From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Ihor Radchenko Newsgroups: gmane.emacs.bugs Subject: bug#64821: 30.0.50; write-region errs when overwriting an already open file Date: Mon, 24 Jul 2023 07:12:00 +0000 Message-ID: <87y1j53hrz.fsf@localhost> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="7111"; mail-complaints-to="usenet@ciao.gmane.io" To: 64821@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Mon Jul 24 09:13:35 2023 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1qNpl8-0001dd-HJ for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 24 Jul 2023 09:13:34 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qNpkn-0003NZ-PC; 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Evaluate the following in scratch buffer (with-temp-buffer (insert "test") (write-region nil nil "/tmp/1.txt")) 3. Open /tmp/1.txt 4. Evaluate the above sexp multiple times 5. Observe Debugger entered--Lisp error: (wrong-type-argument stringp nil) expand-file-name(nil) userlock--check-content-unchanged("/tmp/1.txt") userlock--ask-user-about-supersession-threat("/tmp/1.txt") write-region(nil nil "/tmp/1.txt") (progn (insert "test") (write-region nil nil "/tmp/1.txt")) (unwind-protect (progn (insert "test") (write-region nil nil "/tmp/1.txt")) (and (buffer-name temp-buffer) (kill-buffer temp-buffer))) (save-current-buffer (set-buffer temp-buffer) (unwind-protect (progn (insert "test") (write-region nil nil "/tmp/1.txt")) (and (buffer-name temp-buffer) (kill-buffer temp-buffer)))) (let ((temp-buffer (generate-new-buffer " *temp*" t))) (save-current-buffer (set-buffer temp-buffer) (unwind-protect (progn (insert "test") (write-region nil nil "/tmp/1.txt")) (and (buffer-name temp-buffer) (kill-buffer temp-buffer))))) (progn (let ((temp-buffer (generate-new-buffer " *temp*" t))) (save-current-buffer (set-buffer temp-buffer) (unwind-protect (progn (insert "test") (write-region nil nil "/tmp/1.txt")) (and (buffer-name temp-buffer) (kill-buffer temp-buffer)))))) elisp--eval-last-sexp(nil) eval-last-sexp(nil) funcall-interactively(eval-last-sexp nil) command-execute(eval-last-sexp) Expected: No error is thrown. In GNU Emacs 30.0.50 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.38, cairo version 1.17.8) of 2023-07-21 built on localhost Repository revision: 7f77120683d6f150e61e11b41d75ba16ee5210a4 Repository branch: master Windowing system distributor 'The X.Org Foundation', version 11.0.12101008 System Description: Gentoo Linux -- Ihor Radchenko // yantar92, Org mode contributor, Learn more about Org mode at . Support Org development at , or support my work at