GNU bug report logs - #18874
24.4; rgrep doesn't obey grep-scroll-output

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: bug-gnu-emacs <at> gnu.org
Subject: 24.4; rgrep doesn't obey grep-scroll-output
Date: Tue, 28 Oct 2014 18:40:23 +0200

To reproduce:

  emacs -Q
  M-: (setq-default grep-scroll-output t) RET
  M-x rgrep RET <any arguments and directory you want here> RET

Result: the *grep* buffer is not scrolled to follow EOB, but instead
Emacs shows the top of the buffer all the time.

If I invoke "M-x grep" instead, the buffer is scrolled as expected.


In GNU Emacs 24.4.1 (i686-pc-mingw32)
 of 2014-10-17 on HOME-C4E4A596F7
Windowing system distributor `Microsoft Corp.', version 5.1.2600
Configured using:
 `configure --prefix=/d/usr'

Important settings:
  value of $LANG: ENU
  locale-coding-system: cp1255

Major mode: Lisp Interaction

Minor modes in effect:
  tooltip-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
  line-number-mode: t
  transient-mark-mode: t

Recent input:
M-x r e p o r t - e m a c s - b u <tab> <return>

Recent messages:
For information about GNU Emacs and the GNU system, type C-h C-a.

Load-path shadows:
None found.

Features:
(shadow sort gnus-util mail-extr emacsbug message format-spec rfc822 mml
easymenu mml-sec mm-decode mm-bodies mm-encode mail-parse rfc2231
mailabbrev gmm-utils mailheader sendmail rfc2047 rfc2045 ietf-drums
mm-util help-fns mail-prsvr mail-utils time-date tooltip electric
uniquify ediff-hook vc-hooks lisp-float-type mwheel dos-w32 ls-lisp
w32-common-fns disp-table w32-win w32-vars tool-bar dnd fontset image
regexp-opt fringe tabulated-list newcomment lisp-mode prog-mode register
page menu-bar rfn-eshadow timer select scroll-bar mouse jit-lock
font-lock syntax facemenu font-core frame cham georgian utf-8-lang
misc-lang vietnamese tibetan thai tai-viet lao korean japanese hebrew
greek romanian slovak czech european ethiopic indian cyrillic chinese
case-table epa-hook jka-cmpr-hook help simple abbrev minibuffer 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 make-network-process w32notify w32
multi-tty emacs)

Memory information:
((conses 8 74199 6912)
 (symbols 32 17521 0)
 (miscs 32 33 128)
 (strings 16 10790 4204)
 (string-bytes 1 269248)
 (vectors 8 9549)
 (vector-slots 4 384741 6010)
 (floats 8 57 92)
 (intervals 28 232 95)
 (buffers 508 11))

Message #10 received at 18874-done <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: 18874-done <at> debbugs.gnu.org
Subject: Re: bug#18874: 24.4; rgrep doesn't obey grep-scroll-output
Date: Wed, 29 Oct 2014 17:19:23 +0200

> Date: Tue, 28 Oct 2014 18:40:23 +0200
> From: Eli Zaretskii <eliz <at> gnu.org>
> 
> To reproduce:
> 
>   emacs -Q
>   M-: (setq-default grep-scroll-output t) RET
>   M-x rgrep RET <any arguments and directory you want here> RET
> 
> Result: the *grep* buffer is not scrolled to follow EOB, but instead
> Emacs shows the top of the buffer all the time.

We were shooting ourselves in the foot by forcing the window-start of
the *grep* buffer.

Fixed in revision 117630 on the emacs-24 branch.

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