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Re: Seeking guidance regarding system roll-back and switch-generation

From: Tobias Geerinckx-Rice
Subject: Re: Seeking guidance regarding system roll-back and switch-generation
Date: Sun, 17 Jul 2016 17:27:15 +0200
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Ahoy Chris,

Just one aside, for context:

(And to softly nudge people into the right™ direction of activation
scripts, of course. ;-)

On 2016-07-17 11:22, Chris Marusich wrote:
However, it may not be necessary to generate a "switch-to-configuration"
script at all.  Instead, what if we just stored the operating system
configuration file in a well known location within each system

NixOS offers this option. I've forgot the name, because its utility is
so limited, and its main use is to confuse people on IRC.

All it does is copy /etc/nixos/configuration.nix to the store. That's
it. All your imports are now broken, if they pointed to a relative path
that doesn't exist in the store, or impure, if they pointed to an absolute
path that wasn't immutable. This breaks all but the most trivial (or
unmaintainable) set-ups. Even the NixOS installer creates a multi-file
configuration by default.

That no-one has bothered to script a solution probably means something.

Kind regards,


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