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-rw-r--r--lisp/progmodes/executable.el19
1 files changed, 9 insertions, 10 deletions
diff --git a/lisp/progmodes/executable.el b/lisp/progmodes/executable.el
index a305393c7d8..7b08df8b85f 100644
--- a/lisp/progmodes/executable.el
+++ b/lisp/progmodes/executable.el
@@ -269,16 +269,15 @@ file modes."
269 (save-restriction 269 (save-restriction
270 (widen) 270 (widen)
271 (string= "#!" (buffer-substring (point-min) (+ 2 (point-min))))) 271 (string= "#!" (buffer-substring (point-min) (+ 2 (point-min)))))
272 (condition-case nil 272 ;; Eg file-modes can return nil (bug#9879). It should not,
273 (let* ((current-mode (file-modes (buffer-file-name))) 273 ;; in this context, but we should handle it all the same.
274 (add-mode (logand ?\111 (default-file-modes)))) 274 (with-demoted-errors "Unable to make file executable: %s"
275 (or (/= (logand ?\111 current-mode) 0) 275 (let* ((current-mode (file-modes (buffer-file-name)))
276 (zerop add-mode) 276 (add-mode (logand ?\111 (default-file-modes))))
277 (set-file-modes (buffer-file-name) 277 (or (/= (logand ?\111 current-mode) 0)
278 (logior current-mode add-mode)))) 278 (zerop add-mode)
279 ;; Eg file-modes can return nil (bug#9879). It should not, 279 (set-file-modes (buffer-file-name)
280 ;; in this context, but we should handle it all the same. 280 (logior current-mode add-mode)))))))
281 (error (message "Unable to make file executable")))))
282 281
283(provide 'executable) 282(provide 'executable)
284 283