Subject: bug#32759: closed (Re: [bug#32759] [PATCH 0/8] Seamless integration of inferior packages)

From: [email-masked] (GNU bug Tracking System)
Date: Fri, 21 Sep 2018 15:06:02 +0000

Your bug report

#32759: [PATCH 0/8] Seamless integration of inferior packages

which was filed against the guix-patches package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to [email-masked].

-- 
32759: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=32759
GNU Bug Tracking System
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Subject: Re: [bug#32759] [PATCH 0/8] Seamless integration of inferior packages
From: [email-masked] (Ludovic Courtès)
To: [email-masked]
Date: Fri, 21 Sep 2018 17:05:36 +0200
List-Id: <debbugs-submit.debbugs.gnu.org>

Ludovic Courtès <[email-masked]> skribis:

> Ludovic Courtès (8):
>   inferior: Add 'inferior-package-derivation'.
>   inferior: Add 'lookup-inferior-packages'.
>   inferior: Add 'inferior-package-inputs' & co.
>   inferior: Add 'inferior-package-search-paths' & co.
>   inferior: Add 'inferior-package->manifest-entry'.
>   profiles: 'packages->manifest' now accepts inferior packages.
>   channels: Add 'channel-instances->derivation'.
>   inferior: Add 'inferior-for-channels'.

Pushed along with some documentation!

Ludo’.

Subject: [PATCH 0/8] Seamless integration of inferior packages
From: Ludovic Courtès <[email-masked]>
To: [email-masked]
Cc: Ludovic Courtès <[email-masked]>
Date: Tue, 18 Sep 2018 14:04:08 +0200
List-Id: <debbugs-submit.debbugs.gnu.org>

Hello Guix!

Here comes icing for the cake: a facility that allows you to mix inferior
packages with “regular” packages in a single profile.

For now you can use it, for instance, by writing a manifest for
‘guix package -m’ along these lines:

--8<---------------cut here---------------start------------->8---
(use-modules (guix inferior) (guix channels))

(define channels
  (list (channel
         (name 'guix)
         (url
          "https://git.savannah.gnu.org/git/guix.git")
         (commit
          #;"4ab6a2f23d43f6c7e4a5a7420db613c5ba5b03b6" ;recent
          "65956ad3526ba09e1f7a40722c96c6ef7c0936fe"))))

(define inferior
  (inferior-for-channels channels))

(packages->manifest
 (list (car (lookup-inferior-packages inferior "guile-json"))
       (specification->package "guile")))
--8<---------------cut here---------------end--------------->8---

The example above gives you guile-json 1.0.1 with guile 2.2.4.

Inferior packages are “first class”, meaning that their search paths,
propagated inputs, etc. are honored, just like for regular packages.

Building Guix or even just computing its derivation takes some time
so the last patch, which implements ‘inferior-for-channels’, adds a
cache.  That way, if you frequently use a given inferior, it’s
immediately available.

There’s no documentation yet, mostly because I wanted to get it out
the door and wasn’t sure whether we should provide higher-level
interfaces.

Anyway, that’s it.  Feedback welcome!

Ludo’.

Ludovic Courtès (8):
  inferior: Add 'inferior-package-derivation'.
  inferior: Add 'lookup-inferior-packages'.
  inferior: Add 'inferior-package-inputs' & co.
  inferior: Add 'inferior-package-search-paths' & co.
  inferior: Add 'inferior-package->manifest-entry'.
  profiles: 'packages->manifest' now accepts inferior packages.
  channels: Add 'channel-instances->derivation'.
  inferior: Add 'inferior-for-channels'.

 guix/channels.scm     |  16 +-
 guix/inferior.scm     | 366 ++++++++++++++++++++++++++++++++++++++++--
 guix/profiles.scm     |  27 +++-
 tests/guix-package.sh |  15 ++
 tests/inferior.scm    | 123 +++++++++++++-
 5 files changed, 523 insertions(+), 24 deletions(-)

-- 
2.18.0