nix-config-v2/modules/common/core.nix

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{
pkgs,
lib,
...
}: {
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# enable flakes globally
nix.settings.experimental-features = ["nix-command" "flakes"];
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# Allow unfree packages
nixpkgs.config.allowUnfree = true;
nix.package = pkgs.nix;
# do garbage collection weekly to keep disk usage low
nix.gc = {
automatic = lib.mkDefault true;
options = lib.mkDefault "--delete-older-than 7d";
};
# Disable auto-optimise-store because of this issue:
# https://github.com/NixOS/nix/issues/7273
# "error: cannot link '/nix/store/.tmp-link-xxxxx-xxxxx' to '/nix/store/.links/xxxx': File exists"
nix.settings = {
auto-optimise-store = false;
};
}