nix/system/Nix.nix

38 lines
1 KiB
Nix

{ ... }:
{
# Allow installation of proprietary software.
nixpkgs.config.allowUnfree = true;
nix.settings = {
# Deduplicate store automatically. Slows down switches a bit, but saves space.
auto-optimise-store = true;
# Allow use of flakes.
experimental-features = [
"nix-command "
"flakes"
];
# When running GC, keep .drv files.
keep-derivations = true;
# When running GC, keep build dependencies.
keep-outputs = true;
# Run GC automatically when there's a less free space than specified.
min-free = 1 * 1000 * 1000 * 1000;
};
# NOTE: Currently I run GC completely, but this setting (put above near min-free)
# can stop GC when you hit 101 GB of free space available.
# max-free = ${toString 101 * 1024 * 1024 * 1024}
# NOTE: Enable this if you want to run GC on schedule. I instead use `min-free`.
# nix.gc = {
# automatic = true;
# dates = "weekly";
# options = "--delete-older-than 30d";
# persistent = true;
# };
}