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Enable auto-gc and auto-optimise #57

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Feb 25, 2025
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16 changes: 16 additions & 0 deletions modules/common.nix
Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,22 @@
#
# Unstable currently patches curl 8.11.1 to fix one of the netrc bugs that breaks cachix.
nix.package = pkgs.unstable.nixVersions.nix_2_26;
# Run GC every hour
nix.gc = {
automatic = true;
options = "--delete-older-than 30d";
} // lib.optionalAttrs pkgs.stdenv.isLinux {
dates = "*:00";
randomizedDelaySec = "1800";
} // lib.optionalAttrs pkgs.stdenv.isDarwin {
interval = {
Minute = 0;
};
};
# Optimse the store to save disk space.
# Do not auto-optimise on macOS. Too many issues: https://github.com/NixOS/nix/issues/7273
nix.optimise.automatic = pkgs.stdenv.isLinux;
nix.settings.auto-optimise-store = pkgs.stdenv.isLinux;
nix.extraOptions = ''
always-allow-substitutes = true
min-free = ${toString (10 * 1024 * 1024 * 1024)}
Expand Down