GNU logs - #70507, boring messages

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Subject: bug#70507: 30.0.50; eshell: grep -H and -n flags are hardcoded and the latter cannot be overwritten
Resent-From: Jose A Ortega Ruiz <jao@HIDDEN>
Original-Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org>
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Resent-Date: Mon, 22 Apr 2024 01:31:04 +0000
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To: 70507 <at> debbugs.gnu.org
From: Jose A Ortega Ruiz <jao@HIDDEN>
Date: Mon, 22 Apr 2024 02:30:22 +0100
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Hi,

I've noticed that -Hn flags are hardcoded when calling eshell's grep
command. Specially in pipes, where -H prints a noisy (standard input)
prefix for every line, those flags are rarely what I personally want,
and I'd like to have the option to disable them. For -H i can add -h to
the call, or even redefine eshell/grep to not use -H, but there's no
flag to disable -n.

Thanks!


In GNU Emacs 30.0.50 (build 1, x86_64-pc-linux-gnu, cairo version
 1.18.0) of 2024-04-10 built on osgiliath
Repository revision: dd6b9c9426c5d7dde66974c5790815c3520a755b
Repository branch: master
Windowing system distributor 'The X.Org Foundation', version 11.0.12101011
System Description: Debian GNU/Linux trixie/sid

Configured using:
 'configure --prefix /usr/local/stow/emacs30jit --with-x-toolkit=no
 --with-native-compilation --with-imagemagick'

Configured features:
ACL CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GSETTINGS HARFBUZZ
IMAGEMAGICK JPEG LCMS2 LIBOTF LIBSELINUX LIBXML2 M17N_FLT MODULES
NATIVE_COMP NOTIFY INOTIFY OLDXMENU PDUMPER PNG RSVG SECCOMP SOUND
SQLITE3 THREADS TIFF TREE_SITTER WEBP X11 XDBE XIM XINPUT2 XPM ZLIB

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

Major mode: ELisp/l

Minor modes in effect:
  TeX-PDF-mode: t
  eat-eshell-visual-command-mode: t
  eat-eshell-mode: t
  global-git-commit-mode: t
  magit-auto-revert-mode: t
  circe-lagmon-mode: t
  paredit-mode: t
  whitespace-mode: t
  display-fill-column-indicator-mode: t
  symbol-overlay-mode: t
  telega-root-auto-fill-mode: t
  telega-active-video-chats-mode: t
  telega-active-locations-mode: t
  telega-patrons-mode: t
  telega-mode-line-mode: t
  telega-active-stories-mode: t
  jao-outline-minor-mode: t
  outline-minor-faces-mode: t
  global-diff-hl-mode: t
  diff-hl-mode: t
  eshell-syntax-highlighting-global-mode: t
  winner-mode: t
  global-auto-revert-mode: t
  vertico-multiform-mode: t
  vertico-mode: t
  marginalia-mode: t
  persistent-scratch-autosave-mode: t
  ednc-mode: t
  tracking-mode: t
  outline-minor-mode: t
  jao-minibuffer-mode: t
  minibuffer-electric-default-mode: t
  minibuffer-depth-indicate-mode: t
  repeat-mode: t
  server-mode: t
  savehist-mode: t
  recentf-mode: t
  save-place-mode: t
  override-global-mode: t
  tooltip-mode: t
  global-eldoc-mode: t
  eldoc-mode: t
  show-paren-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  minibuffer-regexp-mode: t
  buffer-read-only: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t

