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[debbugs-tracker] bug#35318: closed ([PATCH] Update cargo-build-system t

From: GNU bug Tracking System
Subject: [debbugs-tracker] bug#35318: closed ([PATCH] Update cargo-build-system to expand package inputs)
Date: Wed, 12 Jun 2019 01:15:02 +0000

Your message dated Tue, 11 Jun 2019 18:14:03 -0700
with message-id 
and subject line Re: [bug#35318] [PATCH] Update cargo-build-system to expand 
package inputs
has caused the debbugs.gnu.org bug report #35318,
regarding [PATCH] Update cargo-build-system to expand package inputs
to be marked as done.

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35318: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=35318
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--- Begin Message --- Subject: [PATCH] Update cargo-build-system to expand package inputs Date: Thu, 18 Apr 2019 22:34:05 -0700
When building, cargo requires the source of all transitive dependencies to be 
present in its index.
Rather than force package definitions to list out all transitive inputs, the 
build system will
automatically expand the inputs as necessary.

Because it is possible for crates to have apparent cycles in their native 
the build system must take some measures to work around potential cycles. This 
patch series
takes an initial naive stab at resolving the problem, by never building 

I plan on revisiting this sometime soon and making the system a bit more 
(namely building native-inputs where possible and breaking any cycles). But for 
now this should
unblock working on package definitions.

I’ve also included three rust crates as a proof of concept that the system 
works and it handles
potential native-input cycles. These crates do nothing on their own, but 
they’re heavily depended
upon by the rest of the crates ecosystem, so they will eventually be useful to 
have in guix.


Attachment: 0001-packages-allow-dynamic-input-closure-computation.patch
Description: Binary data

Attachment: 0002-build-system-cargo-expand-transitive-package-inputs.patch
Description: Binary data

Attachment: 0003-gnu-crate-add-unicode-xid.patch
Description: Binary data

Attachment: 0004-gnu-crate-Add-proc-macro2-and-quote.patch
Description: Binary data


--- End Message ---
--- Begin Message --- Subject: Re: [bug#35318] [PATCH] Update cargo-build-system to expand package inputs Date: Tue, 11 Jun 2019 18:14:03 -0700 User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux)
Hi Ivan,

I've merged your changes as 2444abd9c124cc55f8f19a0462e06a2094f25a9d.
Thank you for taking the time to write this patch series!  Now let's
start importing some crates!  :-)

Some minor feedback for next time (I've made these minor changes on your
behalf already):

- In the ChangeLog, we generally capitalize the heading and add a
- In the manual, we put two spaces after periods, not one.
- The tests/crate.scm began failing when you changed the importer logic;
  I have taken the liberty of fixing it.
- When listing many parts that changed, you can write it like this,
  instead of listing it on 3 separate lines:

    (maybe-cargo-inputs, maybe-cargo-development-inputs)
    (maybe-arguments): Add them.

That's all.  Thanks again!  I'm closing this now.


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