[PATCH] etc: indent-code.el: Use the --quick option.

DoneSubmitted by Maxim Cournoyer.
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  • Maxim Cournoyer
  • zimoun
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Maxim Cournoyer wrote on 31 Mar 2020 06:41
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(name . guix-patches)(address . guix-patches@gnu.org)
87lfnhxhje.fsf@gmail.com
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Hello!
I noticed two small annoyances with the indent-code.el script, which areexplained and fixed in the attached patch.
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From ce30a6ceb76595ce0ba87eeb54f0b6624485354f Mon Sep 17 00:00:00 2001From: Maxim Cournoyer <maxim.cournoyer@gmail.com>Date: Tue, 31 Mar 2020 00:12:01 -0400Subject: [PATCH] etc: indent-code.el: Use the --quick option.
This prevents Emacs from loading the autoload definitions found in itsprofile, which needlessly clutters the output. It also prevents Geiser (ifinstalled) from blocking the script and asking the user to input the Schemeimplementation to use.
The trick for passing multiple arguments to Emacs is to use what is called a"sesquicolon" (see https://www.emacswiki.org/emacs/EmacsScripts).
* etc/indent-code.el.in: Rename to...* etc/indent-code.el: ...this. Adapt the shebang to use a sesquicolon, andpass the --quick option to Emacs. Since this line is interpreted by theshell, simply use Emacs from the PATH instead of from a hard coded location.(main): New procedure, used as the entry point.* configure.ac: Remove the warning about Emacs. Emacs can now be installedany time by the user if they want to use the script.* .gitignore: No longer ignore changes to etc/indent-code.el.--- .gitignore | 1 - configure.ac | 9 ---- etc/{indent-code.el.in => indent-code.el} | 52 ++++++++++++----------- 3 files changed, 27 insertions(+), 35 deletions(-) rename etc/{indent-code.el.in => indent-code.el} (71%)
Toggle diff (107 lines)diff --git a/.gitignore b/.gitignoreindex fd2cf56098..cc5ceb5e10 100644--- a/.gitignore+++ b/.gitignore@@ -149,7 +149,6 @@ stamp-h[0-9] tmp /doc/os-config-lightweight-desktop.texi /nix/scripts/download-/etc/indent-code.el /.version /doc/stamp-[0-9] /gnu/packages/bootstrapdiff --git a/configure.ac b/configure.acindex 6a6a020585..5ed2cf7aa0 100644--- a/configure.ac+++ b/configure.ac@@ -284,15 +284,6 @@ dnl Documentation translation. AM_MISSING_PROG([PO4A_TRANSLATE], [po4a-translate]) AM_MISSING_PROG([PO4A_UPDATEPO], [po4a-updatepo]) -dnl Emacs (optional), for 'etc/indent-code.el'.-AC_PATH_PROG([EMACS], [emacs])-if test "x$EMACS" = x; then- AC_MSG_WARN([Please install GNU Emacs to use etc/indent-code.el.])-else- AC_SUBST([EMACS])- AC_CONFIG_FILES([etc/indent-code.el], [chmod +x etc/indent-code.el])-fi- case "$storedir" in /gnu/store) ;;diff --git a/etc/indent-code.el.in b/etc/indent-code.elsimilarity index 71%rename from etc/indent-code.el.inrename to etc/indent-code.elindex 6102b5d1ab..255ffb126b 100755--- a/etc/indent-code.el.in+++ b/etc/indent-code.el@@ -1,8 +1,9 @@-#!@EMACS@ --script+:;exec emacs --batch --quick --load="$0" --funcall=main "$@" ;;; indent-code.el --- Run Emacs to indent a package definition. ;; Copyright © 2017 Alex Kost <alezost@gmail.com> ;; Copyright © 2017 Ludovic Courtès <ludo@gnu.org>+;; Copyright © 2020 Maxim Cournoyer <maxim.cournoyer@gmail.com> ;; This file is part of GNU Guix. @@ -86,29 +87,30 @@ (with-syntax 1)) -(pcase command-line-args-left- (`(,file-name ,package-name)- ;; Indent the definition of PACKAGE-NAME in FILE-NAME.- (find-file file-name)- (goto-char (point-min))- (if (re-search-forward (concat "^(define\\(-public\\) +"- package-name)- nil t)- (let ((indent-tabs-mode nil))- (beginning-of-defun)- (indent-sexp)- (save-buffer)- (message "Done!"))