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|
{
lib,
pkgs,
...
}: {
personal.nix = {
enable = true;
autoUpgrade = {
enable = true;
autoUpdateInputs = ["nixpkgs" "nixpkgs-unstable"];
};
gc.enable = true;
flake = "git+file:///etc/nixos/";
};
nix.settings.max-jobs = lib.mkDefault 1;
nixpkgs.flake = {
setNixPath = true;
setFlakeRegistry = true;
};
systemd.services.nixos-upgrade = {
# restart at most once every hour
serviceConfig = {
Restart = "on-failure";
RestartSec = "5sec";
MemoryAccounting = true;
MemoryHigh = "1G";
MemoryMax = "1.5G";
};
startLimitBurst = 1;
startLimitIntervalSec = 3600;
preStart = lib.mkAfter ''
echo Dry-building...
drvs=$(${pkgs.nixos-rebuild}/bin/nixos-rebuild dry-build --flake /etc/nixos/ 2>&1 | grep '/nix/store')
for drv in $drvs
do
case $(echo $drv | cut -d'-' -f2) in
gcc | rust | cmake | ghc)
echo Found $drv!
echo Cancelling build: it is likely to be resource-intensive.
echo Here are the derivations that were going to be built, and the paths that were going to be downloaded:
echo $drvs | tr " " "\n"
exit 1
;;
esac
done
echo No resource-intensive building detected, good to go!
'';
};
}
|
