[Discuss] --sandbox switch for Ubuntu's do-release-upgrade/update-manager

[smallm at panix.com (Mike Small)]

Tom Metro <tmetro+blu at gmail.com> writes:

> I was looking to do a "dry run" test with do-release-upgrade to see if a
> system could successfully be upgraded from 12.04 to 14.04 after some
> changes had been made. (An earlier attempted failed to map packages from
> the old release to the new release.)
...
> test without even writing to the file system.) What I care about is how
> badly will my alternate desktop manager be broken after an upgrade.

This is what Nix (and Guix) is supposed to provide, but designed in from
the start.

http://nixos.org/nix/
https://www.gnu.org/software/guix/manual/html_node/Introduction.html#Introduction


-- 
Mike Small
smallm at panix.com