Your system generations are under /nix/var/nix/profiles.
You can `rm -i $(cd /nix/var/nix/profiles; ls *-link -1dtr | head -n -<#
of versions to to keep> | grep -v $(readlink system) | xargs realpath
-s)` :-)
and then do a normal gc.
-- Layus.
On 30/03/17 15:42, Azul wrote:
Hi there,
I would like to cleanup my oldest 'n' nix generations.
nix-collect-garbage seems to only provide me with a older than 'n'
days option.
Any quick hacks to clean everything but keep my recent 'n' generations ?
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