GNU bug report logs - #30480
[PATCH] environment: Add --manifest option.

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: "Thompson, David" <dthompson2 <at> worcester.edu>
Subject: bug#30480: closed (Re: [bug#30480] [PATCH] environment: Add
 --manifest option.)
Date: Thu, 22 Feb 2018 06:48:02 +0000

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Your bug report

#30480: [PATCH] environment: Add --manifest option.

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 30480 <at> debbugs.gnu.org.

-- 
30480: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=30480
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Leo Famulari <leo <at> famulari.name>
To: "Thompson, David" <dthompson2 <at> worcester.edu>
Cc: 30480-done <at> debbugs.gnu.org,
 Ludovic Courtès <ludo <at> gnu.org>
Subject: Re: [bug#30480] [PATCH] environment: Add --manifest option.
Date: Thu, 22 Feb 2018 01:47:07 -0500

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On Wed, Feb 21, 2018 at 10:17:33PM -0500, Thompson, David wrote:
> Pushed.  Do I have to do something special to close this ticket?

I'm closing it by appending -done to the bug number in the email
address.

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From: "Thompson, David" <dthompson2 <at> worcester.edu>
To: guix-patches <at> gnu.org
Subject: [PATCH] environment: Add --manifest option.
Date: Thu, 15 Feb 2018 21:12:58 -0500

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In my lurkings I've seen people wondering why `guix environment`
doesn't work with manifests. The answer is simply: I never thought to
add it. This patch fixes that. The implementation is kind of
interesting and might seem a little silly to people that know how
manifests work.  In order to support manifests with minimal code and
make --manifest compose with other options I simply decompile the
manifest back into a list of package/output tuples.  That means in the
case of `guix environment --manifest=foo.scm` the manifest is created,
decompiled, and a new manifest created from that.  Seems redundant!
The advantage is that since --manifest composes with all the other
ways to specify packages we can do absolutely bonkers things like
`guix environment guile --ad-hoc ruby --manifest=foo.scm
--manifest=bar.scm --load=frob.scm --expression='(@ (gnu packages
python) python)'`.  More realistically you'd use it to throw in an
extra package or two with --ad-hoc.

Anyway, hope y'all like it.

- Dave

[0001-environment-Add-manifest-option.patch (text/x-patch, attachment)]

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