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