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Re: [PATCH 4/7] gnu: Add spice-gtk.
From: |
Leo Famulari |
Subject: |
Re: [PATCH 4/7] gnu: Add spice-gtk. |
Date: |
Sun, 24 Jul 2016 12:21:28 -0400 |
User-agent: |
Mutt/1.6.0 (2016-04-01) |
On Sun, Jul 24, 2016 at 01:34:13PM +0200, David Craven wrote:
> What are valid reasons to propagate inputs?
Ideally, dependencies can be found by their callers with an absolute
path to /gnu/store/...-foo. But, some software lacks this facility, and
can only find dependencies in the environment, for example on $PATH.
So, when a user installs the calling application into their profile,
propagated-inputs are installed along with it. So, with
~/.guix-profile/bin on the user's PATH, the dependencies are also on
$PATH. This increases the number of potential conflicts in the profile,
so we try to avoid propagating when we can. This is why I asked about
the propagated-inputs in your packages.
Wrappers can be used to avoid propagating in some cases. For example,
the python-build-system wraps all executables with a $PYTHONPATH
containing a list of absolute paths in /gnu/store. You can look at the
store directory of some Python package to see the wrappers.
I'll be happy if someone can correct any inaccuracies in this
explanation :) It's still a bit cloudy for me.
- [PATCH 1/7] gnu: Add usbredir., David Craven, 2016/07/23
- [PATCH 3/7] gnu: Add spice-protocol., David Craven, 2016/07/23
- [PATCH 4/7] gnu: Add spice-gtk., David Craven, 2016/07/23
- Re: [PATCH 4/7] gnu: Add spice-gtk., Leo Famulari, 2016/07/23
- Re: [PATCH 4/7] gnu: Add spice-gtk., Ludovic Courtès, 2016/07/24
- Re: [PATCH 4/7] gnu: Add spice-gtk., David Craven, 2016/07/25
- Re: [PATCH 4/7] gnu: Add spice-gtk., David Craven, 2016/07/27
- Re: [PATCH 4/7] gnu: Add spice-gtk., Ludovic Courtès, 2016/07/27
- Re: [PATCH 4/7] gnu: Add spice-gtk., Leo Famulari, 2016/07/27
- Re: [PATCH 4/7] gnu: Add spice-gtk., David Craven, 2016/07/28
- Re: [PATCH 4/7] gnu: Add spice-gtk., Leo Famulari, 2016/07/28
[PATCH 5/7] gnu: Add spice., David Craven, 2016/07/23