[GNU ELPA] New package: Urgrep

[Jim Porter]

I'd like to add a new package to GNU ELPA: Urgrep[1]. I posted about it 
a while ago[2], but wasn't quite ready to submit it to GNU ELPA at the 
time. Well, now is that time! I'll quote my original message for a 
summary of what it's interesting about Urgrep:

> A brief summary: Urgrep is designed to provide a universal interface on
> top of all "recursive grep"-like commands, from ripgrep to git grep to
> the classic find+grep. I made it to solve a frustration I had with other
> similar packages: they're primarily built to support a *particular*
> searching tool, and while some can be coaxed into running with other
> tools, it doesn't always work. Even when it does, it's usually not
> seamless, especially when you add Tramp to the equation.
>
> With Urgrep, you can use *any* rgrep-like command. It will
> automatically use the best tool on the system in question, so if some
> remote host doesn't have your favorite tool, it'll still work just fine.
>
> I also added some Isearch-like bindings in the main function's prompt
> (creatively named 'urgrep'). These all start with M-s and let you set
> common search flags, like number of context lines. Maybe there's a
> better way to do this; the current method seemed reasonable to me, but
> I'm certainly open to suggestions.

[1] https://github.com/jimporter/urgrep
[2] https://lists.gnu.org/archive/html/emacs-devel/2022-09/msg00723.html

0001-elpa-packages-urgrep-New-package.patch
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