Lars Ingebrigtsen <larsi@HIDDEN>
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From: Lars Ingebrigtsen <larsi@HIDDEN>
To: Yuri Khan <yuri.v.khan@HIDDEN>
Subject: Re: bug#27239: 25.1; grep: current symbol substitutes part of
grep-command
References: <CAP_d_8UVfrjMcbP=q1WnUfGWHoT0oEV83SmZ1ck4siPdzjDTZg@HIDDEN>
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(Yuri Khan's message of "Mon, 5 Jun 2017 00:48:30 +0700")
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Content preview: Yuri Khan <yuri.v.khan@HIDDEN> writes: > $ emacs -Q > >
(setq grep-command "git --no-pager grep --no-index -Hn -E -e ") C-x C-e >
(setq grep-use-null-device nil) C-x C-e > > M-x grep RET > > ⇒ Run grep
(like this): git --no-pager grep -- [...]
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Yuri Khan <yuri.v.khan@HIDDEN> writes:
> $ emacs -Q
>
> (setq grep-command "git --no-pager grep --no-index -Hn -E -e ") C-x C-e
> (setq grep-use-null-device nil) C-x C-e
>
> M-x grep RET
>
> =E2=87=92 Run grep (like this): git --no-pager grep --no-index -Hn -E -e
>
> <down>
>
> =E2=87=92 Run grep (like this): git --no-pager '' --no-index -Hn -E -e
>
> Observed behavior: =E2=80=98grep=E2=80=99 takes the last command from the=
history and
> replaces the first argument that does not start with a hyphen-minus with
> the current symbol. This is not documented anywhere.
(This bug report unfortunately didn't get any response at the time.)
This behaviour is still present in Emacs 28.
> Expected behavior: It would probably make sense to just generate the new
> command by concatenating =E2=80=98grep-command=E2=80=99 and the current s=
ymbol, without
> any heuristics to remove the search pattern from the previous command.
Yes, I think so, too. Anybody have an opinion here?
--=20
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no
bug-gnu-emacs@HIDDEN:bug#27239; Package emacs.
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X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 2001:4830:134:3::11 X-Spam-Score: -4.0 (----) X-Debbugs-Envelope-To: submit X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -4.0 (----) $ emacs -Q (setq grep-command "git --no-pager grep --no-index -Hn -E -e ") C-x C-e (setq grep-use-null-device nil) C-x C-e M-x grep RET =E2=87=92 Run grep (like this): git --no-pager grep --no-index -Hn -E -e <down> =E2=87=92 Run grep (like this): git --no-pager '' --no-index -Hn -E -e Observed behavior: =E2=80=98grep=E2=80=99 takes the last command from the h= istory and replaces the first argument that does not start with a hyphen-minus with the current symbol. This is not documented anywhere. Expected behavior: It would probably make sense to just generate the new command by concatenating =E2=80=98grep-command=E2=80=99 and the current sym= bol, without any heuristics to remove the search pattern from the previous command. In GNU Emacs 25.1.1 (x86_64-pc-linux-gnu, GTK+ Version 3.18.9) of 2016-12-13, modified by Debian built on lgw01-55 Windowing system distributor 'The X.Org Foundation', version 11.0.11804000 System Description: Ubuntu 16.04.2 LTS Configured using: 'configure --build x86_64-linux-gnu --prefix=3D/usr --sharedstatedir=3D/var/lib --libexecdir=3D/usr/lib --localstatedir=3D/var/lib --infodir=3D/usr/share/info --mandir=3D/usr/share/man --with-pop=3Dyes --enable-locallisppath=3D/etc/emacs25:/etc/emacs:/usr/local/share/emacs/25= .1/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/25.1/site-li= sp:/usr/share/emacs/site-lisp --with-sound=3Dalsa --build x86_64-linux-gnu --prefix=3D/usr --sharedstatedir=3D/var/lib --libexecdir=3D/usr/lib --localstatedir=3D/var/lib --infodir=3D/usr/share/info --mandir=3D/usr/share/man --with-pop=3Dyes --enable-locallisppath=3D/etc/emacs25:/etc/emacs:/usr/local/share/emacs/25= .1/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/25.1/site-li= sp:/usr/share/emacs/site-lisp --with-sound=3Dalsa --with-x=3Dyes --with-x-toolkit=3Dgtk3 --with-toolkit-scroll-bars 'CFLAGS=3D-g -O2 -fstack-protector-strong -Wformat -Werror=3Dformat-security -Wall' 'CPPFLAGS=3D-Wdate-time -D_FORTIFY_SOURCE=3D2' 'LDFLAGS=3D-Wl,-Bsymbolic-functions -Wl,-z,relro'' Configured features: XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS GCONF GSETTINGS NOTIFY ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT LIBOTF XFT ZLIB TOOLKIT_SCROLL_BARS GTK3 X11 Important settings: value of $LC_MONETARY: en_RU.UTF-8 value of $LC_NUMERIC: en_RU.UTF-8 value of $LC_TIME: en_RU.UTF-8 value of $LANG: en_US.UTF-8 locale-coding-system: utf-8-unix Major mode: Lisp Interaction Minor modes in effect: shell-dirtrack-mode: t tooltip-mode: t global-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 line-number-mode: t transient-mark-mode: t Recent messages: For information about GNU Emacs and the GNU system, type C-h C-a. "git --no-pager grep -Hn -E -e " Quit M-g RET is undefined user-error: End of history; no default available Quit [2 times] Load-path shadows: None found. Features: (shadow sort mail-extr emacsbug message dired format-spec rfc822 mml mml-sec password-cache epg epg-config gnus-util mm-decode mm-bodies mm-encode mailabbrev gmm-utils mailheader sendmail mail-utils mail-parse rfc2231 rfc2047 rfc2045 ietf-drums mm-util help-fns help-mode easymenu cl-loaddefs pcase cl-lib mail-prsvr mailcap shell pcomplete thingatpt grep compile comint ansi-color ring time-date mule-util tooltip eldoc electric uniquify ediff-hook vc-hooks lisp-float-type mwheel x-win term/common-win x-dnd tool-bar dnd fontset image regexp-opt fringe tabulated-list newcomment elisp-mode lisp-mode prog-mode register page menu-bar rfn-eshadow timer select scroll-bar mouse jit-lock font-lock syntax facemenu font-core 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 charscript case-table epa-hook jka-cmpr-hook help simple abbrev 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 dynamic-setting system-font-setting font-render-setting move-toolbar gtk x-toolkit x multi-tty make-network-process emacs) Memory information: ((conses 16 106114 9489) (symbols 48 20561 0) (miscs 40 49 171) (strings 32 22533 4220) (string-bytes 1 586703) (vectors 16 12930) (vector-slots 8 441229 4253) (floats 8 166 267) (intervals 56 264 0) (buffers 976 17) (heap 1024 43106 995))
Yuri Khan <yuri.v.khan@HIDDEN>:bug-gnu-emacs@HIDDEN.
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