[bug#42295] [PATCH] gnu: rust-1.44: Add rustfmt output.

[Matthew Kraai]

Hi John,

On 11/25/20 6:46 AM, John Soo wrote:
> Hi Matthew,
>
> Thanks! I had packaged rustfmt-nightly but this is much better.
>
> Matthew Kraai <kraai@ftbfs.org> writes:
>
> > +             (replace 'check
> > +               (lambda* _
> > +                 ;; Enable parallel execution.
> > +                 (let ((parallel-job-spec
> > +                        (string-append "-j" (number->string
> > +                                             (min 4
> > +                                                  (parallel-job-count))))))
> > +                   (invoke "./x.py" parallel-job-spec "test" "-vv")
> > +                   (invoke "./x.py" parallel-job-spec "test"
> > +                           "src/tools/cargo")
> > +                   (invoke "./x.py" parallel-job-spec "test"
> > +                           "src/tools/rustfmt"))))
> Nice!
>
> > +      (outputs '("out" "doc" "cargo" "rustfmt"))
> Perhaps we should make anything that can be installed as a rustup
> component an output (provided the source is in the rust tree). I think
> rls can be added immediately in the same fashion.
Is rls deprecated in favor of rust-analyzer?
> Do you want to add a copyright line?
Done.
> Otherwise, this looks good to me.

According to https://github.com/rust-lang/rustfmt, rustfmt was made a 
component in 1.24.0.  Would it be better to add this support to the 
rust-1.24 package instead?  I've attached the patch I'm currently testing.

--
Matthew Kraai

patch
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