- (error "Package '%s' not found in '%s'"- package-name file-name)))- (`(,file-name)- ;; Indent all of FILE-NAME.- (find-file file-name)- (let ((indent-tabs-mode nil))- (indent-region (point-min) (point-max))- (save-buffer)- (message "Done!")))- (x- (error "Usage: indent-code.el FILE [PACKAGE]")))+(defun main ()+ (pcase command-line-args-left+ (`(,file-name ,package-name)+ ;; Indent the definition of PACKAGE-NAME in FILE-NAME.+ (find-file file-name)+ (goto-char (point-min))+ (if (re-search-forward (concat "^(define\\(-public\\) +"+ package-name)+ nil t)+ (let ((indent-tabs-mode nil))+ (beginning-of-defun)+ (indent-sexp)+ (save-buffer)+ (message "Done!"))+ (error "Package '%s' not found in '%s'"+ package-name file-name)))+ (`(,file-name)+ ;; Indent all of FILE-NAME.+ (find-file file-name)+ (let ((indent-tabs-mode nil))+ (indent-region (point-min) (point-max))+ (save-buffer)+ (message "Done!")))+ (x+ (error "Usage: indent-code.el FILE [PACKAGE]")))) ;;; indent-code.el ends here-- 2.25.2
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zimoun wrote on 13 May 2020 02:45
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(name . Maxim Cournoyer)(address . maxim.cournoyer@gmail.com)(address . 40340@debbugs.gnu.org)
CAJ3okZ019sfmNRGo5K2Kb=mNsgOBGTd9rc94hLCWrQ7hPjfQhQ@mail.gmail.com
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Hi Maxim,
On Tue, 31 Mar 2020 at 06:42, Maxim Cournoyer <maxim.cournoyer@gmail.com> wrote:
Toggle quote (3 lines)> * configure.ac: Remove the warning about Emacs. Emacs can now be installed> any time by the user if they want to use the script.
The point of this warning was to inform (teach) the user if they doesnot know how to use 'etc/indent-code.el'; basically newcomers which donot use Emacs and do not read manual cover to cover.Well, maybe it is not useful since the manual already explains [1] andthis message is meaningful by itself:
Toggle snippet (4 lines)./etc/indent-code.el gnu/packages/maths.scm./etc/indent-code.el: line 1: exec: emacs: not found
[1] https://guix.gnu.org/manual/devel/en/guix.html#Formatting-Code

Thank you for the improvement.
All the best,simon
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Maxim Cournoyer wrote on 15 May 2020 05:09
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(name . zimoun)(address . zimon.toutoune@gmail.com)(address . 40340-done@debbugs.gnu.org)
87eerldhd4.fsf@gmail.com
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Hello Simon,
zimoun <zimon.toutoune@gmail.com> writes:
Toggle quote (21 lines)> Hi Maxim,>> On Tue, 31 Mar 2020 at 06:42, Maxim Cournoyer <maxim.cournoyer@gmail.com> wrote:>>> * configure.ac: Remove the warning about Emacs. Emacs can now be installed>> any time by the user if they want to use the script.>> The point of this warning was to inform (teach) the user if they does> not know how to use 'etc/indent-code.el'; basically newcomers which do> not use Emacs and do not read manual cover to cover.> Well, maybe it is not useful since the manual already explains [1] and> this message is meaningful by itself:>> ./etc/indent-code.el gnu/packages/maths.scm> ./etc/indent-code.el: line 1: exec: emacs: not found>> [1] https://guix.gnu.org/manual/devel/en/guix.html#Formatting-Code>>> Thank you for the improvement.
The warning was indeed useful before this change, as the script was notgenerated in the event Emacs was not found at configuration time. Nowthat the script is always available, it can be removed.
I went ahead and merged this as commit cb21ae7671.
Thank you for taking a look :-).
Maxim
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