From mboxrd@z Thu Jan  1 00:00:00 1970
From: Leo Famulari <leo@famulari.name>
Subject: bug#22402: info guix pages
Date: Wed, 20 Jan 2016 22:21:54 -0500
Message-ID: <20160121032154.GA20978@jasmine>
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To: carl hansen <carlhansen1234@gmail.com>
Cc: 22402@debbugs.gnu.org

On Wed, Jan 20, 2016 at 05:26:54PM -0800, carl hansen wrote:
> On Tue, Jan 19, 2016 at 8:24 PM, Leo Famulari <leo@famulari.name> wrote:
> 
> > On Tue, Jan 19, 2016 at 04:45:12PM -0800, carl hansen wrote:
> > > On Tue, Jan 19, 2016 at 2:02 PM, Leo Famulari <leo@famulari.name> wrote:
> > >
> > > > On Tue, Jan 19, 2016 at 12:17:32PM -0500, Thompson, David wrote:
> > > > > On Tue, Jan 19, 2016 at 4:34 AM, carl hansen <
> > carlhansen1234@gmail.com>
> > > > wrote:
> > > > > >
> > > > > > Yes, that is the case, there is no mystery, there is indeed a
> > > > > >  /root/.guix-profile/share/info/guix.info
> > > > > > and there is NOT a
> > > > > > ~user/.guix-profile/share/info/guix.info
> > > > > >
> > > >
> > >
> > > snip snip
> > >
> > > Ok I did, as suggested,
> > > guix package -i guix
> > > which I was afraid of, fearing some ouroboros strange loop destruction of
> > > the universe;
> > > fears unfounded, only curious effect was dozens or hundreds of
> > >
> > > warning: collision encountered: /gnu/store/wfvxxpdhnzd59v ...
> > > warning: arbitrarily choosing /gnu/store/wfvxxpdhnzd59vkad1z...
> > >
> > > type messages. Otherwise, seems to work.
> >
> > That's not optimal. Those messages mean that of the store directories
> > linked to from your profile, more than one provide a given path.
> >
> > For example, GNU Parallel and moreutils both have a path "bin/parallel":
> > /gnu/store/7ggbvsql79s5i05a3v8cbn48kdrzf7nc-parallel-20151222/bin/parallel
> > /gnu/store/ax4ppgzmx5cjqr813l3djgzhiniam1yz-moreutils-0.57/bin/parallel
> >
> > If you install both in your profile, those two paths both become:
> > ~/.guix-profile/bin/parallel
> >
> > And so you get a warning and the conflict is resolved arbitrarily. You
> > can't have both of the "parallels" in your profile at once.
> >
> > Were the conflicting paths related to Guix?
> >
> > I don't have the lines anymore, I think they are related to lots of
> packages beside guix.
> As I learn, then I will know more; for now I will ignore ignorable messages
> from my
> computer, and move on.

Sometimes, the messages are ignorable, and sometimes not. The two
'parallels' are not interchangeable.