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bug#39284: 27.0.60; wdired: change file permissions fails on tramp buffe
From: |
Tino Calancha |
Subject: |
bug#39284: 27.0.60; wdired: change file permissions fails on tramp buffers |
Date: |
Sat, 25 Jan 2020 22:45:30 +0100 |
emacs -Q /tmp -l wdired --eval '(setq wdired-allow-to-change-permissions t)'
M-! touch foo RET
g
;; re-visit Dired buffer as root
C-x d /sudo::/tmp RET
j foo RET
C-x C-q
;; change the permissions for foo
C-a C-f C-f C-f SPC
C-c C-c
;; It fails because it passes the wrong argument to the external chmod.
I propose 2 alternatives patches:
1) Assuming Bug#39280 is fixed, we just need to change 1 line ...:
--8<-----------------------------cut here---------------start------------->8---
commit 6c139e1582645d210f051e547609b524ef6d1ef6
Author: Tino Calancha <tino.calancha@gmail.com>
Date: Sat Jan 25 19:53:20 2020 +0100
Fix bug 39284
* lisp/wdired.el (wdired-do-perm-changes)
Call wdired-get-filename with non-nil.
diff --git a/lisp/wdired.el b/lisp/wdired.el
index 23dc4b9ef5..81071d40be 100644
--- a/lisp/wdired.el
+++ b/lisp/wdired.el
@@ -894,7 +894,7 @@ wdired-do-perm-changes
(point) (next-single-property-change (point) 'end-perm)))
(unless (equal perms-ori perms-new)
(setq changes t)
- (setq filename (wdired-get-filename nil t))
+ (setq filename (wdired-get-filename 'no-dir t))
(if (= (length perms-new) 10)
(progn
(setq perm-tmp
--8<-----------------------------cut here---------------end--------------->8---
2) ... Or replace the call to the external chmod with built-in `set-file-modes'
(this is what `dired-do-chmod' does):
--8<-----------------------------cut here---------------start------------->8---
commit b2e6fc288e55919d54e27d24e478f7815d406514
Author: Tino Calancha <tino.calancha@gmail.com>
Date: Sat Jan 25 22:27:08 2020 +0100
Fix bug 39284
* lisp/wdired.el (wdired-do-perm-changes)
Use set-file-modes instead of external program.
diff --git a/lisp/wdired.el b/lisp/wdired.el
index d470e0a21b..34aa61f9ae 100644
--- a/lisp/wdired.el
+++ b/lisp/wdired.el
@@ -898,9 +898,8 @@ wdired-do-perm-changes
(if (= (length perms-new) 10)
(progn
(setq perm-tmp
- (int-to-string (wdired-perms-to-number perms-new)))
- (unless (equal 0 (process-file dired-chmod-program
- nil nil nil perm-tmp filename))
+ (string-to-number (int-to-string (wdired-perms-to-number
perms-new)) 8))
+ (unless (set-file-modes filename perm-tmp)
(setq errors (1+ errors))
(dired-log "%s %s `%s' failed\n\n"
dired-chmod-program perm-tmp filename)))
--8<-----------------------------cut here---------------end--------------->8---
In GNU Emacs 27.0.60 (build 28, x86_64-pc-linux-gnu, GTK+ Version 3.24.5)
of 2020-01-25 built on calancha-pc.dy.bbexcite.jp
Repository revision: baca81e64141aed076fe088e7160f6e0d4a51c68
Repository branch: emacs-27
Windowing system distributor 'The X.Org Foundation', version 11.0.12004000
System Description: Debian GNU/Linux 10 (buster)
Recent messages:
Tramp: Waiting for prompts from remote shell...done
Tramp: Found remote shell prompt on ‘calancha-pc.dy.bbexcite.jp’
Tramp: Opening connection for root@calancha-pc.dy.bbexcite.jp using sudo...done
Directory has changed on disk; type g to update Dired
Mark set
Press C-c C-c when finished or C-c ESC to abort changes
C-c C-f is undefined
1 rename actions failed--type ? for details
d-elete, u-ndelete, x-punge, f-ind, o-ther window, R-ename, C-opy, h-elp
Tramp: Timeout session /sudo:root@calancha-pc.dy.bbexcite.jp:
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