dotfiles nix based
See:
- https://www.nmattia.com/posts/2018-03-21-nix-reproducible-setup-linux-macos.html
- https://github.com/nmattia/homies
Installing the package set:
$ nix-env -f default.nix -i --remove-all
Listing the currently installed packages:
$ nix-env -q
Listing the previous and current configurations:
$ nix-env --list-generations
Rolling back to the previous configuration:
$ nix-env --rollback
Deleting old configurations:
$ nix-env --delete-generations [3 4 9 | old | 30d]