Load-path shadows:
/home/jao/lib/elisp/notmuch/notmuch-compat hides /usr/local/share/emacs/site-lisp/notmuch-compat
/home/jao/lib/elisp/notmuch/notmuch hides /usr/local/share/emacs/site-lisp/notmuch
/home/jao/lib/elisp/notmuch/notmuch-tree hides /usr/local/share/emacs/site-lisp/notmuch-tree
/home/jao/lib/elisp/notmuch/notmuch-lib hides /usr/local/share/emacs/site-lisp/notmuch-lib
/home/jao/lib/elisp/notmuch/notmuch-message hides /usr/local/share/emacs/site-lisp/notmuch-message
/home/jao/lib/elisp/notmuch/notmuch-address hides /usr/local/share/emacs/site-lisp/notmuch-address
/home/jao/lib/elisp/notmuch/notmuch-show hides /usr/local/share/emacs/site-lisp/notmuch-show
/home/jao/lib/elisp/notmuch/notmuch-wash hides /usr/local/share/emacs/site-lisp/notmuch-wash
/home/jao/lib/elisp/notmuch/notmuch-print hides /usr/local/share/emacs/site-lisp/notmuch-print
/home/jao/lib/elisp/notmuch/notmuch-company hides /usr/local/share/emacs/site-lisp/notmuch-company
/home/jao/lib/elisp/notmuch/notmuch-hello hides /usr/local/share/emacs/site-lisp/notmuch-hello
/home/jao/lib/elisp/notmuch/notmuch-parser hides /usr/local/share/emacs/site-lisp/notmuch-parser
/home/jao/lib/elisp/notmuch/coolj hides /usr/local/share/emacs/site-lisp/coolj
/home/jao/lib/elisp/notmuch/notmuch-jump hides /usr/local/share/emacs/site-lisp/notmuch-jump
/home/jao/lib/elisp/notmuch/notmuch-maildir-fcc hides /usr/local/share/emacs/site-lisp/notmuch-maildir-fcc
/home/jao/lib/elisp/notmuch/notmuch-tag hides /usr/local/share/emacs/site-lisp/notmuch-tag
/home/jao/lib/elisp/notmuch/notmuch-version hides /usr/local/share/emacs/site-lisp/notmuch-version
/home/jao/lib/elisp/notmuch/notmuch-mua hides /usr/local/share/emacs/site-lisp/notmuch-mua
/home/jao/lib/elisp/notmuch/notmuch-crypto hides /usr/local/share/emacs/site-lisp/notmuch-crypto
/home/jao/lib/elisp/notmuch/notmuch-draft hides /usr/local/share/emacs/site-lisp/notmuch-draft
/home/jao/lib/elisp/notmuch/notmuch-query hides /usr/local/share/emacs/site-lisp/notmuch-query
/home/jao/.emacs.d/elpa.30/transient-20240421.1327/transient hides /usr/local/stow/emacs30jit/share/emacs/30.0.50/lisp/transient
/home/jao/etc/emacs/site/custom hides /usr/local/stow/emacs30jit/share/emacs/30.0.50/lisp/custom

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hashtable-print-readable backquote threads dbusbind inotify lcms2
dynamic-setting system-font-setting font-render-setting cairo xinput2 x
multi-tty move-toolbar make-network-process native-compile emacs)

Memory information:
((conses 16 7446884 1304663) (symbols 48 147697 287)
 (strings 32 1011999 111534) (string-bytes 1 106814715) (vectors 16 363473)
 (vector-slots 8 6352574 537834) (floats 8 302078 71273)
 (intervals 56 290975 39561) (buffers 992 321))

-- 
Ignorance more frequently begets confidence than does knowledge
  - Charles Darwin

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From: help-debbugs@HIDDEN (GNU bug Tracking System)
To: Jose A Ortega Ruiz <jao@HIDDEN>
Subject: bug#70507: Acknowledgement (30.0.50; eshell: grep -H and -n flags
 are hardcoded and the latter cannot be overwritten)
Message-ID: <handler.70507.B.171374946013365.ack <at> debbugs.gnu.org>
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Reply-To: 70507 <at> debbugs.gnu.org
Date: Mon, 22 Apr 2024 01:31:04 +0000

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Message sent to bug-gnu-emacs@HIDDEN:

Subject: bug#70507: 30.0.50; eshell: grep -H and -n flags are hardcoded and the latter cannot be overwritten
Resent-From: Stefan Kangas <stefankangas@HIDDEN>
Original-Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org>
Resent-CC: bug-gnu-emacs@HIDDEN
Resent-Date: Mon, 20 May 2024 20:20:02 +0000
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To: Jose A Ortega Ruiz <jao@HIDDEN>, 70507 <at> debbugs.gnu.org
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From: Stefan Kangas <stefankangas@HIDDEN>
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Jose A Ortega Ruiz <jao@HIDDEN> writes:

