" mode)
     (string-to-number (replace-regexp-in-string "^o" "" mode) 8))
    ((string-match-p 
"^[ugoa]*\\(?:[+-=][rwxXstugo]*\\)+\\(,[ugoa]*\\(?:[+-=][rwxXstugo]*\\)+\\)*$" 
mode)
+    ;; Match regexp taken from `file-modes-symbolic-to-number'.
     (file-modes-symbolic-to-number mode org-babel-tangle-default-mode))
-   ((string-match-p "^[rwx-]\\{9\\}$" mode)
+   ((string-match-p "^\\(?:[r-][w-][x-]\\)\\{3\\}$" mode)
     (file-modes-symbolic-to-number (concat  "u=" (substring mode 0 3)
                                             ",g=" (substring mode 3 6)
                                             ",a=" (substring mode 6 9))