GNU bug report logs - #33285
Installing, then removing, a package yields a different profile

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Ricardo Wurmus <rekado <at> elephly.net>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#33285: closed (Installing, then removing, a package yields a
 different profile)
Date: Tue, 12 Mar 2019 12:15:01 +0000

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Your message dated Tue, 12 Mar 2019 12:58:59 +0100
with message-id <87a7i0tibg.fsf <at> elephly.net>
and subject line Re: bug#33285: Installing, then removing, a package yields a different profile
has caused the debbugs.gnu.org bug report #33285,
regarding Installing, then removing, a package yields a different profile
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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From: Chris Marusich <cmmarusich <at> gmail.com>
To: bug-guix <at> gnu.org
Subject: Installing, then removing, a package yields a different profile
Date: Mon, 05 Nov 2018 22:25:46 -0800

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Hi,

I've noticed that if I do the following...

guix package -p .guix-profile -i hello
guix package -p .guix-profile -i coreutils
guix package -p .guix-profile -r coreutils

...I get profile generations like the following:

.guix-profile-1-link  ->  /gnu/store/mbvwb1pv8ps0l39gil41g4zj3khx3r8p-profile
.guix-profile-2-link  ->  /gnu/store/m6cwnnxcccnd8bga52jxn74vm67n7ry1-profile
.guix-profile-3-link  ->  /gnu/store/qfpmx9rz7kxa8w8r2pz4vj8ilbi70dcp-profile

However, the 1st and 3rd generations are practically the same:

--8<---------------cut here---------------start------------->8---
$ diff -r /gnu/store/mbvwb1pv8ps0l39gil41g4zj3khx3r8p-profile /gnu/store/qfpmx9rz7kxa8w8r2pz4vj8ilbi70dcp-profile
diff -r /gnu/store/mbvwb1pv8ps0l39gil41g4zj3khx3r8p-profile/etc/profile /gnu/store/qfpmx9rz7kxa8w8r2pz4vj8ilbi70dcp-profile/etc/profile
11c11
< export PATH="${GUIX_PROFILE:-/gnu/store/mbvwb1pv8ps0l39gil41g4zj3khx3r8p-profile}/bin${PATH:+:}$PATH"
---
> export PATH="${GUIX_PROFILE:-/gnu/store/qfpmx9rz7kxa8w8r2pz4vj8ilbi70dcp-profile}/bin${PATH:+:}$PATH"
[1] marusich <at> garuda.local:/tmp/tmp.ZOTdkBr4rD
$ 
--8<---------------cut here---------------end--------------->8---

Now, this isn't really a problem, since it isn't wasting space, and it
doesn't take long to build.  It's more of a curiosity.  Why is it that
profile generations 1 and 3 don't both point to the same profile in the
store?  Is this expected behavior?

I wasn't sure what would happen when I tried this.  I had guessed
(incorrectly) that generation 3 would point to the same profile that had
been built for generation 1, so I was a little surprised by this.

-- 
Chris

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From: Ricardo Wurmus <rekado <at> elephly.net>
To: Chris Marusich <cmmarusich <at> gmail.com>
Cc: 33285-done <at> debbugs.gnu.org
Subject: Re: bug#33285: Installing, then removing,
 a package yields a different profile
Date: Tue, 12 Mar 2019 12:58:59 +0100

Chris Marusich <cmmarusich <at> gmail.com> writes:

> Thinking about it that way, I agree it makes sense as is.  I think it's
> valid to say this isn't a bug, then.

Okay, I’m closing this bug.
Thanks for bringing this up!

-- 
Ricardo

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