Subject: Re: [bug#58213] [PATCH] gnu: emacs-ag: Do not propagate the-silver-searcher and use gexp.

From: Efraim Flashner <[email-masked]>
Date: Sun, 2 Oct 2022 21:14:01 +0300

On Sat, Oct 01, 2022 at 07:33:16AM +0200, Michael Rohleder wrote:
> * gnu/packages/emacs-xyz.scm (emacs-ag)[phases]: Use gexps.
> {substitute-ag-path}: Add phase to avoid propagating ag.
> {install-info}: Use gexps.
> [inputs]: Add the-silver-searcher.
> [propagated-inputs]: Remove the-silver-searcher.
> ---
>  gnu/packages/emacs-xyz.scm | 32 ++++++++++++++++++--------------
>  1 file changed, 18 insertions(+), 14 deletions(-)
> 
> diff --git a/gnu/packages/emacs-xyz.scm b/gnu/packages/emacs-xyz.scm
> index 6d9d0d6a8f..76a17da88e 100644
> --- a/gnu/packages/emacs-xyz.scm
> +++ b/gnu/packages/emacs-xyz.scm
> @@ -3026,23 +3026,27 @@ (define-public emacs-ag
>          (base32 "1p918y24vcn2pdliaymd210xp9fvhd4a1srqbv2lfiqrh59yjidx"))))
>      (build-system emacs-build-system)
>      (arguments
> -     `(#:phases
> -       (modify-phases %standard-phases
> -         (add-before 'install 'make-info
> -           (lambda _
> -             (with-directory-excursion "docs"
> -               (invoke "make" "info"))))
> -         (add-after 'install 'install-info
> -           (lambda* (#:key outputs #:allow-other-keys)
> -             (let* ((out  (assoc-ref outputs "out"))
> -                    (info (string-append out "/share/info")))
> -               (install-file "docs/_build/texinfo/agel.info" info)))))))
> +     (list
> +      #:phases
> +      #~(modify-phases %standard-phases
> +          (add-after 'unpack 'substitute-ag-path
> +            (lambda _
> +              (make-file-writable "ag.el")
> +              (emacs-substitute-sexps "ag.el"
> +                ("defcustom ag-executable" (which "ag")))))
> +          (add-before 'install 'make-info
> +            (lambda _
> +              (with-directory-excursion "docs"
> +                (invoke "make" "info"))))
> +          (add-after 'install 'install-info
> +            (lambda _
> +              (install-file "docs/_build/texinfo/agel.info"
> +                            (string-append #$output "/share/info")))))))
> +    (inputs (list the-silver-searcher))  ;'ag' executable
>      (native-inputs
>       (list python-sphinx texinfo))
>      (propagated-inputs
> -     (list emacs-dash
> -           emacs-s
> -           the-silver-searcher))        ;'ag' executable
> +     (list emacs-dash emacs-s))
>      (home-page "https://github.com/Wilfred/ag.el")
>      (synopsis "Front-end for ag (the-silver-searcher) for Emacs")
>      (description "This package provides the ability to use the silver
> -- 
> 2.37.3
> 

Can you split this into two patches? The first to not propagate the
silver searcher and the second to switch to gexps? Thanks.

-- 
Efraim Flashner   <[email-masked]>   אפרים פלשנר
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