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bug#30624: 27.0.50; dired-create-destination-dirs doesn't work when rena


From: Tino Calancha
Subject: bug#30624: 27.0.50; dired-create-destination-dirs doesn't work when renaming more than one file
Date: Sun, 1 Apr 2018 20:08:07 +0900 (JST)
User-agent: Alpine 2.20 (DEB 67 2015-01-07)



On Mon, 19 Mar 2018, Eli Zaretskii wrote:

From: Amos Bird <address@hidden>
Date: Tue, 27 Feb 2018 10:29:09 +0800

I'm using emacs 27.0.50 and have dired-create-destination-dirs set
to 'always.
When renaming more than one files to a new directory, dired throws
an error at
/usr/local/share/emacs/27.0.50/lisp/dired-aux.el.gz:1891 . It
fails early before
it has time to check whether a new directory should be created.

Thank you very much for your report Amos!

I would be enough to call `dired-maybe-create-dirs' right before
binding `into-dir', as follows:


--8<-----------------------------cut here---------------start------------->8---
commit a89518cfb2f57509d3f0e31ddfe097f56e95c484
Author: Tino Calancha <address@hidden>
Date:   Sun Apr 1 19:54:23 2018 +0900

    Honor dired-create-destination-dirs if copying/renaming >1 files

    Check `dired-create-destination-dirs' when the user wants to
    copy/rename several files.
    * lisp/dired-aux.el (dired-do-create-files):
    Call `dired-maybe-create-dirs' right before bind `into-dir' (Bug#30624).

diff --git a/lisp/dired-aux.el b/lisp/dired-aux.el
index e8b5e6755e..821b7d7975 100644
--- a/lisp/dired-aux.el
+++ b/lisp/dired-aux.el
@@ -1864,29 +1864,31 @@ dired-do-create-files
                    (dired-mark-read-file-name
                     (concat (if dired-one-file op1 operation) " %s to: ")
                     target-dir op-symbol arg rfn-list default))))
-        (into-dir (cond ((null how-to)
-                         ;; Allow users to change the letter case of
-                         ;; a directory on a case-insensitive
-                         ;; filesystem.  If we don't test these
-                         ;; conditions up front, file-directory-p
-                         ;; below will return t on a case-insensitive
-                         ;; filesystem, and Emacs will try to move
-                         ;; foo -> foo/foo, which fails.
-                         (if (and (file-name-case-insensitive-p (car fn-list))
-                                  (eq op-symbol 'move)
-                                  dired-one-file
-                                  (string= (downcase
-                                            (expand-file-name (car fn-list)))
-                                           (downcase
-                                            (expand-file-name target)))
-                                  (not (string=
-                                        (file-name-nondirectory (car fn-list))
-                                        (file-name-nondirectory target))))
-                             nil
-                           (file-directory-p target)))
-                        ((eq how-to t) nil)
-                        (t (funcall how-to target)))))
+        (into-dir
+          (progn
+            (unless dired-one-file (dired-maybe-create-dirs target))
+            (cond ((null how-to)
+                  ;; Allow users to change the letter case of
+                  ;; a directory on a case-insensitive
+                  ;; filesystem.  If we don't test these
+                  ;; conditions up front, file-directory-p
+                  ;; below will return t on a case-insensitive
+                  ;; filesystem, and Emacs will try to move
+                  ;; foo -> foo/foo, which fails.
+                  (if (and (file-name-case-insensitive-p (car fn-list))
+                           (eq op-symbol 'move)
+                           dired-one-file
+                           (string= (downcase
+                                     (expand-file-name (car fn-list)))
+                                    (downcase
+                                     (expand-file-name target)))
+                           (not (string=
+                                 (file-name-nondirectory (car fn-list))
+                                 (file-name-nondirectory target))))
+                      nil
+                    (file-directory-p target)))
+                 ((eq how-to t) nil)
+                 (t (funcall how-to target))))))
     (if (and (consp into-dir) (functionp (car into-dir)))
        (apply (car into-dir) operation rfn-list fn-list target (cdr into-dir))
       (if (not (or dired-one-file into-dir))
--8<-----------------------------cut here---------------end--------------->8---
In GNU Emacs 27.0.50 (build 10, x86_64-pc-linux-gnu, GTK+ Version 3.22.11)
 of 2018-03-30 built on calancha-pc
Repository revision: f759c5cfe4651af5f64fac2492fa362f8d383bd5






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