GNU bug report logs - #41766
Make it possible to change regexp to identify and highlight grep matches via customization

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From: Juri Linkov <juri <at> linkov.net>
To: Dmitry Gutov <dgutov <at> yandex.ru>
Cc: "Basil L. Contovounesios" <contovob <at> tcd.ie>, "41766 <at> debbugs.gnu.org" <41766 <at> debbugs.gnu.org>, Simon Lang <Simon.lang <at> outlook.com>
Subject: bug#41766: Make it possible to change regexp to identify and highlight grep matches via customization
Date: Thu, 11 Jun 2020 02:10:53 +0300

>> In the long run what should be customizable is not escape sequences,
>> but a choice of the grep program with a list of such options:
>>    "GNU grep"
>>    "ripgrep"
>>    ...
>
> That could simply be done by adding :tag to each option value, right?

Indeed, the same way as it's already used in

(defcustom grep-find-use-xargs nil
  "How to invoke find and grep.
If `exec', use `find -exec {} ;'.
If `exec-plus' use `find -exec {} +'.
If `gnu', use `find -print0' and `xargs -0'.
If `gnu-sort', use `find -print0', `sort -z' and `xargs -0'.
Any other value means to use `find -print' and `xargs'.

This variable's value takes effect when `grep-compute-defaults' is called."
  :type '(choice (const :tag "find -exec {} ;" exec)
                 (const :tag "find -exec {} +" exec-plus)
                 (const :tag "find -print0 | xargs -0" gnu)
                 (const :tag "find -print0 | sort -z | xargs -0'" gnu-sort)
                 string
		 (const :tag "Not Set" nil))
  :set #'grep-apply-setting
  :version "27.1")

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