GNU bug report logs - #24409
25.1.1; dired-jump: Interactive call w/ prefix arg move to wrong file line

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From: Tino Calancha <tino.calancha <at> gmail.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 24409 <at> debbugs.gnu.org, Tino Calancha <tino.calancha <at> gmail.com>
Subject: bug#24409: 25.1.1; dired-jump: Interactive call w/ prefix arg move to wrong file line
Date: Mon, 12 Sep 2016 02:03:14 +0900 (JST)

On Sun, 11 Sep 2016, Eli Zaretskii wrote:

> Thanks.  A few nits:
>
> Please be sure to explain the need for the expand-file-name call
> either in a comment or in the log message.

> Also, you fixed the do string (thanks!), but didn't mention that in
> the log message.
*) Please, take a look in the new patch below with more verbose log 
message/comments.
*) Where should go the fix: emacs-25 branch or master?

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From fcb693f38657c2e47e6bb3116a781bebaea1d3ea Mon Sep 17 00:00:00 2001
From: Tino Calancha <tino.calancha <at> gmail.com>
Date: Mon, 12 Sep 2016 01:53:44 +0900
Subject: [PATCH] dired-jump: Expand file-name before dired-goto-file call

* lisp/dired-x.el (dired-jump): Use expand-file-name on FILE-NAME
before dired-goto-file call: this is mandatory in interactive
calls (Bug#24409); in non-interactive calls is also desirable
in order to accept an abbreviated FILE-NAME as  ~/dir/file.
Clarify in doc string the meaning of arg FILE-NAME.
---
 lisp/dired-x.el | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/lisp/dired-x.el b/lisp/dired-x.el
index 088ca81..2a9bd72 100644
--- a/lisp/dired-x.el
+++ b/lisp/dired-x.el
@@ -413,14 +413,20 @@ dired-jump
 In case the proper Dired file line cannot be found, refresh the dired
 buffer and try again.
 When OTHER-WINDOW is non-nil, jump to Dired buffer in other window.
-Interactively with prefix argument, read FILE-NAME and
-move to its line in dired."
+When FILE-NAME is non-nil, move to FILE-NAME line in Dired.
+Interactively with prefix argument, read FILE-NAME."
   (interactive
    (list nil (and current-prefix-arg
                   (read-file-name "Jump to Dired file: "))))
   (if (bound-and-true-p tar-subfile-mode)
       (switch-to-buffer tar-superior-buffer)
-    (let* ((file (or file-name buffer-file-name))
+    ;; Expand file-name before calling `dired-goto-file':
+    ;; This is required in interactive calls because the return value
+    ;; of `read-file-name' is not expanded; it also helps in
+    ;; non-interactive calls, where file-name could be an abbreviated
+    ;; file name as ~/dir/file (Bug#24409).
+    (let* ((file (or (and file-name (expand-file-name file-name))
+                     buffer-file-name))
            (dir (if file (file-name-directory file) default-directory)))
       (if (and (eq major-mode 'dired-mode) (null file-name))
           (progn
-- 
2.9.3

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In GNU Emacs 25.1.1 (x86_64-pc-linux-gnu, GTK+ Version 3.21.5)
 of 2016-09-12
Repository revision: 0bbdeed10f37d4ce203e1f5feb0cd7c4b5eeec72

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