> Hi,
>
> I've noticed that -Hn flags are hardcoded when calling eshell's grep
> command. Specially in pipes, where -H prints a noisy (standard input)
> prefix for every line, those flags are rarely what I personally want,
> and I'd like to have the option to disable them. For -H i can add -h to
> the call, or even redefine eshell/grep to not use -H, but there's no
> flag to disable -n.
>
> Thanks!

Jim, any comments on the above bug report?

Thanks.

Message sent to bug-gnu-emacs@HIDDEN:

Subject: bug#70507: 30.0.50; eshell: grep -H and -n flags are hardcoded and the latter cannot be overwritten
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On 5/20/2024 1:18 PM, Stefan Kangas wrote:
> Jose A Ortega Ruiz <jao@HIDDEN> writes:
> 
>> I've noticed that -Hn flags are hardcoded when calling eshell's grep
>> command. Specially in pipes, where -H prints a noisy (standard input)
>> prefix for every line, those flags are rarely what I personally want,
>> and I'd like to have the option to disable them. For -H i can add -h to
>> the call, or even redefine eshell/grep to not use -H, but there's no
>> flag to disable -n.
> 
> Jim, any comments on the above bug report?

It would probably be reasonable to define some new 
'eshell-grep-default-interactive-flags' variable, defaulting to "-nH" 
and only taking effect when being redirected to a compilation buffer. 
Maybe 'eshell-compile' could also take an EXTRA-ARGS argument that holds 
extra args to use. There are a few edge cases here I haven't fully 
though through, so maybe this is all wrong.

In the short term though, you have a few options:

1. "alias grep '*grep $@*'": This just makes "grep" always use the real 
"grep" program on your computer, with no fancy compilation buffers.

2. "alias grep 'compile --mode=grep-mode grep $@*'": This ensures that 
"grep" opens in a compilation buffer when called interactively (and not 
in a pipeline, etc), but only with the flags you explicitly specify.

Message sent to bug-gnu-emacs@HIDDEN:

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On Mon, May 20 2024, Jim Porter wrote:

> On 5/20/2024 1:18 PM, Stefan Kangas wrote:
>> Jose A Ortega Ruiz <jao@HIDDEN> writes:
>>
>>> I've noticed that -Hn flags are hardcoded when calling eshell's grep
>>> command. Specially in pipes, where -H prints a noisy (standard input)
>>> prefix for every line, those flags are rarely what I personally want,
>>> and I'd like to have the option to disable them. For -H i can add -h to
>>> the call, or even redefine eshell/grep to not use -H, but there's no
>>> flag to disable -n.
>>
>> Jim, any comments on the above bug report?
>
> It would probably be reasonable to define some new
> 'eshell-grep-default-interactive-flags' variable, defaulting to "-nH"
> and only taking effect when being redirected to a compilation buffer.
> Maybe 'eshell-compile' could also take an EXTRA-ARGS argument that holds
> extra args to use. There are a few edge cases here I haven't fully
> though through, so maybe this is all wrong.
>
> In the short term though, you have a few options:
>
> 1. "alias grep '*grep $@*'": This just makes "grep" always use the real
> "grep" program on your computer, with no fancy compilation buffers.
>
> 2. "alias grep 'compile --mode=3Dgrep-mode grep $@*'": This ensures that
> "grep" opens in a compilation buffer when called interactively (and not
> in a pipeline, etc), but only with the flags you explicitly specify.

Thanks for your feedback. For my use cases, solution 2 is probably
covering all the bases.

Cheers,
jao
--=20
=E2=80=9CI=E2=80=99m all these words, all these strangers, this dust of wor=
ds, with no
ground for their setting, no sky for their dispersing.=E2=80=9D
 - Samuel Beckett, The Unnamable

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