bug#28828: 27.0.50; move-file-to-trash in files.el fails on non-empty directories

bug#28828: 27.0.50; move-file-to-trash in files.el fails on non-empty directories

[Geoffrey Ferrari]

[-- Attachment #1: Type: text/plain, Size: 29065 bytes --]

Start emacs with emacs -Q

Set delete-by-moving-to trash to t
(setq delete-by-moving-to-trash t)

In dired, try to delete a non-empty directory.

This fails with a message:
"(file-error Non-regular file Is a directory [path]"

The problem appears to be with the function move-file-to-trash in
files.el

In particular, the error is raised at the end of the function when
executing (rename-file fn new-fn) . I can't trace it any further as
this is a compiled function.


In GNU Emacs 27.0.50 (build 1, x86_64-pc-linux-gnu, GTK+ Version
3.22.21)
 of 2017-10-01, unofficial emacs-snapshot build: http://emacs.secretsau
ce.net built on lilbastard
Windowing system distributor 'The X.Org Foundation', version
11.0.11903000
System Description: Debian GNU/Linux testing (buster)

Recent messages:
Quit [2 times]
Mark set
Quit [2 times]
Mark activated
Quit
Mark activated
Quit
Mark set
Quit [2 times]
delete-backward-char: Text is read-only

Configured using:
 'configure --build x86_64-linux-gnu --prefix=/usr
 --sharedstatedir=/var/lib --libexecdir=/usr/lib
 --localstatedir=/var/lib --infodir=/usr/share/info
 --mandir=/usr/share/man --with-pop=yes
 --enable-locallisppath=/etc/emacs-
snapshot:/etc/emacs:/usr/local/share/emacs/27.0.50/site-
lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/27.0.50/site-
lisp:/usr/share/emacs/site-lisp
 --build x86_64-linux-gnu --prefix=/usr --sharedstatedir=/var/lib
 --libexecdir=/usr/lib --localstatedir=/var/lib
 --infodir=/usr/share/info --mandir=/usr/share/man --with-pop=yes
 --enable-locallisppath=/etc/emacs-
snapshot:/etc/emacs:/usr/local/share/emacs/27.0.50/site-
lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/27.0.50/site-
lisp:/usr/share/emacs/site-lisp
 --with-x=yes --with-x-toolkit=gtk3 --with-toolkit-scroll-bars
 'CFLAGS=-g -O2
 -fdebug-prefix-map=/build/emacs-snapshot-d93PW5/emacs-snapshot-
20171001+emacs-25.1-130219-g8136df6a8cb=. -fstack-protector-strong
 -Wformat -Werror=format-security -Wall -fno-omit-frame-pointer'
 'CPPFLAGS=-Wdate-time -D_FORTIFY_SOURCE=2' LDFLAGS=-Wl,-z,relro'

Configured features:
XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS GSETTINGS NOTIFY
ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT LIBOTF XFT ZLIB
TOOLKIT_SCROLL_BARS GTK3 X11 LCMS2

Important settings:
  value of $LANG: en_GB.UTF-8
  locale-coding-system: utf-8-unix

Major mode: Emacs-Lisp

Minor modes in effect:
  diff-auto-refine-mode: t
  tooltip-mode: t
  global-eldoc-mode: t
  eldoc-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
  tool-bar-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  buffer-read-only: t
  line-number-mode: t
  transient-mark-mode: t

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/usr/share/emacs-snapshot/site-lisp/emacs-goodies-el/coffee hides
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Features:
(shadow sort mail-extr emacsbug message subr-x puny seq format-spec
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jka-compr find-func cl-extra pp help-fns radix-tree help-mode cl-print
debug edmacro kmacro cl-macs gv my-elisp-tools vc-git diff-mode
easymenu
byte-opt bytecomp byte-compile cl-loaddefs cl-lib cconv advice
minibuffer-complete-cycle dired dired-loaddefs elec-pair
emacs-goodies-el emacs-goodies-custom emacs-goodies-loaddefs easy-mmode
time-date mule-util tooltip eldoc electric uniquify ediff-hook vc-hooks
lisp-float-type mwheel term/x-win x-win term/common-win x-dnd tool-bar
dnd fontset image regexp-opt fringe tabulated-list replace newcomment
text-mode elisp-mode lisp-mode prog-mode register page menu-bar
rfn-eshadow isearch timer select scroll-bar mouse jit-lock font-lock
syntax facemenu font-core term/tty-colors frame cl-generic cham
georgian
utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao korean
japanese eucjp-ms cp51932 hebrew greek romanian slovak czech european
ethiopic indian cyrillic chinese composite charscript charprop
case-table epa-hook jka-cmpr-hook help simple abbrev obarray minibuffer
cl-preloaded nadvice loaddefs button faces cus-face macroexp files
text-properties overlay sha1 md5 base64 format env code-pages mule
custom widget hashtable-print-readable backquote dbusbind inotify lcms2
dynamic-setting system-font-setting font-render-setting move-toolbar
gtk
x-toolkit x multi-tty make-network-process emacs)

Memory information:
((conses 16 124911 12349)
 (symbols 48 22443 1)
 (miscs 40 158 361)
 (strings 32 35213 1181)
 (string-bytes 1 959702)
 (vectors 16 16812)
 (vector-slots 8 516275 11722)
 (floats 8 62 335)
 (intervals 56 2458 0)
 (buffers 992 19))

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bug#28828: 27.0.50; move-file-to-trash in files.el fails on non-empty directories

[Tino Calancha]

Geoffrey Ferrari <geoffrey.ferrari@oriel.oxon.org> writes:

> Start emacs with emacs -Q
>
> Set delete-by-moving-to trash to t
> (setq delete-by-moving-to-trash t)
>
> In dired, try to delete a non-empty directory.
>
> This fails with a message:
> "(file-error Non-regular file Is a directory [path]"
>
> The problem appears to be with the function move-file-to-trash in
> files.el
>
> In particular, the error is raised at the end of the function when
> executing (rename-file fn new-fn) . I can't trace it any further as
> this is a compiled function.
Thank you.  I believe this is Bug#28792 which has being fixed in
emacs-26 and master branches this week.

> In GNU Emacs 27.0.50 (build 1, x86_64-pc-linux-gnu, GTK+ Version
> 3.22.21)
>  of 2017-10-01, unofficial emacs-snapshot build: http://emacs.secretsau
> ce.net built on lilbastard
I see latest snapshot at http://emacs.secretsauce.net
is from 8 days ago (https://github.com/dkogan/emacs-snapshot); that
means you will get the fix in the next snapshot.