GNU bug report logs - #53208
[PATCH]: gnu: rust-analyzer: Update to 2020-01-10.

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From: Nicolas Goaziou <mail <at> nicolasgoaziou.fr>
To: 53208 <at> debbugs.gnu.org
Cc: 873216071 <at> qq.com
Subject: [bug#53208] [PATCH 39/39] gnu: rust-analyzer: Make it out of box.
Date: Fri, 21 Jan 2022 00:23:01 +0100

Hello,

Z572 via Guix-patches via <guix-patches <at> gnu.org> writes:

> +(define-public rust-src
> +  (hidden-package
> +   (package
> +     (inherit rust-1.57)
> +     (name "rust-src")
> +     (build-system copy-build-system)
> +     (native-inputs '())
> +     (inputs '())
> +     (native-search-paths '())
> +     (outputs '("out"))
> +     (arguments
> +      `(#:install-plan
> +        '(("library" "lib/rustlib/src/rust/library")
> +          ("src" "lib/rustlib/src/rust/src"))))
> +     (synopsis "Source code for the Rust standard library")
> +     (description "This package provide source code for the Rust standard
> +library, only use by rust-analyzer, make rust-analyzer out of
> box."))))

This cannot work, because, AFAIK, you can only inherit packages from the
same module. So rust-src should be moved to rust.scm and made visible.

> +         (add-after 'install 'wrap-program
> +           (lambda* (#:key inputs outputs #:allow-other-keys)
> +             (let* ((out (assoc-ref outputs "out"))
> +                    (bin (string-append out "/bin"))
> +                    (rust-src-path (search-input-directory
> +                                    inputs "/lib/rustlib/src/rust/library")))
> +               ;; if not get environment variable RUST_SRC_PATH, set it,
> +               ;; make rust-analyzer out of box.
> +               (with-directory-excursion bin
> +                 (let* ((prog "rust-analyzer")
> +                        (wrapped-file (string-append (dirname prog)
> +                                                     "/." (basename prog) "-real"))
> +                        (prog-tmp (string-append wrapped-file "-tmp")))
> +                   (link prog wrapped-file)
> +                   (call-with-output-file prog-tmp
> +                     (lambda (port)
> +                       (format port "#!~a
> +if test -z \"${RUST_SRC_PATH}\";then export RUST_SRC_PATH=~S;fi;
> +exec -a \"$0\" \"~a\" \"$@\""
> +                               (which "bash")
> +                               rust-src-path
> +                               (canonicalize-path wrapped-file))))
> +                   (chmod prog-tmp #o755)
> +                   (rename-file prog-tmp prog))))))

I tried to move the rust-src in rust.scm, as explained above, but when
I do, installation of rust-analyzer fails during the `wrap-program'
phases.

>           (replace 'install-license-files
>             (lambda* (#:key outputs #:allow-other-keys)
>               (let* ((out (assoc-ref outputs "out"))
> @@ -1298,6 +1341,7 @@ (define-public rust-analyzer
>                 (chdir "../..")
>                 (install-file "LICENSE-MIT" doc)
>                 (install-file "LICENSE-APACHE" doc)))))))
> +    (inputs (list rust-src))

Shouldn't it be a native-input?

Could you have a look at those issues? Thanks!

Regards,
-- 
Nicolas Goaziou

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